ET MALWARE Win32/CollectorStealer CnC Exfil M3

Query · suricata

flow:established,to_server;
http.method;
content:"POST";
http.uri;
content:".php"; endswith;
http.header;
content:"Content-Type|3a 20|multipart/form-data|3b 20|boundary=SendFileZIPBoundary|0d 0a|"; depth:65;
http.user_agent;
content:"uploader"; depth:8; endswith;
http.request_body;
content:"form-data|3b 20|name=|22|fileToUpload|22 3b 20|filename=|22|zipfile.zip"; fast_pattern;
Raw source ET MALWARE Win32/CollectorStealer CnC Exfil M3 · Suricata
Esc
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 Win32/CollectorStealer CnC Exfil M3";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.uri;
    content:".php"; endswith;
    http.header;
    content:"Content-Type|3a 20|multipart/form-data|3b 20|boundary=SendFileZIPBoundary|0d 0a|"; depth:65;
    http.user_agent;
    content:"uploader"; depth:8; endswith;
    http.request_body;
    content:"form-data|3b 20|name=|22|fileToUpload|22 3b 20|filename=|22|zipfile.zip"; fast_pattern;
    reference:md5,fe15986992ef7dd209047deec2851e2e;
    classtype:command-and-control;
    sid:2034324; rev:2;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2020_07_27, deployment Perimeter, malware_family CollectorStealer, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_07_27;
)

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