Versions (5)
Version DetailsCurrent
Rev: 2 • Oct 21, 2020, 12:00 PMET EXPLOIT Possible Citrix Authentication Bypass Attempt Inbound (CVE-2020-8193)
alert http any any -> [$HOME_NET,$HTTP_SERVERS] any (msg:"ET EXPLOIT Possible Citrix Authentication Bypass Attempt Inbound (CVE-2020-8193)"; flow:established,to_server; http.method; content:"POST"; http.uri; content:"&sid=loginchallenge"; content:"&username=nsroot"; distance:0; fast_pattern; http.request_body; content:"<appfwprofile"; 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,2020-8193; classtype:attempted-admin; sid:2031067; rev:2; metadata:created_at 2020_10_21, cve CVE_2020_8193, deployment Perimeter, deployment Internal, confidence High, signature_severity Major, tag CISA_KEV, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_11_26, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application; target:dest_ip;)
Oct 21, 2020, 12:00 PM
Nov 26, 2024, 12:00 PM
Sep 21, 2024, 3:00 AM
Sep 15, 2025, 9:36 PM
rules/emerging-exploit.rules