Rule History

SID: 2026557 • Source: et/open

Versions (4)

Version DetailsCurrent

Rev: 5 • Oct 26, 2018, 12:00 PM

Message:

ET MALWARE DNS Query for DNSpionage CnC Domain

Rule:

alert dns $HOME_NET any -> any any (msg:"ET MALWARE DNS Query for DNSpionage CnC Domain"; dns.query; content:".0ffice36o.com"; nocase; endswith; reference:md5,c00c9f6ebf2979292d524acff19dd306; classtype:command-and-control; sid:2026557; rev:5; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2018_10_26, deployment Perimeter, confidence High, signature_severity Major, tag DNSpionage, tag DNS_tunneling, updated_at 2020_09_16;)

Created:

Oct 26, 2018, 12:00 PM

Updated:

Sep 16, 2020, 12:00 PM

DB Created:

Sep 21, 2024, 3:00 AM

DB Updated:

May 30, 2025, 12:04 AM

Filename:

rules/emerging-malware.rules