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;
)