DcRAT AMSI Bypass: In-Memory Patching of AmsiOpenSession via VirtualProtect

Ibrahim Saud@tektrix

•updated Jun 27, 2026•0•0•0

Detects specific suspicious executables that load the Antimalware Scan Interface (AMSI) library (amsi.dll). This pattern is often indicative of attempts to disable or bypass AMSI scanning, commonly seen in malicious loaders or tools aimed at evading security monitoring.