Rustpad - Multi-Threaded Padding Oracle Attacks Against Any Service
2022-1-5 04:30:0 Author: www.kitploit.com(查看原文) 阅读量:10 收藏

A multi-threaded what now?

rustpad is a multi-threaded successor to the classic padbuster, written in Rust. It abuses a Padding Oracle vulnerability to decrypt any cypher text or encrypt arbitrary plain text without knowing the encryption key!

Features

  • Decryption of cypher texts
  • Encryption of arbitrary plain text
  • Multi-threading on both block and byte level
  • Modern, real-time and interactive TUI!
  • No-TTY support, so you can just pipe output to a file
  • Supports Web server oracles...
  • ... and Script-based oracles. For when you need just that extra bit of control.
  • Automated calibration of web oracle's (in)correct padding response
  • Progress bar and automated retries
  • Smart detection of cypher text encoding, supporting: hex, base64, base64url
  • No IV support
  • Written in purely safe Rust, making sure you don't encounter nasty crashes

️

Usage

Using rustpad to attack a padding oracle is easy. It requires only 4 pieces of information to start:

  • target oracle (--oracle)
  • cypher text to decrypt (--decrypt)
  • block size (--block-size)
  • type of oracle (web/script, see below)

Padding Oracle attacks against any service. USAGE: rustpad [OPTIONS] --block-size <block_size> --decrypt <decrypt> --oracle <oracle> <SUBCOMMAND> OPTIONS: -B, --block-size <block_size> Block size used by the cypher [possible values: 8, 16] -D, --decrypt <decrypt> Original cypher text, received from the target service, which is to be decrypted --delay <delay> Delay between requests within a thread, in milliseconds [default: 0] -e, --encoding <encoding> Specify encoding used by the oracle to encode the cypher text [default: auto] [possible values: auto, base64, base64url, hex] -E, --encrypt <encrypt> Plain text to encrypt. Encryption mode requires a cypher text to gather necessary data -h, --help Prints help information --no-cache Disable reading and writing to the cache file -n, --no-iv Cypher text does not include an Initialisation Vector --no-url-encode Disable URL encoding and decoding of cypher text -O, --oracle <oracle> The oracle to question with forged cypher texts. This can be a URL or a shell script. See the subcommands `web --help` and `script --help` respectively for further help. -o, --output <output> File path to which log output will be written -t, --threads <threads> Amount of threads in the thread pool -V, --version Prints version information -v, --verbose Increase verbosity of logging SUBCOMMANDS: web Question a web-based oracle script Question a script-based oracle">

; rustpad --help  rustpad  Multi-threaded Padding Oracle attacks against any service.    USAGE:      rustpad [OPTIONS] --block-size <block_size> --decrypt <decrypt> --oracle <oracle> <SUBCOMMAND>    OPTIONS:      -B, --block-size <block_size>              Block size used by the cypher [possible values: 8, 16]        -D, --decrypt <decrypt>              Original cypher text, received from the target service, which is to be decrypted            --delay <delay>              Delay between requests within a thread, in milliseconds [default: 0]        -e, --encoding <encoding>              Specify encoding used by the oracle to encode the cypher text [default: auto]  [possible values: auto, base64, base64url, hex]        -E, --encrypt <encrypt>              Plain text to encrypt. Encryption mode requires a cypher text to gather necessary data        -h, --help              Prints help information            --no-cache              Disable reading and writing to the cache file        -n, --no-iv              Cypher text does not include an Initialisation Vector            --no-url-encode              Disable URL encoding and decoding of cypher text        -O, --oracle <oracle>              The oracle to question with forged cypher texts. This can be a URL or a shell script.              See the subcommands `web --help` and `script --help` respectively for further help.      -o, --output <output>              File path to which log output will be written        -t, --threads <threads>              Amount of threads in the thread pool        -V, --version              Prints version information        -v, --verbose              Increase verbosity of logging      SUBCOMMANDS:      web       Question a web-based oracle      script    Question a script-based oracle  

Web mode

Web mode specifies that the oracle is located on the web. In other words, the oracle is a web server with a URL.

