alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE TA452 Trojan CnC Checkin M2"; flow:established,to_server; http.method; content:"POST"; http.uri; bsize:6; content:"/B/hi/"; fast_pattern; http.request_body; content:"start="; startswith; content:"&text="; within:100; reference:url,www.trendmicro.com/en_us/research/24/h/threat-actors-target-middle-east-using-fake-tool.html; classtype:trojan-activity; sid:2055587; 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;)