ET MALWARE Win32/Wacatac Ransomware Variant Retrieving File (GET)

Query · suricata

flow:established,to_server;
http.request_line;
content:"GET /decryptor-gui.exe HTTP/1.1"; fast_pattern;
http.referer;
content:"/payment-registration"; endswith;
http.host;
content:".onion"; endswith;
Raw source ET MALWARE Win32/Wacatac Ransomware Variant Retrieving File (GET) · 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 Win32/Wacatac Ransomware Variant Retrieving File (GET)";
    flow:established,to_server;
    http.request_line;
    content:"GET /decryptor-gui.exe HTTP/1.1"; fast_pattern;
    http.referer;
    content:"/payment-registration"; endswith;
    http.host;
    content:".onion"; endswith;
    reference:url,app.any.run/tasks/552daf29-bab5-4065-873c-51542925071c/;
    reference:url,twitter.com/petrovic082/status/1541392264030814212;
    reference:md5,1a209343e0eb93a07c0da41ef5c93ab0;
    classtype:trojan-activity;
    sid:2037129; rev:1;
    metadata:attack_target Client_Endpoint, created_at 2022_06_27, deployment Perimeter, malware_family Win32_Wacatac, confidence High, signature_severity Major, tag Ransomware, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_06_27, mitre_tactic_id TA0040, mitre_tactic_name Impact, mitre_technique_id T1486, mitre_technique_name Data_Encrypted_for_Impact;
)

Detection rules belong to the projects that publish them and remain under their own licenses. This site indexes and links to them; it claims no rights in them.