alert http $HOME_NET any -> $EXTERNAL_NET any (
msg:"ET MALWARE Kimsuky Related Host Data Exfil";
flow:established,to_server;
http.method;
content:"GET";
http.uri;
content:"/wp-data/?m="; fast_pattern; startswith;
pcre:"/&p=[a-z0-9]{12}(?:&v=[a-z0-9\.-]{1,24})?$/Ri";
http.header_names;
content:!"Referer|0d 0a|";
reference:url,app.any.run/tasks/103fc941-f115-4731-b6fc-f56a82ed6813/;
classtype:trojan-activity;
sid:2029583; rev:2;
metadata:attack_target Client_Endpoint, created_at 2020_03_05, deployment Perimeter, malware_family Kimsuky, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_03_05;
)