[Mimedefang] Lessons learned...

Ben Kamen bkamen at benjammin.net
Mon May 21 15:25:02 EDT 2007


Kelson wrote:
> Ben Kamen wrote:
>> Turns out, a web script I wrote OH so long ago was being utilized for 
>> sending
>> spam.
> 
> I had a similar experience a couple of years ago.  Fortunately we caught 
> it while they were still just sending probes.  In our case it was a 
> header injection attack.  So I went through and audited all our email 
> scripts to see how well they validated input.

Yep - that's basically what I did. Validate the input better.

>> So it's fixed. The spammer thinks he's still sending spam, but actually,
>> I'm logging all the places he's trying to SPAM along with the message 
>> content.
>>
>> Hmmm... pipe it into SPAM? It's a full email file! hahaha.. 
> 
> Sneaky!

;)

I think they figured it out though since the POSTs to the cgi file have stopped
as of yesterday.

Awwww...

 -Ben



-- 
Ben Kamen - O.D.T., S.P.
=============================================================================
Email: bkamen AT benjammin DOT net              Web: http://www.benjammin.net

As seen somewhere on the net: My other computer is your Windows Server.



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