ET MALWARE DecryptmyFiles Ransomware CnC (POST)

Query · suricata

flow:established,to_server;
http.method;
content:"POST";
http.host;
content:"decryptmyfiles.top"; bsize:18; fast_pattern;
Raw source ET MALWARE DecryptmyFiles Ransomware CnC (POST) · 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 DecryptmyFiles Ransomware CnC (POST)";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.host;
    content:"decryptmyfiles.top"; bsize:18; fast_pattern;
    reference:md5,0e61e496fc218c1c6dc1f5640a3ac7e5;
    classtype:command-and-control;
    sid:2032994; rev:1;
    metadata:attack_target Client_Endpoint, created_at 2021_05_18, deployment Perimeter, confidence High, signature_severity Major, tag Ransomware, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2021_05_18, mitre_tactic_id TA0040, mitre_tactic_name Impact, mitre_technique_id T1486, mitre_technique_name Data_Encrypted_for_Impact;
)

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