Search Evasion Techniques
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kernel flag inspection via sysctl Anti-Debugging
The sysctl anti-debugging technique can be abused by malware to detect and evade debugging tools on macOS or BSD-like systems. By querying the kernel for process information, malware checks flags (e.g., 0x800) to see if a debugger is attached. If detected, the malware can terminate, alter behavior, or enter a dormant state to avoid analysis.
This technique blends …
Indirect Memory Writing Antivirus/EDR Evasion
In code-injection scenarios, for example, when a loader places a payload into memory for execution, many antimalware engines detect or block malicious activity at the moment the payload bytes are written into the newly allocated executable memory region. Attackers may try to evade such detection by avoiding direct writes to new memory region and instead relying on other, legitimate Windows …