ET MALWARE QuasarRAT/zgRAT C2 Activity (set)

Query · suricata

flow:established,to_server;
flowbits:set,ET.zgRAT;
flowbits:noalert;
content:"|40 00 00 00|";
dsize:4;

Rule dependencies

Feeds into

Raw source ET MALWARE QuasarRAT/zgRAT C2 Activity (set) · 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 [!2038,!3478,!5000,!22466,!3101,!6180,!80,!443,!8080,!8443,!25,!587,!2525] (
    msg:"ET MALWARE QuasarRAT/zgRAT C2 Activity (set)";
    flow:established,to_server;
    flowbits:set,ET.zgRAT;
    flowbits:noalert;
    content:"|40 00 00 00|";
    dsize:4;
    reference:md5,43a2f0f6fb1b858e9d7997ba8317df03;
    reference:url,twitter.com/James_inthe_box/status/1410260077861249028;
    classtype:command-and-control;
    sid:2033211; rev:1;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2021_06_30, deployment Perimeter, confidence High, signature_severity Major, tag RAT, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2021_06_30;
)

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