alert http any any -> $HOME_NET any (msg:"ET WEB_SPECIFIC_APPS Opto22 Groov Manage REST API Remote Code Execution (CVE-2025-13087)"; flow:established,to_server; http.uri; content:"/manage/api/v1/maintenance/update/apply"; fast_pattern; http.header; content:"uploader-file-id|3a 20|"; nocase; pcre:"/^[\x0d\x0a]*?[\x3b\x26\x60\x7c\x24]/R"; http.method; content:"POST"; reference:url,github.com/metaredteam/external-disclosures/security/advisories/GHSA-jq6g-ccmp-vccr; reference:cve,2025-13087; classtype:web-application-attack; sid:2065912; rev:1; metadata:attack_target Server, tls_state TLSDecrypt, created_at 2025_11_25, cve CVE_2025_13087, deployment Perimeter, deployment Internal, deployment SSLDecrypt, confidence High, signature_severity Major, tag Exploit, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2025_11_25, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application; target:dest_ip;)