ET MALWARE PackClient RAT Payload Request

Query · suricata

flow:established,to_server;
flowbits:set,ET.PackClient_RAT.Payload;
dsize:44;
content:"|15 00 00 00|PLA1"; startswith; fast_pattern;
target:src_ip;

Rule dependencies

Feeds into

  • 2 rules read ET.PackClient_RAT.Payload · view all
Raw source ET MALWARE PackClient RAT Payload Request · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert tcp-pkt $HOME_NET any -> $EXTERNAL_NET any (
    msg:"ET MALWARE PackClient RAT Payload Request";
    flow:established,to_server;
    flowbits:set,ET.PackClient_RAT.Payload;
    dsize:44;
    content:"|15 00 00 00|PLA1"; startswith; fast_pattern;
    reference:md5,c55f9bc3c53ac32e6169ad3cc8b2ce49;
    classtype:trojan-activity;
    sid:2069881; rev:1;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, affected_product Windows_11, attack_target Client_Endpoint, tls_state plaintext, created_at 2026_06_10, deployment Perimeter, malware_family PackClient_RAT, performance_impact Low, confidence High, signature_severity Major, tag RAT, updated_at 2026_06_10;
    target:src_ip;
)

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