ET MALWARE Kimsuky Related Host Data Exfil

Query · suricata

flow:established,to_server;
http.uri.raw;
content:"&p1=";
http.request_line;
content:"GET|20|///?m="; fast_pattern;
http.user_agent;
content:"Mozilla/5|2e|0|20|(Windows|20|NT|20|6|2e|1|3b||20|Trident/7|2e|0|3b 20|rv|3a|11|2e|0)|20|like|20|Gecko";
Raw source ET MALWARE Kimsuky Related Host Data Exfil · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert http $HOME_NET any -> $EXTERNAL_NET any (
    msg:"ET MALWARE Kimsuky Related Host Data Exfil";
    flow:established,to_server;
    http.uri.raw;
    content:"&p1=";
    http.request_line;
    content:"GET|20|///?m="; fast_pattern;
    http.user_agent;
    content:"Mozilla/5|2e|0|20|(Windows|20|NT|20|6|2e|1|3b||20|Trident/7|2e|0|3b 20|rv|3a|11|2e|0)|20|like|20|Gecko";
    reference:url,blog.yoroi.company/research/the-north-korean-kimsuky-apt-keeps-threatening-south-korea-evolving-its-ttps/;
    classtype:trojan-activity;
    sid:2029586; rev:2;
    metadata:attack_target Client_Endpoint, created_at 2020_03_06, deployment Perimeter, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_03_06;
)

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.