alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE ScreenConnect Installer Request via PowerShell"; flow:established,to_server; http.method; content:"GET"; http.uri; pcre:"/(?:screenconnect|connectwise)/i"; pcre:"/\x2e(?:msi|exe)/"; http.user_agent; content:"WindowsPowerShell"; fast_pattern; http.host; content:!"screenconnect.com"; endswith; classtype:trojan-activity; sid:2068404; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, tls_state TLSDecrypt, created_at 2026_03_24, deployment Perimeter, deployment SSLDecrypt, confidence High, signature_severity Major, tag RMM, updated_at 2026_03_24; target:src_ip;)