alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Win32/ModernLoader Activity (POST)"; flow:established,to_server; http.method; content:"POST"; http.uri; content:".php"; endswith; http.request_body; content:"|7b 22|UUID|22 3a 22|"; startswith; content:"|22|Net|22 3a 22|"; content:"|22|AntiVirus|22 3a 22|"; content:"|22|Network PCs|22 3a 22|"; fast_pattern; reference:md5,acaf26ffa764ed16d711989546acb112; reference:md5,389f53223fccb698f2fba88ed408727c; reference:md5,9c808b7c4f15d6212e9eac317216d9e7; reference:url,blog.talosintelligence.com/2022/08/modernloader-delivers-multiple-stealers.html; classtype:trojan-activity; sid:2042188; rev:2; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2022_01_20, deployment Perimeter, malware_family ModernLoader, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_12_07, reviewed_at 2023_08_25, former_sid 2850890;)