Rule History

SID: 2036880 • Source: et/open

Versions (5)

Version DetailsCurrent

Rev: 1 • Jun 6, 2022, 12:00 PM

Message:

ET WEB_CLIENT [TW] WEBDAV Requesting Startup Dir

Rule:

alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET WEB_CLIENT [TW] WEBDAV Requesting Startup Dir"; flow:established,to_server; http.uri; content:"/Microsoft/Windows/Start Menu/Programs/Startup/"; fast_pattern; http.user_agent; content:"Microsoft-WebDAV-MiniRedir"; nocase; startswith; reference:url,irsl.medium.com/the-trouble-with-microsofts-troubleshooters-6e32fc80b8bd; classtype:attempted-user; sid:2036880; rev:1; metadata:attack_target Client_Endpoint, created_at 2022_06_06, deployment Perimeter, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_06_06;)

Created:

Jun 6, 2022, 12:00 PM

Updated:

Jun 6, 2022, 12:00 PM

DB Created:

Sep 21, 2024, 3:00 AM

DB Updated:

Sep 3, 2025, 8:34 PM

Filename:

rules/emerging-web_client.rules