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chaos

chaos is an 'origin' IP scanner developed by RST in collaboration with ChatGPT. It is a niche utility with an intended audience of mostly penetration testers and bug hunters.

An origin-IP is a term-of-art expression describing the final public IP destination for websites that are publicly served via 3rd parties. If you'd like to understand more about why anyone might be interested in Origin-IPs, please check out our blog post.

chaos was rapidly prototyped from idea to functional proof-of-concept in less than 24 hours using our principles of DevOps with ChatGPT.

usage: chaos.py [-h] -f FQDN -i IP [-a AGENT] [-C] [-D] [-j JITTER] [-o OUTPUT] [-p PORTS] [-P] [-r] [-s SLEEP] [-t TIMEOUT] [-T] [-v] [-x] 
         _..._
     .-'`     `'-.
   __|___________|__ 
   \               /
    `._  CHAOS _.'
       `-------`
         /   \\
        /     \\
       /       \\
      /         \\
     /           \\
    /             \\
   /               \\
  /                 \\
 /                   \\
/_____________________\\
CHAtgpt Origin-ip Scanner
 _______ _______ _______ _______ _______
|\\     /|\\     /|\\     /|\\     /|\\/|
| +---+ | +---+ | +---+ | +---+ | +---+ |
| |H  | | |U  | | |M  | | |A  | | |N  | |
| |U  | | |S  | | |A  | | |N  | | |C  | |
| |M  | | |E  | | |N  | | |D  | | |O  | |
| |A  | | |R  | | |C  | | |   | | |L  | |
| +---+ | +---+ | +---+ | +---+ | +---+ |
|/_____|\\_____|\\_____|\\_____|\\_____\\

 Origin IP Scanner developed with ChatGPT
 cha*os (n): complete disorder and confusion
 (ver: 0.9.4)

v94_csv

Features

  • Threaded for performance gains
  • Real-time status updates and progress bars, nice for large scans ;)
  • Flexible user options for various scenarios & constraints
  • Dataset reduction for improved scan times
  • Easy to use CSV output

Installation

  1. Download / clone / unzip / whatever
  2. cd path/to/chaos
  3. pip3 install -U pip setuptools virtualenv
  4. virtualenv env
  5. source env/bin/activate
  6. (env) pip3 install -U -r ./requirements.txt
  7. (env) ./chaos.py -h

Options

-h, --help            show this help message and exit
-f FQDN, --fqdn FQDN  Path to FQDN file (one FQDN per line)
-i IP, --ip IP        IP address(es) for HTTP requests (Comma-separated IPs, IP networks, and/or files with IP/network per line)
-a AGENT, --agent AGENT
                      User-Agent header value for requests
-C, --csv             Append CSV output to OUTPUT_FILE.csv
-D, --dns             Perform fwd/rev DNS lookups on FQDN/IP values prior to request; no impact to testing queue
-j JITTER, --jitter JITTER
                      Add a 0-N second randomized delay to the sleep value
-o OUTPUT, --output OUTPUT
                      Append console output to FILE
-p PORTS, --ports PORTS
                      Comma-separated list of TCP ports to use (default: "80,443")
-P, --no-prep         Do not pre-scan each IP/port with `GET /` using `Host: {IP:Port}` header to eliminate unresponsive hosts
-r, --randomize       Randomize(ish) the order IPs/ports are tested
-s SLEEP, --sleep SLEEP
                      Add N seconds before thread completes
-t TIMEOUT, --timeout TIMEOUT
                      Wait N seconds for an unresponsive host
-T, --test            Test-mode; don't send requests
-v, --verbose         Enable verbose output
-x, --singlethread    Single threaded execution; for 1-2 core systems; default threads=(cores-1) if cores>2

Examples

Localhost Testing

Launch python HTTP server

% python3 -u -m http.server 8001
Serving HTTP on :: port 8001 (http://[::]:8001/) ...

