Vault7: CIA Hacking Tools Revealed
Avira is a PSPPersonal Security Product (Anti-Virus) vendor headquartered in Tettnang, Germany. Avira has historically been a popular product among CTCounter Terrorism targets, but is typically easy to evade. Similar to F-Secure, Avira has an apparent entropy-based heuristic that flags binaries containing encrypted/compressed payloads, but there are two known defeats.
F-Secure Entropy Defeat (also works against Avira)
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