ET MALWARE SLOTHFULMEDIA RAT CnC (POST)

Query · suricata

flow:established,to_server;
http.method;
content:"POST";
http.uri;
content:"/v?m="; startswith; fast_pattern;
content:"&i="; distance:0;
http.accept;
content:"application/octet-stream,application/xhtml"; bsize:42;
Raw source ET MALWARE SLOTHFULMEDIA RAT CnC (POST) · 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 SLOTHFULMEDIA RAT CnC (POST)";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.uri;
    content:"/v?m="; startswith; fast_pattern;
    content:"&i="; distance:0;
    http.accept;
    content:"application/octet-stream,application/xhtml"; bsize:42;
    reference:url,us-cert.cisa.gov/ncas/analysis-reports/ar20-275a;
    reference:md5,448838b2a60484ee78c2198f2c0c9c85;
    classtype:command-and-control;
    sid:2030960; rev:1;
    metadata:attack_target Client_Endpoint, created_at 2020_10_01, deployment Perimeter, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_10_01;
)

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