ET MALWARE VBS/Kimsuky.O Host Fingerprint Exfil

alert http $HOME_NET any -> $EXTERNAL_NET any (
    msg:"ET MALWARE VBS/Kimsuky.O Host Fingerprint Exfil";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.uri;
    content:"/info.php?ki87ujhy="; startswith; fast_pattern;
    http.user_agent;
    content:"Mozilla|2f|5|2e|0|20 28|Windows|20|NT|20|10|2e|0|3b 20|Win64|3b 20|x64|29 20|AppleWebKit|2f|537|2e|36|20 28|KHTML|2c 20|like|20|Gecko|29 20|Chnome|2f|97|2e|0|2e|4692|2e|99|20|Safari|2f|537|2e|36";
    http.request_body;
    content:"v="; startswith;
    content:"&r="; distance:0;
    content:"&un="; distance:0;
    content:"&os="; distance:0;
    reference:md5,a871511ef8abae9f103a3dfe77b12b6d;
    reference:url,securelist.com/kimsukys-golddragon-cluster-and-its-c2-operations/107258/;
    classtype:trojan-activity;
    sid:2038674; rev:2;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2022_08_30, deployment Perimeter, malware_family VBS_Kimsuky_O, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_03_10, reviewed_at 2024_01_26;
)