ET MALWARE Backdoor.Win32.DarkComet Keepalive Outbound

Query · suricata

flow:to_server,established;
content:"KEEPALIVE"; depth:9;
pcre:"/^KEEPALIVE\d+$/";
Raw source ET MALWARE Backdoor.Win32.DarkComet Keepalive Outbound · 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 -> $EXTERNAL_NET any (
    msg:"ET MALWARE Backdoor.Win32.DarkComet Keepalive Outbound";
    flow:to_server,established;
    content:"KEEPALIVE"; depth:9;
    pcre:"/^KEEPALIVE\d+$/";
    reference:md5,d4f949f268d00522cfbae5d18cbce933;
    classtype:trojan-activity;
    sid:2023091; rev:1;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2016_08_25, deployment Perimeter, performance_impact Low, confidence High, signature_severity Major, updated_at 2019_07_26;
)

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