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DGA.Changer Gets Anti-Detection Upgrade
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Perry Cybereason
100%
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Perry Cybereason,
User Rank: Apprentice
8/11/2015 | 2:52:06 PM
The eternal flaw of one-shot detection methods

When you examine the attack in vitro, it is too easy for the attacker to fool you. The burden of making it work is on you and the attacker only has to choose which escape trick to use. This is especially highlighted when you use a one-shot decision model. If the malware fools you in that specific moment, it is safe to do as it will thereafter.

When you keep your eye open in the full, real environment, at all times, there is no fooling you. Detection is running in situ on the actual behavior patterns of the attacker and these are bound to reveal its true nature.

Cybereason detects the old and new variants of this malware, not by knowing them in particular, but by detecting its true nature in situ. Check out our DGA related blog posts for more details.

RyanSepe
50%
50%
RyanSepe,
User Rank: Ninja
8/11/2015 | 9:03:35 AM
Sandbox Conditional Coding
I'm curious as to what the criteria is for the DGA Changer to set up the fake stream as obviously not all virtual environments are sandboxes. Maybe they don't even risk it and just consider all virtual environments an area to which they do not want to be involved.


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