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SANS Stormcast Tuesday, October 21st, 2025: Syscall() Obfuscation; AWS down; Beijing Time Attack

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Syscall() Obfuscation; AWS down; Beijing Time Attack
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Using Syscall() for Obfuscation/Fileless Activity
Fileless malware written in Python can uses syscall() to create file descriptors in memory, evading signatures.
https://isc.sans.edu/diary/Using%20Syscall%28%29%20for%20Obfuscation%20Fileless%20Activity/32384

AWS Outages
AWS has had issues most of the day on Monday, affecting numerous services.
https://health.aws.amazon.com/health/status

Time Server Hack
China reports a compromise of its time standard servers.
https://thehackernews.com/2025/10/mss-claims-nsa-used-42-cyber-tools-in.html

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