ET MALWARE TA428 Infostealer CnC Host Checkin

Query · suricata

flow:established,to_server;
content:"|54 0b 54|"; offset:16; depth:3; fast_pattern;
content:"|54 0b 54|"; distance:0;
content:"|54 0b 54|"; distance:0;
content:"|54 0b 54|"; distance:0;
content:"|54 0b 54|"; distance:0;
content:"|54 0b 54|"; distance:0;
content:"|54 0b 54|"; distance:0;
content:"|08 00|"; distance:0;
content:"|01|"; endswith;
Raw source ET MALWARE TA428 Infostealer CnC Host Checkin · 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 TA428 Infostealer CnC Host Checkin";
    flow:established,to_server;
    content:"|54 0b 54|"; offset:16; depth:3; fast_pattern;
    content:"|54 0b 54|"; distance:0;
    content:"|54 0b 54|"; distance:0;
    content:"|54 0b 54|"; distance:0;
    content:"|54 0b 54|"; distance:0;
    content:"|54 0b 54|"; distance:0;
    content:"|54 0b 54|"; distance:0;
    content:"|08 00|"; distance:0;
    content:"|01|"; endswith;
    reference:md5,a5a4046989fa0f99c2076aec3ea0ab2a;
    reference:url,vblocalhost.com/uploads/VB2020-20.pdf;
    classtype:targeted-activity;
    sid:2030939; rev:2;
    metadata:attack_target Client_Endpoint, created_at 2020_10_01, deployment Perimeter, performance_impact Moderate, confidence High, signature_severity Major, updated_at 2020_10_01;
)

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