alert udp any any -> $HOME_NET 32769 (msg:"ET EXPLOIT Alcatel-Lucent cluster_cor Command Injection Attempt (CVE-2025-52690)"; flow:stateless,to_server; dsize:<110; content:"|01 01 01 06 02 03 00 00 00 64 07|"; fast_pattern; startswith; pcre:"/^.*(?:(?:\x3b|%3[Bb])|(?:\x0a|%0[Aa])|(?:\x60|%60)|(?:\x7c|%7[Cc])|(?:\x24|%24)|(?:\x26{2}|%26%26))+/R"; reference:url,jro.sg/CVEs/CVE-2025-52690/; reference:cve,2025-52690; classtype:web-application-attack; sid:2063532; rev:1; metadata:affected_product Alcatel_Lucent, attack_target Networking_Equipment, tls_state plaintext, created_at 2025_07_16, cve CVE_2025_52690, deployment Perimeter, deployment Internal, performance_impact Low, confidence High, signature_severity Major, tag Exploit, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2025_07_16, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application; target:dest_ip;)