alert tcp $EXTERNAL_NET any -> $HOME_NET any (msg:"ET EXPLOIT Ivanti Connect Secure VPN IF-T/TLS clientCapabilities Remote Code Execution (CVE-2025-0282)"; flow:established,to_server; xbits:isset,ET.IFTTLS.HTTPRequest,track ip_pair; content:"|00 00|"; startswith; pcre:"/^(\x0a\x4c|\x05\x83)\x00\x00\x00\x88/R"; content:"clientCapabilities|3d|"; fast_pattern; pcre:"/^[^\x20\x0a]{257,}/R"; reference:url,labs.watchtowr.com/do-secure-by-design-pledges-come-with-stickers-ivanti-connect-secure-rce-cve-2025-0282/; reference:cve,2025-0282; classtype:attempted-admin; sid:2059171; rev:1; metadata:affected_product Ivanti, attack_target Networking_Equipment, tls_state TLSDecrypt, created_at 2025_01_13, cve CVE_2025_0282, deployment Perimeter, deployment Internal, deployment SSLDecrypt, confidence Medium, signature_severity Major, tag Exploit, tag CISA_KEV, updated_at 2025_01_13, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application; target:dest_ip;)