alert http any any -> $HOME_NET any (msg:"ET WEB_SPECIFIC_APPS Clobber API XMLRPC Arbitrary File Upload (CVE-2021-40324)"; flow:established,to_server; http.method; content:"POST"; http.uri; content:"/cobbler_api"; fast_pattern; startswith; http.request_body; content:"|3c|methodName|3e|upload|5f|log|5f|data|3c 2f|methodName|3e|"; reference:url,github.com/cobbler/cobbler/issues/2795; reference:cve,2021-40324; classtype:web-application-attack; sid:2056381; rev:1; metadata:attack_target Server, tls_state TLSDecrypt, created_at 2024_10_01, cve CVE_2021_40324, deployment Perimeter, deployment Internal, deployment SSLDecrypt, confidence High, signature_severity Major, tag Exploit, updated_at 2024_10_01, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application; target:dest_ip;)