ET MALWARE SilentSync-RAT CnC Tasking response

Query · suricata

flow:established,to_server;
http.method;
content:"POST";
http.uri; bsize:10;
content:"/respuesta"; fast_pattern;
http.user_agent;
content:"python-requests/"; startswith;
http.request_body;
content:"salida="; startswith;
Raw source ET MALWARE SilentSync-RAT CnC Tasking response · Suricata
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Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert http $HOME_NET any -> $EXTERNAL_NET any (
    msg:"ET MALWARE SilentSync-RAT CnC Tasking response";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.uri; bsize:10;
    content:"/respuesta"; fast_pattern;
    http.user_agent;
    content:"python-requests/"; startswith;
    http.request_body;
    content:"salida="; startswith;
    reference:url,www.zscaler.com/blogs/security-research/malicious-pypi-packages-deliver-silentsync-rat;
    classtype:trojan-activity;
    sid:2065805; 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;
)

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