"Skype" Trojan analysis

Friday, 5 January 2007, 12:06 AM EST

This trojan uses interesting techniques such as encrypted data, obfuscated function loading, delta based data addressing (for injected code), its own IAT-like array that get injected into the remote processes, the offsets made up to call various subfunctions (no direct cross references), the download of payloads from a remote website for execution on the heap, and etc.

The file was protected with "NTkrnl Secure Suite", a commercial protection system using anti-cracking techniques, polymorphic engines, and other interesting features.

At the Websense blog.

[ Read more ]




Spotlight

Bash Shellshock bug: More attacks, more patches

Posted on 29 September 2014.  |  As vendors scramble to issue patches for the GNU Bash Shellshock bug and companies rush to implement them, attackers around the world are probing systems for the hole it opens.


Weekly newsletter

Reading our newsletter every Monday will keep you up-to-date with security news.
  



Daily digest

Receive a daily digest of the latest security news.
  

DON'T
MISS

Tue, Sep 30th
    COPYRIGHT 1998-2014 BY HELP NET SECURITY.   // READ OUR PRIVACY POLICY // ABOUT US // ADVERTISE //