Antianalysis Cor Profiler Isdebuggerpresent Failfast

Duo Tech@duotech

•updated Jul 21, 2026•0•0•0

Detects .NET binaries checking COR_PROFILER env var and IsDebuggerPresent, then calling FailFast to terminate under monitoring, as observed in the Stealth Falcon CURP/DlrtyGames stealer chain