ET MALWARE Galock Ransomware Command

Query · suricata

flow:established,from_server;
file_data;
content:"[LOCK]"; within:6; endswith;
Raw source ET MALWARE Galock Ransomware Command · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert http $EXTERNAL_NET any -> $HOME_NET any (
    msg:"ET MALWARE Galock Ransomware Command";
    flow:established,from_server;
    file_data;
    content:"[LOCK]"; within:6; endswith;
    reference:url,twitter.com/kafeine/status/314859973064667136/photo/1;
    classtype:trojan-activity;
    sid:2016645; rev:3;
    metadata:attack_target Client_Endpoint, created_at 2013_03_22, deployment Perimeter, signature_severity Major, tag Ransomware, updated_at 2019_09_28, mitre_tactic_id TA0040, mitre_tactic_name Impact, mitre_technique_id T1486, mitre_technique_name Data_Encrypted_for_Impact;
)

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