ET MALWARE Godlua Backdoor Stage-3 Server Heartbeat Reply (Jun 2019 - Sep 2020)

Query · suricata

flow:established,to_client;
flowbits:isset,ET.Godlua.heartbeat;
dsize:13;
content:"|02 00 0a 31 35|"; depth:5; fast_pattern;

Rule dependencies

⚠ Higher-order rule. It fires on other rules' alerts, not on raw events, so it cannot fire on its own. Deploy the rules it depends on too.

Depends on

Raw source ET MALWARE Godlua Backdoor Stage-3 Server Heartbeat Reply (Jun 2019 - Sep 2020) · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert tcp $EXTERNAL_NET 1024: -> $HOME_NET any (
    msg:"ET MALWARE Godlua Backdoor Stage-3 Server Heartbeat Reply (Jun 2019 - Sep 2020)";
    flow:established,to_client;
    flowbits:isset,ET.Godlua.heartbeat;
    dsize:13;
    content:"|02 00 0a 31 35|"; depth:5; fast_pattern;
    reference:url,blog.netlab.360.com/an-analysis-of-godlua-backdoor-en/;
    classtype:trojan-activity;
    sid:2027675; rev:2;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, affected_product Linux, attack_target Client_Endpoint, created_at 2019_07_03, deployment Perimeter, malware_family Godlua, performance_impact Moderate, confidence High, signature_severity Major, tag Backdoor, updated_at 2019_07_26;
)

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