Rule History

SID: 2021444 • Source: et/open

Versions (4)

Version DetailsCurrent

Rev: 5 • Jul 20, 2015, 12:00 PM

Message:

ET MALWARE Likely Linux/IptabLesX C2 Domain Lookup (GroUndHog.MapSnode.CoM)

Rule:

alert dns $HOME_NET any -> any any (msg:"ET MALWARE Likely Linux/IptabLesX C2 Domain Lookup (GroUndHog.MapSnode.CoM)"; threshold:type both,track by_src,count 10,seconds 120; dns.query; content:"GroUndHog.MapSnode.CoM"; depth:22; fast_pattern; nocase; endswith; classtype:command-and-control; sid:2021444; rev:5; metadata:created_at 2015_07_20, confidence Medium, signature_severity Major, updated_at 2020_09_17;)

Created:

Jul 20, 2015, 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-malware.rules