ET RETIRED Win32/HackTool.Agent.CS SMTP Scanner CnC Checkin

Query · suricata

flow:established,to_server;
http.method;
content:"GET";
http.uri;
content:"/ssa/scan.php"; fast_pattern;
http.header_names;
content:!"Referer";
Raw source ET RETIRED Win32/HackTool.Agent.CS SMTP Scanner CnC Checkin · 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 RETIRED Win32/HackTool.Agent.CS SMTP Scanner CnC Checkin";
    flow:established,to_server;
    http.method;
    content:"GET";
    http.uri;
    content:"/ssa/scan.php"; fast_pattern;
    http.header_names;
    content:!"Referer";
    classtype:trojan-activity;
    sid:2037754; rev:2;
    metadata:attack_target SMTP_Server, created_at 2022_07_13, deployment Perimeter, former_category MALWARE, malware_family Win32_HackTool_Agent_CS, performance_impact Low, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_09_17, reviewed_at 2024_09_17;
)

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