ET MALWARE ZeitLoader Payload Retrieval attempt

Query · suricata

flow:established,to_server;
http.method;
content:"GET";
http.user_agent; bsize:8;
content:"work|2f|1|2e|0"; fast_pattern;
Raw source ET MALWARE ZeitLoader Payload Retrieval attempt · 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 ZeitLoader Payload Retrieval attempt";
    flow:established,to_server;
    http.method;
    content:"GET";
    http.user_agent; bsize:8;
    content:"work|2f|1|2e|0"; fast_pattern;
    reference:md5,eb5bd49b6eef60ff85892ef7c8015b01;
    classtype:trojan-activity;
    sid:2066361; 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_12_18, deployment Perimeter, malware_family ZeitLoader, performance_impact Low, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2025_12_18, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1105, mitre_technique_name Ingress_Tool_Transfer;
)

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