alert http any any -> [$HOME_NET,$HTTP_SERVERS] any (msg:"ET EXPLOIT WebSVN 2.6.0 OS Command Injection Inbound (CVE-2021-32305)"; flow:established,to_server; http.method; content:"GET"; http.uri; content:"/search.php?search=|22 3b|"; fast_pattern; reference:cve,2021-32305; classtype:attempted-admin; sid:2033849; rev:1; metadata:attack_target Server, created_at 2021_08_31, cve CVE_2021_32305, deployment Perimeter, deployment Internal, confidence High, signature_severity Major, tag Exploit, updated_at 2021_08_31, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application;)