alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET HUNTING Silent ScreenConnect Install (.msi)"; flow:established,to_server; http.method; content:"GET"; http.uri; content:"/Bin/ScreenConnect.ClientSetup.msi?e=Access&y=Guest"; fast_pattern; classtype:bad-unknown; sid:2071157; rev:1; metadata:affected_product ScreenConnect, attack_target Client_Endpoint, tls_state TLSDecrypt, created_at 2026_07_10, deployment Perimeter, deployment SSLDecrypt, performance_impact Low, confidence High, signature_severity Informational, tag RMM, updated_at 2026_07_10, mitre_tactic_id TA0042, mitre_tactic_name Resource_Development, mitre_technique_id T1583, mitre_technique_name Acquire_Infrastructure; target:src_ip;)