Auditing Tool Shell Vulnerability Scanner

Shocker – A tool to find and exploit servers vulnerable to Shellshock

Shocker is a tool to find and exploit servers vulnerable to Shellshock
Released as open source by NCC Group Plc –
Developed By: Tom Watson, tom [dot] watson [at] nccgroup [dot] trust
Help Text
-h, --help show this help message and exit
--Host HOST, -H HOST A target hostname or IP address
--file FILE, -f FILE File containing a list of targets
--port PORT, -p PORT The target port number (default=80)
--exploit EXPLOIT, -e EXPLOIT Command to execute (default=/bin/uname -a)
--cgi CGI, -c CGI Single CGI to check (e.g. /cgi-bin/test.cgi)
--proxy PROXY A BIT BROKEN RIGHT NOW Proxy to be used in the form 'ip:port'
--ssl, -s Use SSL (default=False)
--threads THREADS, -t THREADS Maximum number of threads (default=10, max=100)
--verbose, -v Be verbose in output

Usage Examples

./ -H -e "/bin/cat /etc/passwd" -c /cgi-bin/test.cgi

Scans for and, if found, attempts to cat /etc/passwd

./ -H -p 8001 -s

Scan on port 8001 using SSL for all scripts in cgi_list and attempts the default exploit for any found

./ -f ./hostlist

Scans all hosts listed in the file ./hostlist with the default options
Python 2.7+

  • Identify and respond correctly to HTTP/200 response – false positives – Low priority/hassle
  • Implement curses for *nix systems – For the whole application or only psuedo terminal? – Low priority/prettiness.
  • Thread the initial host check now that multiple targets are supported (and could be make this bit time consuming)
  • Change verbose to integer value – quiet, normal, verbose, debug?
  • Add option to skip initial host checks for the sake of speed?
  • Add a summary of results before exiting
  • Save results to a file? Format?
  • Eventually the idea is to include multiple possible vectors but currently only one is checked.
  • Add Windows and *nix colour support – Low priority/prettiness
  • Add a timeout in interactive mode for commands which don’t return, e.g. /bin/cat /dev/zero
  • Prettify – Low priority/pretinness (obviously)
  • Add support for scanning and explointing SSH and SMTP
  • Add SOCKS proxy support, potentially using from Rober Picard
  • Other stuff. Probably.

Download Shocker at Github

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