ET MALWARE Possible Infection Report Mail - Indy Mail lib and No Message Body - Priority 3

Query · suricata

flow:established,to_server;
content:"|0d 0a|X-Priority|3a| 3|0d 0a|X-Library|3a| Indy ";
content:"|0d 0a 0d 0a 2e 0d 0a|"; within:30;
Raw source ET MALWARE Possible Infection Report Mail - Indy Mail lib and No Message Body - Priority 3 · 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 25 (
    msg:"ET MALWARE Possible Infection Report Mail - Indy Mail lib and No Message Body - Priority 3";
    flow:established,to_server;
    content:"|0d 0a|X-Priority|3a| 3|0d 0a|X-Library|3a| Indy ";
    content:"|0d 0a 0d 0a 2e 0d 0a|"; within:30;
    classtype:trojan-activity;
    sid:2007612; rev:8;
    metadata:created_at 2010_07_30, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26;
)

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