Rule History

SID: 2011939 • Source: et/open

Versions (3)

Version DetailsCurrent

Rev: 9 • Nov 20, 2010, 12:00 PM

Message:

ET ADWARE_PUP CryptMEN HTTP library purporting to be MSIE to PHP HTTP 1.1

Rule:

alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET ADWARE_PUP CryptMEN HTTP library purporting to be MSIE to PHP HTTP 1.1"; flow:established,to_server; http.uri; content:".php?"; nocase; http.protocol; content:"HTTP/1.1"; http.user_agent; content:"Mozilla/4.0|20|(compatible|3b 20|MSIE|20|"; startswith; fast_pattern; http.header_names; content:"|0d 0a|User-Agent|0d 0a|"; startswith; content:"|0d 0a|Host|0d 0a|"; content:!"|0d 0a|Connection|0d 0a|"; content:!"|0d 0a|Referer|0d 0a|"; classtype:pup-activity; sid:2011939; rev:9; metadata:created_at 2010_11_20, signature_severity Minor, updated_at 2024_03_02;)

Created:

Nov 20, 2010, 12:00 PM

Updated:

Mar 2, 2024, 12:00 PM

DB Created:

Sep 21, 2024, 3:00 AM

DB Updated:

May 30, 2025, 12:04 AM

Filename:

rules/emerging-adware_pup.rules