ET MALWARE njrat ver 0.7d Malware CnC Callback (Capture)

Query · suricata

flow:established;
content:!"GET|20|";
content:"|FF D8 FF E0 00 10 4A 46 49 46|";
content:"|00|CAP|7c 27 7c 27 7c|"; nocase; fast_pattern;
pcre:"/^\d{1,6}\x00cap\x7c/i";
Raw source ET MALWARE njrat ver 0.7d Malware CnC Callback (Capture) · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert tcp any any -> any any (
    msg:"ET MALWARE njrat ver 0.7d Malware CnC Callback (Capture)";
    flow:established;
    content:!"GET|20|";
    content:"|FF D8 FF E0 00 10 4A 46 49 46|";
    content:"|00|CAP|7c 27 7c 27 7c|"; nocase; fast_pattern;
    pcre:"/^\d{1,6}\x00cap\x7c/i";
    reference:md5,bbc68c34bb2dac3ae382ecf785bdb441;
    classtype:command-and-control;
    sid:2019214; rev:2;
    metadata:created_at 2014_09_23, confidence Medium, 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.