In this video we'll be exploring how to attack, detect and defend against Execution Guardrails & Environmental Keying. These techniques allow an attacker to write stealthy malware which only triggers on specificallyintended target victim machines so as to try and avoid detection, or to fustrate analysis within a sandbox.

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Further reading/watching:
Mitre ATT&CK on Execution Guardrails: https://attack.mitre.org/techniques/T...
Mitre ATT&CK on Environmental Keying: https://attack.mitre.org/techniques/T...
SANS Holiday Hack 2018: https://holidayhackchallenge.com/2018/
Ransomware Recovery Challenge Solution:    • Holiday Hack 2018  10/11  KringleCo...  
Symantec Paper on Stuxnet: https://web.archive.org/web/*/http://...

Audio Credits (licensed under CC0):
Intro/Outro Music by Flavio Concini (https://freesound.org/people/Greek555/)
Transition audio: "Ethereal Woosh" by Newagesoup (https://freesound.org/people/newagesoup/)

Graphics credits:
Icons: Sketchy Collection by Ralf Schmitzer, licensed under CCBY (https://thenounproject.com/ralfschmit...)

Timestamps:
0:00 Intro
1:19 Attack
2:16 Detect
6:21 Defend