ET MALWARE JS/FatturaPDF CnC Checkin (GET)

Query · suricata

flow:established,to_server;
http.method;
content:"GET";
http.uri;
content:"|2e|php|3f|s|3d|";
pcre:"/^(?:[a-z0-9]{8}\x2d)(?:[a-z0-9]{4}\x2d)(?:[a-z0-9]{4}\x2d)(?:[a-z0-9]{4}\x2d)(?:[a-z0-9]{12})$/R";
http.user_agent;
content:"WindowsPowerShell"; fast_pattern;
target:src_ip;
Raw source ET MALWARE JS/FatturaPDF CnC Checkin (GET) · 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 -> $EXTERNAL_NET any (
    msg:"ET MALWARE JS/FatturaPDF CnC Checkin (GET)";
    flow:established,to_server;
    http.method;
    content:"GET";
    http.uri;
    content:"|2e|php|3f|s|3d|";
    pcre:"/^(?:[a-z0-9]{8}\x2d)(?:[a-z0-9]{4}\x2d)(?:[a-z0-9]{4}\x2d)(?:[a-z0-9]{4}\x2d)(?:[a-z0-9]{12})$/R";
    http.user_agent;
    content:"WindowsPowerShell"; fast_pattern;
    reference:md5,a69f4744a2247f2b0a61f488407d36c1;
    classtype:trojan-activity;
    sid:2065044; rev:1;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, tls_state plaintext, created_at 2025_10_03, deployment Perimeter, confidence Medium, signature_severity Major, tag c2, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2025_10_03, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1071, mitre_technique_name Application_Layer_Protocol;
    target:src_ip;
)

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