This blog post is a continuation of my previous post, VB Dropper and Shellcode for Hancitor Reveal New Techniques Behind Uptick, where we analyzed a new Visual Basic (VB) macro dropper and the accompanying shellcode. In the last post, we left off with having successfully identified where the shellcode carved out and decoded a binary
A June 23 FireEye blog post titled “Operation Clandestine Wolf” discussed a cyber espionage group, known as APT3, that had been exploiting a zero-day vulnerability in Adobe Flash. Unit 42 also tracks the APT3 group using the name UPS, which is an intrusion set with Chinese origins that is known for having early access to
Continuing a recent trend in which Internet Explorer vulnerabilities are exploited using Flash, samples of an SWF purportedly used in conjunction with CVE-2014-6332 have appeared in several places. The most famous examples of this trend are the exploits for CVE-2014-0322 and CVE-2014-1776. We have yet to encounter the SWF sample with its original exploit attached,
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