alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Possible XWorm Payload Downloaded via Powershell"; flow:established,to_server; http.method; content:"GET"; http.uri; content:"Xworm.exe"; endswith; nocase; fast_pattern; http.user_agent; content:"WindowsPowerShell/"; reference:md5,06d67e7ce5da7db9ea51628b633b5322; classtype:trojan-activity; sid:2052559; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, tls_state TLSDecrypt, created_at 2024_05_13, deployment Perimeter, malware_family Xworm, confidence Low, signature_severity Major, updated_at 2024_05_13;)