Stegware in Modern Cyber Attacks
Threat actors increasingly embed PowerShell scripts, base64-encoded shellcode, and secondary download URLs inside social media profile pictures to bypass perimeter web filters.
Because the container is a fully valid PNG or JPEG file, standard antivirus gateways frequently pass the image through without inspection.
Steganographic inspection and strings extraction allow blue teams to surface embedded script payloads without executing untrusted files.