Rule History

alert http any any -> $HOME_NET any (msg:"ET WEB_SERVER SonicWall SMA Unauthenticated sonicfiles RAC_DOWNLOAD_TAR Method Arbitrary File Deletion"; flow:established,to_server; http.method; content:"POST"; http.uri; content:"/fileshare/sonicfiles"; fast_pattern; content:"RacNumber|3d|44"; content:"Arg1|3d|"; pcre:"/^[a-z]+\x3a\x2f{2}/R"; content:"swcctn|3d|"; content:"timestamp|3d|"; pcre:"/^[^&]*?(?:(?:\x2e|%2[Ee]){1,2}(?:\x2f|\x5c|%5[Cc]|%2[Ff]){1,}){2,}/R"; reference:url,www.nccgroup.com/us/research-blog/technical-advisory-sonicwall-sma-100-series-unauthenticated-arbitrary-file-deletion/; classtype:web-application-attack; sid:2061722; rev:2; metadata:affected_product SonicWall, attack_target Server, tls_state TLSDecrypt, created_at 2025_04_17, deployment Perimeter, deployment Internal, deployment SSLDecrypt, confidence High, signature_severity Major, tag Exploit, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2025_10_03, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application; target:dest_ip;)