alert http $HOME_NET any -> $EXTERNAL_NET any (
msg:"ET MALWARE TA452 Trojan CnC Checkin M1";
flow:established,to_server;
http.method;
content:"POST";
http.uri; bsize:11;
content:"/B/desktop/"; fast_pattern;
http.request_body;
content:"start="; startswith;
content:"&disable_web_page_preview=";
content:"&disable_notification=";
content:"&description=";
content:"&document=";
content:"&CatId=";
content:"&PageId=";
content:"&Id=";
reference:url,www.trendmicro.com/en_us/research/24/h/threat-actors-target-middle-east-using-fake-tool.html;
classtype:trojan-activity;
sid:2055586; rev:1;
metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, affected_product Windows_11, attack_target Client_Endpoint, tls_state plaintext, created_at 2024_08_29, deployment Perimeter, malware_family Globalshadow, performance_impact Low, confidence High, signature_severity Major, tag TA452, updated_at 2024_08_29, mitre_tactic_id TA0010, mitre_tactic_name Exfiltration, mitre_technique_id T1041, mitre_technique_name Exfiltration_Over_C2_Channel;
target:src_ip;
)