ET EXPLOIT Possible Citrix Information Disclosure Attempt Inbound (CVE-2020-8195)

alert http any any -> [$HOME_NET,$HTTP_SERVERS] any (
    msg:"ET EXPLOIT Possible Citrix Information Disclosure Attempt Inbound (CVE-2020-8195)";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.uri;
    content:"?filter=path|3a 25|2F"; fast_pattern;
    http.request_body;
    content:"<clipermission"; startswith;
    reference:url,research.nccgroup.com/2020/07/10/rift-citrix-adc-vulnerabilities-cve-2020-8193-cve-2020-8195-and-cve-2020-8196-intelligence/;
    reference:cve,2020-8195;
    classtype:attempted-admin;
    sid:2031068; rev:1;
    metadata:created_at 2020_10_21, cve CVE_2020_8195, deployment Perimeter, deployment Internal, performance_impact Low, confidence Medium, signature_severity Major, tag CISA_KEV, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_10_21, mitre_tactic_id TA0007, mitre_tactic_name Discovery, mitre_technique_id T1082, mitre_technique_name System_Information_Discovery;
)