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;
)