alert http $HOME_NET any -> $EXTERNAL_NET any (
msg:"ET MALWARE Suspected Kimsuky Related Activity (set)";
flow:established,to_server;
flowbits:set,ET.kimsukymisc;
flowbits:noalert;
http.method;
content:"GET";
http.uri;
content:".php?query=";
pcre:"/^[0-9]{1,2}$/R";
http.user_agent;
content:!"Android";
content:!"Linux";
http.header_names;
content:!"Referer";
reference:md5,9e71586d1a773dcf30f8fe1f6855a259;
reference:url,twitter.com/StopMalvertisin/status/1669379332547186690;
classtype:trojan-activity;
sid:2046618; rev:1;
metadata:attack_target Client_Endpoint, created_at 2023_06_22, deployment Perimeter, performance_impact Moderate, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_06_22;
target:src_ip;
)