For a padding oracle attack to succeed, an oracle must say so if a cypher text with incorrect padding was provided. rustpad will analyse the oracle's responses and automatically calibrate itself to the oracle's behaviour.

Credentials to authenticate against the proxy server with [format: <user>:<pass>] -r, --redirect Follow 302 Redirects -t, --threads <threads> Amount of threads in the thread pool -T, --timeout <timeout> Web request timeout in seconds [default: 10] -A, --user-agent <user_agent> User-agent to identify with [default: rustpad/<version>] -v, --verbose Increase verbosity of logging Indicate the cypher text's location! See `--keyword` for clarification.">

; rustpad web --help  rustpad-web  Question a web-based oracle    USAGE:      rustpad --block-size <block_size> --decrypt <decrypt> --oracle <oracle> web [OPTIONS]    OPTIONS:      -c, --consider-body              Consider the response body and content length when determining the web oracle's response to (in)correct padding        -d, --data <data>              Data to send in a POST request            --delay <delay>              Delay between requests within a thread, in milliseconds [default: 0]        -e, --encoding <encoding>              Specify encoding used by the oracle to encode the cypher text [default: auto]  [possible values: auto, base64, base64url, hex]        -h, --help              Prints help information        -H, --header <header>...              HTTP header to send        -k, --insecure              Disable TLS certificate validation        -K, --keyword <keyword>              Keyword indicating the location of the cypher text in the HTTP request. It is replaced by the cypher text's value at runtime [default: CTEXT]            --no-cache              Disable reading and writing to the cache file        -n, --no-iv              Cypher text does not include an Initialisation Vector            --no-url-encode              Disable URL encoding and decoding of cypher text        -o, --output <output>              File path to which log output will be written        -x, --proxy <proxy>              Proxy server to send web requests over. Supports HTTP(S) and SOCKS5            --proxy-credentials <proxy_credentials>              Credentials to authenticate against the proxy server with [format: <user>:<pass>]        -r, --redirect              Follow 302 Redirects        -t, --threads <threads>              Amount of threads in the thread pool        -T, --timeout <timeout>              Web request timeout in seconds [default: 10]        -A, --user-agent <user_agent>              User-agent to identify with [default: rustpad/<version>]        -v, --verbose              Increase verbosity of logging      Indicate the cypher text's location! See `--keyword` for clarification.  

Script mode

Script mode was made for power users or CTF players

‍who were given a script to run. The target oracle is a local shell script.

Scripts allow you to run attacks against local oracles or more exotic services. Or you can use script mode to customise and extend rustpad's features. However, if you're missing a feature, feel free to open an issue on GitHub!

; rustpad script --help  rustpad-script  Question a script-based oracle    USAGE:      rustpad --block-size <block_size> --decrypt <decrypt> --oracle <oracle> script [OPTIONS]    OPTIONS:          --delay <delay>              Delay between requests within a thread, in milliseconds [default: 0]        -e, --encoding <encoding>              Specify encoding used by the oracle to encode the cypher text [default: auto]  [possible values: auto, base64, base64url, hex]        -h, --help              Prints help information            --no-cache              Disable reading and writing to the cache file        -n, --no-iv              Cypher text does not include an Initialisation Vector            --no-url-encode              Disable URL encoding and decoding of cypher text        -o, --output <output>              File path to which log output will be written        -t, --threads <threads>              Amount of threads in the thread pool        -v, --verbose              Increase verbosity of logging      Script must respond with exit code 0 for correct padding, and any other code otherwise. Cypher text is passed as the 1st argument.  

Coming soon

  • tab auto-complete
  • smarter URL parsing
  • advanced calibration: response text should contain "x", time-based
  • automated block size detection
  • improve linux binary's file size
  • .NET URL token encoding?

Rustpad - Multi-Threaded Padding Oracle Attacks Against Any Service Rustpad - Multi-Threaded Padding Oracle Attacks Against Any Service Reviewed by Zion3R on 5:30 PM Rating: 5


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