alert http any any -> [$HOME_NET,$HTTP_SERVERS] any (msg:"ET EXPLOIT Cisco ASA and Firepower Path Traversal Vulnerability M2 (CVE-2020-3452)"; flow:established,to_server; http.method; content:"GET"; http.uri; content:"/oem-customization?"; nocase; fast_pattern; content:"app=AnyConnect"; nocase; content:"type=oem"; nocase; content:"platform="; nocase; content:"resource-type="; nocase; content:"name="; nocase; content:"|2e 2e|"; reference:url,twitter.com/aboul3la/status/1286141887716503553; reference:cve,2020-3452; classtype:attempted-admin; sid:2034263; rev:1; metadata:created_at 2021_10_27, cve CVE_2020_3452, deployment Perimeter, deployment Internal, confidence High, signature_severity Major, tag CISA_KEV, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2021_10_27, mitre_tactic_id TA0007, mitre_tactic_name Discovery, mitre_technique_id T1083, mitre_technique_name File_And_Directory_Discovery; target:dest_ip;)