Launch ncat as HTTP on a port detected as SSL; use a loop because --keep-open can hang

% while true; do ncat -lvp 8443 -c 'printf "HTTP/1.0 204 Plaintext OK\n\n<html></html>\n"'; done
Ncat: Version 7.94 ( https://nmap.org/ncat )
Ncat: Listening on [::]:8443
Ncat: Listening on 0.0.0.0:8443

Also launch ncat as SSL on a port that will default to HTTP detection

% while true; do ncat --ssl -lvp 8444 -c 'printf "HTTP/1.0 202 OK\n\n<html></html>\n"'; done    
Ncat: Version 7.94 ( https://nmap.org/ncat )
Ncat: Generating a temporary 2048-bit RSA key. Use --ssl-key and --ssl-cert to use a permanent one.
Ncat: SHA-1 fingerprint: 0208 1991 FA0D 65F0 608A 9DAB A793 78CB A6EC 27B8
Ncat: Listening on [::]:8444
Ncat: Listening on 0.0.0.0:8444

Prepare an FQDN file:

% cat ../test_localhost_fqdn.txt 
www.example.com
localhost.example.com
localhost.local
localhost
notreally.arealdomain

Prepare an IP file / list:

% cat ../test_localhost_ips.txt 
127.0.0.1
127.0.0.0/29
not_an_ip_addr
-6.a
=4.2
::1

Run the scan

  • Note an IPv6 network added to IPs on the CLI
  • -p to specify the ports we are listening on
  • -x for single threaded run to give our ncat servers time to restart
  • -s0.2 short sleep for our ncat servers to restart
  • -t1 to timeout after 1 second

test_local

% ./chaos.py -f ../test_localhost_fqdn.txt -i ../test_localhost_ips.txt,::1/126 -p 8001,8443,8444 -x -s0.2 -t1   
2023-06-21 12:48:33 [WARN] Ignoring invalid FQDN value: localhost.local
2023-06-21 12:48:33 [WARN] Ignoring invalid FQDN value: localhost
2023-06-21 12:48:33 [WARN] Ignoring invalid FQDN value: notreally.arealdomain
2023-06-21 12:48:33 [WARN] Error: invalid IP address or CIDR block =4.2
2023-06-21 12:48:33 [WARN] Error: invalid IP address or CIDR block -6.a
2023-06-21 12:48:33 [WARN] Error: invalid IP address or CIDR block not_an_ip_addr
2023-06-21 12:48:33 [INFO] * ---- <META> ---- *
2023-06-21 12:48:33 [INFO] * Version: 0.9.4
2023-06-21 12:48:33 [INFO] * FQDN file: ../test_localhost_fqdn.txt
2023-06-21 12:48:33 [INFO] * FQDNs loaded: ['www.example.com', 'localhost.example.com']
2023-06-21 12:48:33 [INFO] * IP input value(s): ../test_localhost_ips.txt,::1/126
2023-06-21 12:48:33 [INFO] * Addresses parsed from IP inputs: 12
2023-06-21 12:48:33 [INFO] * Port(s): 8001,8443,8444
2023-06-21 12:48:33 [INFO] * Thread(s): 1
2023-06-21 12:48:33 [INFO] * Sleep value: 0.2
2023-06-21 12:48:33 [INFO] * Timeout: 1.0
2023-06-21 12:48:33 [INFO] * User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/98.0.4758.80 Safari/537.36 ch4*0s/0.9.4
2023-06-21 12:48:33 [INFO] * ---- </META> ---- *
2023-06-21 12:48:33 [INFO] 36 unique address/port addresses for testing
Prep Tests: 100%|████████████████████████████████████████████████████████████████████████████████████████████████████████████████████████████████████████████████| 36/36 [00:29<00:00,  1.20it/s]
2023-06-21 12:49:03 [INFO] 9 IP/ports verified, reducing test dataset from 72 entries
2023-06-21 12:49:03 [INFO] 18 pending tests remain after pre-testing
2023-06-21 12:49:03 [INFO] Queuing 18 threads
  ++RCVD++ (200 OK) www.example.com @ :::8001                                                                                                                                                    
  ++RCVD++ (204 Plaintext OK) www.example.com @ :::8443                                                                                                                                          
  ++RCVD++ (202 OK) www.example.com @ :::8444                                                                                                                                                    
  ++RCVD++ (200 OK) www.example.com @ ::1:8001                                                                                                                                                   
  ++RCVD++ (204 Plaintext OK) www.example.com @ ::1:8443                                                                                                                                         
  ++RCVD++ (202 OK) www.example.com @ ::1:8444                                                                                                                                                   
  ++RCVD++ (200 OK) www.example.com @ 127.0.0.1:8001                                                                                                                                             
  ++RCVD++ (204 Plaintext OK) www.example.com @ 127.0.0.1:8443                                                                                                                                   
  ++RCVD++ (202 OK) www.example.com @ 127.0.0.1:8444                                                                                                                                             
  ++RCVD++ (200 OK) localhost.example.com @ :::8001                                                                                                                                              
  ++RCVD++ (204 Plaintext OK) localhost.example.com @ :::8443                                                                                                                                    
  ++RCVD++ (202 OK) localhost.example.com @ :::8444                                                                                                                                              
  ++RCVD++ (200 OK) localhost.example.com @ ::1:8001                                                                                                                                             
  ++RCVD++ (204 Plaintext OK) localhost.example.com @ ::1:8443                                                                                                                                   
  ++RCVD++ (202 OK) localhost.example.com @ ::1:8444                                                                                                                                             
  ++RCVD++ (200 OK) localhost.example.com @ 127.0.0.1:8001                                                                                                                                       
  ++RCVD++ (204 Plaintext OK) localhost.example.com @ 127.0.0.1:8443                                                                                                                             
  ++RCVD++ (202 OK) localhost.example.com @ 127.0.0.1:8444                                                                                                                                       
Origin Scan: 100%|███████████████████████████████████████████████████████████████████████████████████████████████████████████████████████████████████████████████| 18/18 [00:06<00:00,  2.76it/s]
2023-06-21 12:49:09 [RSLT] Results from 5 FQDNs:
  ::1
    ::1:8444 => (202 / OK)
    ::1:8443 => (204 / Plaintext OK)
    ::1:8001 => (200 / OK)

