ET MALWARE Revoyem Ransomware Check-in

Query · suricata

flow:established,to_server;
http.uri;
content:".php?id=";
content:"&os=";
content:"&bot_id="; fast_pattern;
pcre:"/\.php\?id=[a-f0-9]{8}-[a-f0-9]{4}-[a-f0-9]{4}-[a-f0-9]{4}-[a-f0-9]{12}&os=\d\.\d[^&]*&bot_id=/";
Raw source ET MALWARE Revoyem Ransomware Check-in · 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 Revoyem Ransomware Check-in";
    flow:established,to_server;
    http.uri;
    content:".php?id=";
    content:"&os=";
    content:"&bot_id="; fast_pattern;
    pcre:"/\.php\?id=[a-f0-9]{8}-[a-f0-9]{4}-[a-f0-9]{4}-[a-f0-9]{4}-[a-f0-9]{12}&os=\d\.\d[^&]*&bot_id=/";
    reference:url,www.botnets.fr/index.php/Revoyem;
    classtype:trojan-activity;
    sid:2016731; rev:6;
    metadata:attack_target Client_Endpoint, created_at 2013_04_06, deployment Perimeter, signature_severity Major, tag Ransomware, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_09_18, mitre_tactic_id TA0040, mitre_tactic_name Impact, mitre_technique_id T1486, mitre_technique_name Data_Encrypted_for_Impact;
)

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