Rule History

alert http any any -> $HOME_NET any (msg:"ET WEB_SPECIFIC_APPS Progress ShareFile Webshell Upload attempt (CVE-2026-2701)"; flow:established,to_server; http.method; content:"POST"; http.uri; content:"/upload.aspx|3f|"; startswith; content:"id|3d|"; content:"uploadid|3d|"; content:"bp|3d|"; content:"accountid|3d|"; content:"exp|3d|"; content:"h|3d|"; http.request_body; content:"name|3d 22|bp|22|"; content:"name|3d 22|accountid|22|"; content:"name|3d 22|bm|22|"; content:"name|3d 22|bo|22|"; content:"name|3d 22|uploadid|22|"; content:"name|3d 22|rsu|22|"; content:"name|3d 22|NeatUpload|5f|PostBackID|22|"; fast_pattern; content:"name|3d 22|onfinishurl|22|"; content:"|3c|http"; within:20; content:"name|3d 22|unzip|22|"; content:"true"; within:20; content:"filename|3d 22|"; content:"|2e|zip|22 3b|"; distance:0; content:"UniqueID|3d 22|"; content:"PK|03 04|"; distance:0; content:"|2e|asp"; distance:0; reference:url,labs.watchtowr.com/youre-not-supposed-to-sharefile-with-everyone-progress-sharefile-pre-auth-rce-chain-cve-2026-2699-cve-2026-2701/; reference:cve,2026-2701; classtype:attempted-admin; sid:2068627; rev:1; metadata:affected_product Progress_ShareFile, attack_target Networking_Equipment, tls_state TLSDecrypt, created_at 2026_04_07, cve CVE_2026_2701, deployment Perimeter, deployment Internal, deployment SSLDecrypt, performance_impact Low, confidence High, signature_severity Major, tag Exploit, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2026_04_07, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application; target:dest_ip;)