  127.0.0.1
    127.0.0.1:8001 => (200 / OK)
    127.0.0.1:8443 => (204 / Plaintext OK)
    127.0.0.1:8444 => (202 / OK)

  ::
    :::8001 => (200 / OK)
    :::8443 => (204 / Plaintext OK)
    :::8444 => (202 / OK)

  www.example.com
    :::8001 => (200 / OK)
    :::8443 => (204 / Plaintext OK)
    :::8444 => (202 / OK)
    ::1:8001 => (200 / OK)
    ::1:8443 => (204 / Plaintext OK)
    ::1:8444 => (202 / OK)
    127.0.0.1:8001 => (200 / OK)
    127.0.0.1:8443 => (204 / Plaintext OK)
    127.0.0.1:8444 => (202 / OK)

  localhost.example.com
    :::8001 => (200 / OK)
    :::8443 => (204 / Plaintext OK)
    :::8444 => (202 / OK)
    ::1:8001 => (200 / OK)
    ::1:8443 => (204 / Plaintext OK)
    ::1:8444 => (202 / OK)
    127.0.0.1:8001 => (200 / OK)
    127.0.0.1:8443 => (204 / Plaintext OK)
    127.0.0.1:8444 => (202 / OK)


rst@r57 chaos %

Test & Verbose localhost

-T runs in test mode (do everything except send requests)

-v verbose option provides additional output

test_local_verbose

Known Defects

  • HTTP/HTTPS detection is not ideal
  • Need option to adjust CSV newline delimiter
  • Need options to adjust where long strings / many lines are truncated
  • Try to figure out why we marked requests v2.x as required ;)
  • Options for very-verbose / quiet
  • Stagger thread launch when we're using sleep / jitter
  • Search for meta-refresh in 200 responses
  • Content-Location header for 201s ?
  • Improve thread name generation so we have the right number of unique names
  • Sanity check on IPv6 netmasks to prevent scans that outlive the sun?
  • TBD?

Related Links

Disclaimers

  • Copyright (C) 2023 RST
  • This software is distributed on an "AS IS" basis, without express or implied warranties of any kind
  • This software is intended for research and/or authorized testing; it is your responsibility to ensure you are authorized to use this software in any way
  • By using this software you acknowledge that you are responsible for your actions and assume all liability for any direct, indirect, or other damages