alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET EXPLOIT Redfish API User Enumeration Attempt (CVE-2022-2827)"; flow:established,to_server; http.method; content:"POST"; http.uri; content:"/api/reset-pass"; bsize:15; fast_pattern; http.request_body; content:"username="; content:"verifyOTP="; content:"param=2"; threshold:type threshold, track by_src, count 3, seconds 10; reference:url,eclypsium.com/2022/12/05/supply-chain-vulnerabilities-put-server-ecosystem-at-risk; classtype:attempted-user; sid:2041932; rev:2; metadata:attack_target Client_Endpoint, created_at 2022_12_06, cve CVE_2022_2827, deployment Perimeter, performance_impact Low, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_12_07, reviewed_at 2024_05_28;)