alert http any any -> $HOME_NET any (msg:"ET EXPLOIT Fortra MFT Deserialization Remote Code Execution Attempt (CVE-2023-0669) M3"; flow:established,to_server; http.method; content:"POST"; http.uri; content:"/goanywhere/lic/accept"; fast_pattern; http.request_body; content:"bundle="; startswith; reference:url,frycos.github.io/vulns4free/2023/02/06/goanywhere-forgotten.html; reference:cve,2023-0669; classtype:trojan-activity; sid:2044145; rev:1; metadata:affected_product Java, attack_target Web_Server, created_at 2023_02_07, cve CVE_2023_0669, deployment Perimeter, deployment Internal, deployment Datacenter, deployment SSLDecrypt, performance_impact Low, confidence Low, signature_severity Major, tag CISA_KEV, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_02_07, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application;)