ET MALWARE MSIL/Agent.CTK Checkin

Query · suricata

flow:established,to_server;
content:"861gLc"; startswith;
content:"AnK"; distance:0;
content:"AnK"; distance:0;
content:"AnK1.2901AnK0901AnK"; endswith; fast_pattern;
Raw source ET MALWARE MSIL/Agent.CTK Checkin · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert tcp $HOME_NET any -> $EXTERNAL_NET any (
    msg:"ET MALWARE MSIL/Agent.CTK Checkin";
    flow:established,to_server;
    content:"861gLc"; startswith;
    content:"AnK"; distance:0;
    content:"AnK"; distance:0;
    content:"AnK1.2901AnK0901AnK"; endswith; fast_pattern;
    reference:md5,8b964c81520445c89f337bab7afe5329;
    classtype:trojan-activity;
    sid:2037750; rev:1;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2022_07_12, deployment Perimeter, malware_family MSIL_Agent_CTK, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_07_12, reviewed_at 2024_01_02;
)

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.