alert http any any -> $HOME_NET any (msg:"ET WEB_SPECIFIC_APPS Zoho ManageEngine OpManager Directory Traversal Attempt (CVE-2020-12116)"; flow:established,to_server; http.request_line; content:"GET /cachestart/"; startswith; pcre:"/^\d{1,6}/R"; content:"/cacheend/apiclient/fluidicv2/javascript/jquery/"; fast_pattern; within:53; pcre:"/^.{0,10}(?:(?:\x2e|%2[Ee]){1,2}(?:\x2f|\x5c|%5[Cc]|%2[Ff]){1,}){2,}/R"; reference:url,github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2020/CVE-2020-12116.yaml; reference:cve,2020-12116; classtype:web-application-attack; sid:2056376; rev:2; metadata:affected_product Zoho_ManageEngine, created_at 2024_10_01, cve CVE_2020_12116, deployment Perimeter, deployment Internal, deployment SSLDecrypt, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_11_26, mitre_tactic_id TA0006, mitre_tactic_name Credential_Access, mitre_technique_id T1552, mitre_technique_name Unsecured_Credentials; target:dest_ip;)