ET MALWARE Crpx0 Ransomware Payload Request M2

Query · suricata

flow:established,to_server;
http.method;
content:"GET";
http.uri;
content:"/finderx.zip"; fast_pattern;
http.user_agent;
content:"curl"; startswith;
target:src_ip;
Raw source ET MALWARE Crpx0 Ransomware Payload Request M2 · 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 Crpx0 Ransomware Payload Request M2";
    flow:established,to_server;
    http.method;
    content:"GET";
    http.uri;
    content:"/finderx.zip"; fast_pattern;
    http.user_agent;
    content:"curl"; startswith;
    classtype:trojan-activity;
    sid:2068504; rev:1;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, tls_state plaintext, created_at 2026_04_01, deployment Perimeter, malware_family Crpx0, confidence High, signature_severity Major, updated_at 2026_04_01, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1105, mitre_technique_name Ingress_Tool_Transfer;
    target:src_ip;
)

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