Rule History

alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE SilentSync-RAT CnC file tasking request"; flow:established,to_server; http.method; content:"POST"; http.uri; bsize:8; content:"/archivo"; fast_pattern; http.user_agent; content:"python-requests/"; startswith; http.request_body; content:"file="; startswith; reference:url,www.zscaler.com/blogs/security-research/malicious-pypi-packages-deliver-silentsync-rat; classtype:trojan-activity; sid:2065806; rev:1; metadata:created_at 2025_11_18, signature_severity Unknown, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2025_11_18;)