alert http $HOME_NET any -> $EXTERNAL_NET any (
msg:"ET MALWARE Kimsuky Related Maldoc Retrieving Template (GET)";
flow:established,to_server;
http.method;
content:"GET";
http.uri;
content:".php?id=1"; endswith; fast_pattern;
http.user_agent;
content:"|3b 20|ms-office|3b 20|";
http.header_names;
content:!"Referer";
reference:md5,51fa8bf006d80f5e140d84df313c650f;
reference:url,twitter.com/ShadowChasing1/status/1465549330744414215;
classtype:trojan-activity;
sid:2034840; rev:3;
metadata:attack_target Client_Endpoint, created_at 2021_12_23, deployment Perimeter, malware_family Kimsuky, performance_impact Moderate, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_04_25, reviewed_at 2023_08_22;
)