Back to Rule

Rule History

SID: 2019201 • Source: et/open

Versions (3)

Version DetailsCurrent

Rev: 13Jan 31, 2014, 12:00 PM

ET MALWARE Backdoor.Win32/PcClient.AA Checkin

alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Backdoor.Win32/PcClient.AA Checkin"; flow:to_server,established; http.method; content:"POST"; http.uri; content:"/2015"; depth:5; fast_pattern; pcre:"/^\d+?\/(?:\d+?\/-?\d+?\.(?:php|jsp))?$/Ri"; http.user_agent; content:"Mozilla/4.0 (compatible|3b| MSIE 7.0|3b| Windows NT 5.2|3b| .NET CLR 1.1.4322|3b| .NET CLR 2.0.50727|3b| InfoPath.1)"; reference:md5,33439543cae709aa7efa58f94e4b2a62; classtype:command-and-control; sid:2019201; rev:13; metadata:created_at 2014_01_31, deprecation_reason Age, signature_severity Major, updated_at 2024_02_14, reviewed_at 2024_02_14;)

Jan 31, 2014, 12:00 PM

Feb 14, 2024, 12:00 PM

Sep 21, 2024, 3:00 AM

May 30, 2025, 12:04 AM

rules/emerging-malware.rules