alert http any any -> [$HOME_NET,$HTTP_SERVERS] any (msg:"ET EXPLOIT Mitel MiVoice Connect Data Validation RCE Inbound (CVE-2022-29499)"; flow:established,to_server; http.method; content:"GET"; http.uri; content:"/scripts/vtest.php?"; fast_pattern; content:"get_url="; pcre:"/^[^&]*?(?:\x2f|%+(?:25)*2[fF])ucbsync(?:\x2e|%+(?:25)*2[eE])php(?:\x3f|%+(?:25)*3[fF])[^&]*?cmd(?:\x3d|%+(?:25)*3[dD])syncfile(?:\x3a|%+(?:25)*3[aA])db(?:\x5f|%+(?:25)*5[fF])files/R"; http.header_names; to_lowercase; content:!"|0d 0a|referer|0d 0a|"; reference:url,www.crowdstrike.com/blog/novel-exploit-detected-in-mitel-voip-appliance/; reference:cve,2022-29499; classtype:attempted-admin; sid:2037121; rev:3; metadata:affected_product Mitel, attack_target Networking_Equipment, tls_state TLSDecrypt, created_at 2022_06_24, cve CVE_2022_29499, deployment Perimeter, deployment SSLDecrypt, performance_impact Low, confidence High, signature_severity Major, tag CISA_KEV, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2026_10_20, reviewed_at 2024_09_17; target:dest_ip;)