alert http $HOME_NET any -> $EXTERNAL_NET any (
msg:"ET RETIRED Suspected Polonium CnC Checkin (get_cmd)";
flow:established,to_server;
http.method;
content:"GET";
http.uri;
content:"/get_cmd.php?hdd="; fast_pattern;
http.user_agent;
content:"Mozilla/5.0"; bsize:11;
http.header_names;
content:"User-Agent|0d 0a|Host|0d 0a|Content-Length|0d 0a 0d 0a|";
reference:url,twitter.com/InQuest/status/1582114710740008960;
reference:md5,340f96f2f56c7734a5d0011662232c23;
reference:md5,afd04a701ab4f65ceaa3660cded3bb9a;
classtype:trojan-activity;
sid:2039480; rev:2;
metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2022_10_19, deployment Perimeter, former_category MALWARE, performance_impact Low, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_09_19, reviewed_at 2024_09_19;
)