ET MALWARE LUMAR Stealer Exfiltration M2

Query · suricata

flow:established,to_server;
content:"|00 00 40|";
content:"|00 00 00 00 00 00 00 24|";
pcre:"/^(?:[0-9a-z]{8}\x2d[0-9a-z]{4}\x2d[0-9a-z]{4}\x2d[0-9a-z]{4}\x2d[0-9a-z]{12})/R";
content:"|00 43 00 3a 00 5c 00|";
content:"|00 2e 00 65 00 78 00 65 00 50 4b 03 04|"; fast_pattern;
Raw source ET MALWARE LUMAR Stealer Exfiltration M2 · 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 1024: (
    msg:"ET MALWARE LUMAR Stealer Exfiltration M2";
    flow:established,to_server;
    content:"|00 00 40|";
    content:"|00 00 00 00 00 00 00 24|";
    pcre:"/^(?:[0-9a-z]{8}\x2d[0-9a-z]{4}\x2d[0-9a-z]{4}\x2d[0-9a-z]{4}\x2d[0-9a-z]{12})/R";
    content:"|00 43 00 3a 00 5c 00|";
    content:"|00 2e 00 65 00 78 00 65 00 50 4b 03 04|"; fast_pattern;
    reference:url,twitter.com/naumovax/status/1716452167538577741;
    classtype:trojan-activity;
    sid:2048736; rev:1;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2023_10_23, deployment Perimeter, malware_family LUMAR, confidence High, signature_severity Critical, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_10_23;
)

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