ET MALWARE Cobalt Strike Stager Time Check M1

Query · suricata

flow:established,to_server;
dsize:11;
content:"GET|20|driver|0a|"; fast_pattern;
Raw source ET MALWARE Cobalt Strike Stager Time Check M1 · Suricata
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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 80 (
    msg:"ET MALWARE Cobalt Strike Stager Time Check M1";
    flow:established,to_server;
    dsize:11;
    content:"GET|20|driver|0a|"; fast_pattern;
    reference:md5,e566c853fe8555fc255bd643f96ba574;
    classtype:trojan-activity;
    sid:2032784; rev:2;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2021_04_20, deployment Perimeter, malware_family Cobalt_Strike, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2021_04_20;
)

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