alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET EXPLOIT Redfish Exploitation Attempt (CVE-2022-40259)"; flow:established,to_server; http.method; content:"GET"; http.uri; content:"/redfish/v1/Registries/1"; startswith; content:"|3b|curl|24 7b|IFS|7d|"; fast_pattern; content:"|7c|bash|3b 2e|json"; endswith; reference:url,eclypsium.com/2022/12/05/supply-chain-vulnerabilities-put-server-ecosystem-at-risk; classtype:attempted-admin; sid:2041931; rev:1; metadata:attack_target Client_Endpoint, created_at 2022_12_06, cve CVE_2022_40259, deployment Perimeter, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_12_06;)