alert http $EXTERNAL_NET any -> [$HOME_NET,$HTTP_SERVERS] any (msg:"ET EXPLOIT Attempted Unauthenticated Palo Alto Global Protect Administrator Password Change M2"; flow:established,to_server; urilen:25; http.method; content:"POST"; http.uri; content:"/global-protect/login.esp"; http.request_body; content:"action=getsoftware&confirm-new-passwd=&inputStr=&new-passwd=&ok=Log%20In&passwd="; startswith; nocase; fast_pattern; content:"&user="; nocase; distance:0; classtype:attempted-admin; sid:2060229; rev:1; metadata:affected_product Palo_Alto_Networks, attack_target Networking_Equipment, tls_state TLSDecrypt, created_at 2025_02_19, deployment Perimeter, deployment SSLDecrypt, confidence High, signature_severity Major, updated_at 2025_02_19, former_sid 2860367, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application;)