alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET EXPLOIT Possible SysAid Traversal Attack (CVE-2023-47246)"; flow:established,to_server; http.method; content:"POST"; http.uri; content:"accountid="; fast_pattern; nocase; pcre:"/^[^&]+\x2e(?:\x2e|\x2f)/Ri"; reference:url,www.huntress.com/blog/critical-vulnerability-sysaid-cve-2023-47246; reference:url,profero.io/posts/sysaidonpremvulnerability/; reference:url,swww.sysaid.com/blog/service-desk/on-premise-software-security-vulnerability-notification; reference:cve,2023-47246; classtype:attempted-admin; sid:2049147; rev:2; metadata:attack_target Web_Server, created_at 2023_11_10, cve CVE_2023_47246, deployment Perimeter, deployment SSLDecrypt, performance_impact Low, confidence Low, signature_severity Major, tag CISA_KEV, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_11_27, reviewed_at 2024_03_18; target:dest_ip;)