ET MALWARE IP2B Trojan Communication Protocol detected

Query · suricata

flow:established,to_server;
content:"|78 56 34 12 00 10 00 10|"; depth:8; fast_pattern;
content:"|00 18 09 07 20|"; distance:4; within:5;
target:src_ip;
Raw source ET MALWARE IP2B Trojan Communication Protocol detected · 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 $HTTP_PORTS (
    msg:"ET MALWARE IP2B Trojan Communication Protocol detected";
    flow:established,to_server;
    content:"|78 56 34 12 00 10 00 10|"; depth:8; fast_pattern;
    content:"|00 18 09 07 20|"; distance:4; within:5;
    reference:url,www.commandfive.com/papers/C5_APT_C2InTheFifthDomain.pdf;
    classtype:trojan-activity;
    sid:2014226; rev:4;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, tls_state plaintext, created_at 2012_02_14, deployment Perimeter, deployment Internal, performance_impact Low, confidence High, signature_severity Major, updated_at 2024_12_05, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1041, mitre_technique_name Exfiltration_Over_C2_Channel;
    target:src_ip;
)

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