alert http any any -> [$HOME_NET,$HTTP_SERVERS] any (msg:"ET EXPLOIT Cisco Viptela vManage Directory Traversal (CVE-2020-27128)"; flow:established,to_server; http.method; content:"POST"; http.uri; content:"/dataservice/statistics/download/dr/filelist"; fast_pattern; http.request_body; content:"|2f 2e 2e 2f|"; reference:cve,2020-27128; classtype:web-application-attack; sid:2035136; rev:2; metadata:created_at 2022_02_08, cve CVE_2020_27128, deployment Perimeter, deployment Internal, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_02_08, mitre_tactic_id TA0007, mitre_tactic_name Discovery, mitre_technique_id T1083, mitre_technique_name File_And_Directory_Discovery; target:dest_ip;)