ET MALWARE Kriptovor SMTP Traffic

Query · suricata

flow:established,to_server;
content:"|0d 0a|PC|3a 20|";
content:"|0d 0a|Text|3a 20|"; distance:0;
content:"|0d 0a|IP|3a 20|"; distance:0;
content:"|0d 0a|TS|3a 20|"; distance:0;
Raw source ET MALWARE Kriptovor SMTP Traffic · 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 [25,465,587] (
    msg:"ET MALWARE Kriptovor SMTP Traffic";
    flow:established,to_server;
    content:"|0d 0a|PC|3a 20|";
    content:"|0d 0a|Text|3a 20|"; distance:0;
    content:"|0d 0a|IP|3a 20|"; distance:0;
    content:"|0d 0a|TS|3a 20|"; distance:0;
    reference:url,fireeye.com/blog/threat-research/2015/04/analysis_of_kriptovo.html;
    reference:md5,c3ab87f85ca07a7d026d3cbd54029bbe;
    classtype:trojan-activity;
    sid:2020884; rev:1;
    metadata:created_at 2015_04_09, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26;
)

Detection rules belong to the projects that publish them and remain under their own licenses. This site indexes and links to them; it claims no rights in them.