Rule History

SID: 2020282 • Source: et/open

Versions (3)

Version DetailsCurrent

Rev: 3 • Jan 23, 2015, 12:00 PM

Message:

ET MALWARE DNS Query for Suspicious crptcj7wd4oaafdl Domain - CryptoWall Domains

Rule:

alert dns $HOME_NET any -> any any (msg:"ET MALWARE DNS Query for Suspicious crptcj7wd4oaafdl Domain - CryptoWall Domains"; dns_query; content:"crptcj7wd4oaafdl"; depth:16; fast_pattern; nocase; reference:url,blogs.cisco.com/security/talos/cryptowall-2; reference:url,researchcenter.paloaltonetworks.com/2014/10/tracking-new-ransomware-cryptowall-2-0/; classtype:misc-activity; sid:2020282; rev:3; metadata:created_at 2015_01_23, confidence Medium, signature_severity Major, updated_at 2019_08_30;)

Created:

Jan 23, 2015, 12:00 PM

Updated:

Aug 30, 2019, 12:00 PM

DB Created:

Sep 21, 2024, 3:00 AM

DB Updated:

May 30, 2025, 12:04 AM

Filename:

rules/emerging-malware.rules