ET MALWARE Win32/XRat.AT Variant CnC Activity

Query · suricata

flow:established,to_server;
content:"0|7c|SS Client ID|7c|"; startswith; fast_pattern;
content:"Windows"; distance:0;
Raw source ET MALWARE Win32/XRat.AT Variant CnC Activity · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert tcp-pkt $HOME_NET any -> $EXTERNAL_NET any (
    msg:"ET MALWARE Win32/XRat.AT Variant CnC Activity";
    flow:established,to_server;
    content:"0|7c|SS Client ID|7c|"; startswith; fast_pattern;
    content:"Windows"; distance:0;
    reference:md5,35b93cc523e0ac8c9bb922a236416d6f;
    classtype:command-and-control;
    sid:2032888; rev:2;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2021_04_29, deployment Perimeter, malware_family Win32_XRat_AT, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2021_04_29;
)

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.