ET MALWARE Kimsuky Related Host Data Exfil M3

Query · suricata

flow:established,to_server;
http.uri;
pcre:"/^\/\?m=[abcde]&p1=[a-f0-9]{8,12}(?:&p2=[^&]+)?(?:&p3=[^&]+)?$/i";
http.uri.raw;
content:"//?m="; depth:5; fast_pattern;
content:"&p1="; distance:1; within:4;
http.header_names;
content:!"Content-Type|0d 0a|";
Raw source ET MALWARE Kimsuky Related Host Data Exfil M3 · 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 -> $EXTERNAL_NET any (
    msg:"ET MALWARE Kimsuky Related Host Data Exfil M3";
    flow:established,to_server;
    http.uri;
    pcre:"/^\/\?m=[abcde]&p1=[a-f0-9]{8,12}(?:&p2=[^&]+)?(?:&p3=[^&]+)?$/i";
    http.uri.raw;
    content:"//?m="; depth:5; fast_pattern;
    content:"&p1="; distance:1; within:4;
    http.header_names;
    content:!"Content-Type|0d 0a|";
    reference:md5,1e14ded758c5dd7b41fe20297935eeef;
    classtype:targeted-activity;
    sid:2035444; rev:3;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2020_06_18, deployment Perimeter, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_11_04;
)

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.