Rule History

SID: 2021578 • Source: et/open

Versions (4)

Version DetailsCurrent

Rev: 5 • Aug 3, 2015, 12:00 PM

Message:

ET MALWARE APT SuperhardCorp DNS Lookup (ohio.sysbloger.com)

Rule:

alert dns $HOME_NET any -> any any (msg:"ET MALWARE APT SuperhardCorp DNS Lookup (ohio.sysbloger.com)"; dns.query; content:"ohio.sysbloger.com"; depth:18; nocase; endswith; fast_pattern; reference:url,blogs.rsa.com/wp-content/uploads/2015/05/RSA-IR-Case-Study.pdf; classtype:targeted-activity; sid:2021578; rev:5; metadata:created_at 2015_08_03, confidence Medium, signature_severity Major, updated_at 2020_09_17;)

Created:

Aug 3, 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