alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET WEB_SPECIFIC_APPS MOVEit File Transfer - HTTP POST to /api/v1/folders (CVE-2023-34362)"; flow:established,to_server; http.method; content:"POST"; http.uri; content:"/api/v1/folders/"; startswith; fast_pattern; content:"/files"; distance:0; content:"UploadType=resumable"; distance:0; reference:url,www.huntress.com/blog/moveit-transfer-critical-vulnerability-rapid-response; reference:url,community.progress.com/s/article/MOVEit-Transfer-Critical-Vulnerability-31May2023; reference:cve,2023-34362; classtype:web-application-activity; sid:2046055; rev:1; metadata:attack_target Web_Server, created_at 2023_06_02, cve CVE_2023_34362, deployment Perimeter, deployment SSLDecrypt, performance_impact Low, confidence Low, signature_severity Minor, tag CISA_KEV, updated_at 2023_06_02; target:dest_ip;)