ET MALWARE Lazarus FALLCHILL Fake SSL Checkin 2

Query · suricata

flow:established;
dsize:13;
content:"|17 03 01 00 08|"; depth:5;
content:"|63 70 7b|"; distance:5; within:3; fast_pattern;
pcre:"/[\xb0\xb2]\x63\x70\x7b$/";
Raw source ET MALWARE Lazarus FALLCHILL Fake SSL Checkin 2 · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert tcp any any -> any any (
    msg:"ET MALWARE Lazarus FALLCHILL Fake SSL Checkin 2";
    flow:established;
    dsize:13;
    content:"|17 03 01 00 08|"; depth:5;
    content:"|63 70 7b|"; distance:5; within:3; fast_pattern;
    pcre:"/[\xb0\xb2]\x63\x70\x7b$/";
    reference:url,www.us-cert.gov/ncas/alerts/TA17-318A;
    classtype:command-and-control;
    sid:2024992; rev:1;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2017_11_14, deployment Perimeter, malware_family FALLCHILL, performance_impact Low, confidence High, signature_severity Critical, tag Lazarus, updated_at 2019_07_26;
)

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