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Using Syscall() for Obfuscation/Fileless Activity, (Mon, Oct 20th)

published on 2025-10-20 06:33:55 UTC by
Content:
I found another piece of malware this weekend. This one looks more like a proof-of-concept because the second-stage payload is really "simple", but it attracted my attention because it uses a nice technique to obfuscate the code.
Article: Using Syscall() for Obfuscation/Fileless Activity, (Mon, Oct 20th) - published about 11 hours ago.

https://isc.sans.edu/diary/rss/32384   
Published: 2025 10 20 06:33:55
Received: 2025 10 20 06:36:45
Feed: SANS Internet Storm Center, InfoCON: green
Source: SANS Internet Storm Center, InfoCON: green
Category: Alerts
Topic: Vulnerabilities
Views: 6

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