Steganographic loader char-code obfuscated PowerShell dropped to %TEMP% with hidden window

Ibrahim Saud@tektrix

•updated Jun 24, 2026•1•0•6

Detects the execution of PowerShell scripts from the Windows Temp directory using common evasion flags (-NoProfile, -ExecutionPolicy Bypass, -WindowStyle Hidden). This pattern is consistent with loaders attempting to maintain persistence while obfuscating their execution context, specifically associated with steganographic malware campaigns.