Rule History

SID: 2022850 • Source: et/open

Versions (4)

Version DetailsCurrent

Rev: 5 • Jun 2, 2016, 12:00 PM

Message:

ET ADWARE_PUP Win32/Hadsruda!bit Adware/PUA Installation Activity

Rule:

alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET ADWARE_PUP Win32/Hadsruda!bit Adware/PUA Installation Activity"; flow:to_server,established; http.method; content:"GET"; http.uri; content:"?alpha="; pcre:"/\?alpha=(?:[A-Za-z0-9/+]{4})*(?:[A-Za-z0-9/+]{2}==|[A-Za-z0-9/+]{3}=|[A-Za-z0-9/+]{4})/"; http.user_agent; content:"NSIS_Inetc"; depth:10; fast_pattern; reference:md5,6b58b3eb9bbb0f7297a2e36e615506d3; classtype:pup-activity; sid:2022850; rev:5; metadata:created_at 2016_06_02, confidence High, signature_severity Minor, updated_at 2020_08_31;)

Created:

Jun 2, 2016, 12:00 PM

Updated:

Aug 31, 2020, 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