04 April 2008 | 19,422 views

ProxyStrike – Active Web Application Proxy

Don't let your data go over to the Dark Side!

ProxyStrike is an active Web Application Proxy, is a tool designed to find vulnerabilities while browsing an application. It was created because the problems faced in the pentests of web applications that depends heavily on Javascript, not many web scanners did it good in this stage, so ProxyStrike was born.

Right now it has available SQL injection and XSS modules. Both modules are designed to catch as many vulnerabilities as they can, it’s that why the SQL Injection module is a Python port of the great “SQLibf“.

The process is very simple, ProxyStrike runs like a passive proxy listening in port 8008 by default, so you have to browse the desired web site setting your browser to use ProxyStrike as a proxy, and ProxyStrike will analyze all the paremeters in background mode. For the user is a passive proxy because you won’t see any different in the behaviour of the application, but in the background is very active.


  • HTTP request/response history
  • Request parameter stats
  • Request parameter values stats
  • Request URL parameter signing and header field signing
  • Use of an alternate proxy (tor for example)
  • SQL attacks
  • XSS attacks
  • Export results to HTML or XML
  • Console version (python proxystrike.py -c / proxystrike.exe -c)

You can download ProxyStrike here:

ProxyStrike v1.0 (Windows) (26/03/2008)
ProxyStrike v1.0 (Linux/OSX) (26/03/2008)

Or read more here.


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6 Responses to “ProxyStrike – Active Web Application Proxy”

  1. Raf 5 April 2008 at 1:55 am Permalink

    That’s another great tool. Be careful though, the recent legislation in the UK could make distributing this tool ILLEGAL! That’s just scarry – reference here: http://blog.ivanristic.com/2008/04/changes-to-brit.html

  2. mumble 6 April 2008 at 1:44 pm Permalink

    That was already covered here in great detail. Essentially the community here has decided that not only is this an awful piece of legislation, it’s effectively unenforceable.

    This tool looks decent, but I haven’t dug into it enough to tell whether it has any functionality that webscarab doesn’t.

  3. Bogwitch 7 April 2008 at 11:48 am Permalink

    Amendments to the Computer Misuse Act to allow prosecutions under s3A were due to come in in April this year. Does anyone have any exact date or further information about this?

  4. fever 8 April 2008 at 6:33 pm Permalink

    you might as well make computers themselves illegal. the only way to stop “misuse” is to eliminate “use” altogether.

  5. Laramies 9 April 2008 at 10:15 am Permalink

    The difference with other proxies is that ProxyStrike has a better SQL Injection and XSS engines for the attacks, it detects more vulnerabilities than the others. Hope it helps :)

  6. gtanuel 24 April 2008 at 5:27 am Permalink

    Looks like a good app although I’m not too successful to see how it helps “the problems faced in the pentests of web applications that depends heavily on _Javascript_”, e.g. compared to WebScarab + Proxmon.