Rule History

SID: 2018369 • Source: et/open

Versions (3)

Version DetailsCurrent

Rev: 2 • Apr 7, 2014, 12:00 PM

Message:

ET WEB_SERVER WEBSHELL K-Shell/ZHC Shell 1.0/Aspx Shell Backdoor NetCat_Listener

Rule:

alert http $HTTP_SERVERS any -> $EXTERNAL_NET any (msg:"ET WEB_SERVER WEBSHELL K-Shell/ZHC Shell 1.0/Aspx Shell Backdoor NetCat_Listener"; flow:established,from_server; file_data; content:"Silentz's Tricks:"; content:"action=cmd2"; content:"Start NC"; reference:url,www.fidelissecurity.com/webfm_send/377; reference:url,pastebin.com/XAG1Hnfd; classtype:web-application-attack; sid:2018369; rev:2; metadata:created_at 2014_04_07, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26;)

Created:

Apr 7, 2014, 12:00 PM

Updated:

Jul 26, 2019, 12:00 PM

DB Created:

Sep 21, 2024, 3:00 AM

DB Updated:

Oct 22, 2025, 9:34 PM

Filename:

rules/emerging-web_server.rules