ET MALWARE MassLogger Client Data Exfil SMTP

Query · suricata

flow:established,to_server;
content:"Subject|3a 20|MassLogger|20 7c 20|"; fast_pattern;
Raw source ET MALWARE MassLogger Client Data Exfil SMTP · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert smtp $HOME_NET any -> $EXTERNAL_NET any (
    msg:"ET MALWARE MassLogger Client Data Exfil SMTP";
    flow:established,to_server;
    content:"Subject|3a 20|MassLogger|20 7c 20|"; fast_pattern;
    reference:md5,862b6b45307a816ac1e3321ec66b212d;
    classtype:command-and-control;
    sid:2030809; rev:3;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2020_07_27, deployment Perimeter, malware_family MassLogger, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_08_28;
)

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