Rule History

SID: 2044401 • Source: et/open

Versions (3)

Version DetailsCurrent

Rev: 2 • Feb 28, 2023, 12:00 PM

Message:

ET MALWARE IcedID CnC Domain (whothitheka .com) in DNS Lookup

Rule:

alert dns $HOME_NET any -> any any (msg:"ET MALWARE IcedID CnC Domain (whothitheka .com) in DNS Lookup"; dns.query; content:"whothitheka.com"; nocase; bsize:15; reference:url,www.team-cymru.com/post/from-chile-with-malware; classtype:domain-c2; sid:2044401; rev:2; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2023_02_28, deployment Perimeter, deprecation_reason Relevance, malware_family IcedID, performance_impact Low, confidence High, signature_severity Major, updated_at 2023_05_10;)

Created:

Feb 28, 2023, 12:00 PM

Updated:

May 10, 2023, 12:00 PM

DB Created:

Sep 21, 2024, 3:00 AM

DB Updated:

May 30, 2025, 12:04 AM

Filename:

rules/emerging-malware.rules