ET MALWARE Miniduke Variant CnC Beacon via WebDAV

Query · suricata

flow:established,to_server;
http.uri;
content:"/catalog/outgoing"; fast_pattern;
http.user_agent;
content:"Microsoft-WebDAV-MiniRedir/"; startswith;
Raw source ET MALWARE Miniduke Variant CnC Beacon via WebDAV · 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 Miniduke Variant CnC Beacon via WebDAV";
    flow:established,to_server;
    http.uri;
    content:"/catalog/outgoing"; fast_pattern;
    http.user_agent;
    content:"Microsoft-WebDAV-MiniRedir/"; startswith;
    reference:md5,f3459924f8b657359cb0bd0984a1d0fa;
    reference:url,www.us-cert.gov/security-publications/GRIZZLY-STEPPE-Russian-Malicious-Cyber-Activity;
    classtype:targeted-activity;
    sid:2023930; rev:4;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2017_02_16, deployment Perimeter, malware_family APT29_MiniDuke, confidence High, signature_severity Major, tag c2, updated_at 2020_10_08, mitre_tactic_id TA0010, mitre_tactic_name Exfiltration, mitre_technique_id T1041, mitre_technique_name Exfiltration_Over_C2_Channel;
)

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.