Rule History

SID: 2023800 • Source: et/open

Versions (2)

Version DetailsCurrent

Rev: 5 • Jan 31, 2017, 12:00 PM

Message:

ET MALWARE DustySky Downeks/Quasar/other DNS Lookup (speedbind .com)

Rule:

alert dns $HOME_NET any -> any any (msg:"ET MALWARE DustySky Downeks/Quasar/other DNS Lookup (speedbind .com)"; dns.query; content:"speedbind.com"; depth:13; nocase; endswith; fast_pattern; reference:url,researchcenter.paloaltonetworks.com/2017/01/unit42-downeks-and-quasar-rat-used-in-recent-targeted-attacks-against-governments/; classtype:trojan-activity; sid:2023800; rev:5; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2017_01_31, deployment Perimeter, malware_family DustySky_related_implant, confidence Medium, signature_severity Major, updated_at 2020_09_17;)

Created:

Jan 31, 2017, 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