Back to Rule

Rule History

SID: 2023670 • Source: et/open

Versions (4)

Version DetailsCurrent

Rev: 6Dec 19, 2016, 12:00 PM

ET INFO IE7UA No Cookie No Referer

alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET INFO IE7UA No Cookie No Referer"; flow:to_server,established; flowbits:set,et.IE7.NoRef.NoCookie; flowbits:noalert; http.user_agent; content:"Mozilla/4.0 (compatible|3b 20|MSIE 7.0|3b|"; fast_pattern; startswith; http.header_names; content:!"Referer|0d 0a|"; content:!"Cookie|0d 0a|"; classtype:bad-unknown; sid:2023670; rev:6; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2016_12_19, deployment Perimeter, malware_family Trojan_Kwampirs, performance_impact Significant, confidence High, signature_severity Major, updated_at 2024_04_29;)

Dec 19, 2016, 12:00 PM

Apr 29, 2024, 12:00 PM

Sep 21, 2024, 3:00 AM

May 30, 2025, 12:04 AM

rules/emerging-info.rules