Versions (2)
Version DetailsCurrent
Rev: 1 • Nov 18, 2025, 12:00 PMET MALWARE SilentSync-RAT CNC Checkin
alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE SilentSync-RAT CNC Checkin"; flow:established,to_server; http.method; content:"GET"; http.uri; bsize:8; content:"/checkin"; fast_pattern; http.user_agent; content:"python-requests/"; startswith; reference:url,www.zscaler.com/blogs/security-research/malicious-pypi-packages-deliver-silentsync-rat; classtype:trojan-activity; sid:2065803; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, affected_product Mac_OSX, affected_product Linux, affected_product Windows_11, attack_target Client_Endpoint, created_at 2025_11_18, deployment Perimeter, signature_severity Major, tag RAT, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2025_11_18;)
Nov 18, 2025, 12:00 PM
Nov 18, 2025, 12:00 PM
Nov 18, 2025, 10:34 PM
Nov 20, 2025, 12:34 AM
rules/emerging-malware.rules