Advanced Or Not? A Comparative Study Of The Use Of Anti-Debugging And Anti-Vm Techniques In Generic And Targeted Malware
ICT SYSTEMS SECURITY AND PRIVACY PROTECTION, SEC 2016(2016)
摘要
Malware is becoming more and more advanced. As part of the sophistication, malware typically deploys various anti-debugging and anti-VM techniques to prevent detection. While defenders use debuggers and virtualized environment to analyze malware, malware authors developed anti-debugging and anti-VM techniques to evade this defense approach. In this paper, we investigate the use of anti-debugging and anti-VM techniques in modern malware, and compare their presence in 16,246 generic and 1,037 targeted malware samples (APTs). As part of this study we found several counter-intuitive trends. In particular, our study concludes that targeted malware does not use more anti-debugging and anti-VM techniques than generic malware, although targeted malware tend to have a lower antivirus detection rate. Moreover, this paper even identifies a decrease over time of the number of anti-VM techniques used in APTs and the Winwebsec malware family.
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