Rule History

SID: 2013446 • Source: et/open

Versions (4)

Version DetailsCurrent

Rev: 3 • Aug 22, 2011, 12:00 PM

Message:

ET MALWARE Win32/TrojanDownloader.Chekafe.D User-Agent my_check_data On Off HTTP Port

Rule:

alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Win32/TrojanDownloader.Chekafe.D User-Agent my_check_data On Off HTTP Port"; flow:established,to_server; http.header; content:"User-Agent|3A 20|my_check_data"; classtype:trojan-activity; sid:2013446; rev:3; metadata:created_at 2011_08_22, malware_family Win32_TrojanDownloader_Chekafe_D, confidence High, signature_severity Major, updated_at 2020_04_20;)

Created:

Aug 22, 2011, 12:00 PM

Updated:

Apr 20, 2020, 12:00 PM

DB Created:

Sep 21, 2024, 3:00 AM

DB Updated:

May 30, 2025, 12:04 AM

Filename:

rules/emerging-malware.rules