Rule History

SID: 2025490 • Source: et/open

Versions (4)

Version DetailsCurrent

Rev: 4 • Apr 13, 2018, 12:00 PM

Message:

ET ADWARE_PUP Observed Win32/Foniad Domain (efishedo .info in TLS SNI)

Rule:

alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET ADWARE_PUP Observed Win32/Foniad Domain (efishedo .info in TLS SNI)"; flow:established,to_server; tls.sni; content:"efishedo.info"; endswith; reference:url,www.microsoft.com/en-us/wdsi/threats/malware-encyclopedia-description?Name=BrowserModifier:Win32/Foniad; classtype:pup-activity; sid:2025490; rev:4; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2018_04_13, deployment Perimeter, malware_family Foniad, performance_impact Moderate, confidence High, signature_severity Minor, updated_at 2020_09_17;)

Created:

Apr 13, 2018, 12:00 PM

Updated:

Sep 17, 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