alert http any any -> $HOME_NET any (msg:"ET WEB_SPECIFIC_APPS Citrix nsroot ADM_SESSIONID Information Disclosure (CVE-2024-6235)"; flow:established,to_server; xbits:set,ET.CVE-202-6235,track ip_pair,expire 120; http.method; content:"GET"; http.uri; bsize:44; content:"/internal/v2/config/mps_secret/ADM_SESSIONID"; fast_pattern; http.header; content:"Tenant-Name|3a 20|Owner"; content:"User-Name|3a 20|nsroot"; content:"Mps-Internal-Request|3a 20|true"; http.header_names; content:!"|0d 0a|Cookie|0d 0a|"; content:!"|0d 0a|Authorization|0d 0a|"; reference:cve,2024-6235; reference:url,attackerkb.com/topics/7zebEgmGLs/cve-2024-6235; classtype:attempted-admin; sid:2061842; rev:1; metadata:affected_product Citrix, attack_target Web_Server, tls_state plaintext, created_at 2025_04_24, cve CVE_2024_6235, deployment Perimeter, deployment Internal, performance_impact Low, confidence High, signature_severity Major, tag Exploit, updated_at 2025_04_24, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application; target:dest_ip;)