alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Unk Loader Host Profiling Data Exfiltration Attempt"; flow:established,to_server; http.method; content:"POST"; http.uri; pcre:"/^\x2f[a-fA-F0-9]{32}$/"; http.request_body; content:"|22|systemInfo|22 3a|"; content:"|22|HostName|22 3a|"; content:"|22|CurrentUser|22 3a|"; content:"|22|OSVersion|22 3a|"; content:"|22|OSName|22 3a|"; content:"|22|CPUModel|22 3a|"; content:"|22|TotalMemoryMB|22 3a|"; content:"|22|PowerShellVersion|22 3a|"; fast_pattern; content:"|22|Architecture|22 3a|"; content:"|22|securityInfo|22 3a|"; content:"|22|AVProducts|22 3a|"; content:"|22|logData|22 3a|"; content:"|22|execPolicy|22 3a|"; reference:md5,676341fd22b73e8836c09ead43d6fbc4; classtype:trojan-activity; sid:2061613; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, affected_product Windows_11, attack_target Client_and_Server, tls_state TLSDecrypt, created_at 2025_04_15, deployment Perimeter, performance_impact Low, confidence High, signature_severity Major, tag Loader, updated_at 2025_04_15, mitre_tactic_id TA0037, mitre_tactic_name Command_And_Control, mitre_technique_id T1041, mitre_technique_name Exfiltration_Over_C2_Channel; target:src_ip;)