Rule History

SID: 2037011 • Source: et/open

Versions (4)

Version DetailsCurrent

Rev: 1 • Jun 16, 2022, 12:00 PM

Message:

ET WEB_SERVER Suspected Webshell registry Command (Inbound)

Rule:

alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET WEB_SERVER Suspected Webshell registry Command (Inbound)"; flow:established,to_server; http.method; content:"GET"; http.uri; content:".jsp?cmd=reg|2b|query"; fast_pattern; reference:url,thedfirreport.com/2022/06/06/will-the-real-msiexec-please-stand-up-exploit-leads-to-data-exfiltration/; classtype:web-application-attack; sid:2037011; rev:1; metadata:attack_target Web_Server, created_at 2022_06_16, deployment Perimeter, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_06_16;)

Created:

Jun 16, 2022, 12:00 PM

Updated:

Jun 16, 2022, 12:00 PM

DB Created:

Sep 21, 2024, 3:00 AM

DB Updated:

Sep 3, 2025, 8:34 PM

Filename:

rules/emerging-web_server.rules