ET MALWARE Possible Chimera Ransomware - Bitmessage Activity

Query · suricata

flow:established,to_server;
content:"version"; offset:4; depth:7;
content:"Bitmessage|3a|"; distance:0;
Raw source ET MALWARE Possible Chimera Ransomware - Bitmessage Activity · 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 tcp $HOME_NET any -> $EXTERNAL_NET 8080 (
    msg:"ET MALWARE Possible Chimera Ransomware - Bitmessage Activity";
    flow:established,to_server;
    content:"version"; offset:4; depth:7;
    content:"Bitmessage|3a|"; distance:0;
    reference:md5,b66a864255ad796cf1e82f973f67f556;
    reference:url,reaqta.com/2015/11/diving-into-chimera-ransomware/;
    classtype:policy-violation;
    sid:2022075; rev:1;
    metadata:attack_target Client_Endpoint, created_at 2015_11_12, deployment Perimeter, confidence Medium, signature_severity Major, tag Ransomware, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26, mitre_tactic_id TA0040, mitre_tactic_name Impact, mitre_technique_id T1486, mitre_technique_name Data_Encrypted_for_Impact;
)

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