alert http any any -> $HOME_NET any (
msg:"ET WEB_SPECIFIC_APPS GoAnywhere MFT Authentication Bypass Attempt - POST Request M1 (CVE-2024-0204)";
flow:established,to_server;
http.request_line;
content:"POST /goanywhere/"; startswith;
pcre:"/^.{0,10}(?:(?:\x2e|%2[Ee]){1,2}(?:\x3b|%3[Bb]){1,})/R";
content:"/wizard/InitialAccountSetup.xhtml"; within:60; fast_pattern;
reference:url,www.horizon3.ai/cve-2024-0204-fortra-goanywhere-mft-authentication-bypass-deep-dive/;
reference:cve,2024-0204;
classtype:attempted-admin;
sid:2050436; rev:3;
metadata:affected_product Web_Server_Applications, created_at 2024_01_24, cve CVE_2024_0204, deployment Perimeter, deployment Internal, deployment SSLDecrypt, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_11_26, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application;
target:dest_ip;
)