ET MALWARE Win32/Phorpiex Template 7 Active - Outbound Malicious Email Spam

Query · suricata

flow:established,to_server;
content:"Subject|3a 20|READ|20|OR|20|GO|20|TO|20|JAIL!"; fast_pattern;
content:"I|20|sent|20|it|20|from|20|your|20|email";
content:"removed|20|my|20|trojan";
content:"YOUR|20|ILLEGAL|20|ACTIVITIES!";
threshold:type limit, count 1, seconds 60, track by_src;
target:src_ip;
Raw source ET MALWARE Win32/Phorpiex Template 7 Active - Outbound Malicious Email Spam · Suricata
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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 Win32/Phorpiex Template 7 Active - Outbound Malicious Email Spam";
    flow:established,to_server;
    content:"Subject|3a 20|READ|20|OR|20|GO|20|TO|20|JAIL!"; fast_pattern;
    content:"I|20|sent|20|it|20|from|20|your|20|email";
    content:"removed|20|my|20|trojan";
    content:"YOUR|20|ILLEGAL|20|ACTIVITIES!";
    threshold:type limit, count 1, seconds 60, track by_src;
    classtype:trojan-activity;
    sid:2044125; rev:3;
    metadata:attack_target Client_Endpoint, created_at 2023_02_04, deployment Perimeter, malware_family Phorpiex, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_04_07;
    target:src_ip;
)

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