ET MALWARE Galock Ransomware Check-in

Query · suricata

flow:established,to_server;
http.uri;
content:"&os=";
content:"&hostname=";
content:"&codepage=";
content:"&account";
http.header;
content:"|3a 20|Mozilla/4.1|20|"; fast_pattern;
Raw source ET MALWARE Galock 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 Galock Ransomware Check-in";
    flow:established,to_server;
    http.uri;
    content:"&os=";
    content:"&hostname=";
    content:"&codepage=";
    content:"&account";
    http.header;
    content:"|3a 20|Mozilla/4.1|20|"; fast_pattern;
    reference:url,twitter.com/kafeine/status/314859973064667136/photo/1;
    classtype:trojan-activity;
    sid:2016644; rev:4;
    metadata:attack_target Client_Endpoint, created_at 2013_03_22, deployment Perimeter, signature_severity Major, tag Ransomware, 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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