Rule History

SID: 2038860 • Source: et/open

Versions (4)

Version DetailsCurrent

Rev: 2 • Sep 16, 2022, 12:00 PM

Message:

ET MALWARE Sidewinder APT Related Domain in DNS Lookup (ptcl-gov .com)

Rule:

alert dns $HOME_NET any -> any any (msg:"ET MALWARE Sidewinder APT Related Domain in DNS Lookup (ptcl-gov .com)"; dns.query; dotprefix; content:".ptcl-gov.com"; nocase; endswith; reference:url,twitter.com/uslss_etr/status/1570487402694590464; reference:md5,056d1dc3032d04d7638c02056d5146c9; classtype:domain-c2; sid:2038860; rev:2; metadata:attack_target Client_Endpoint, created_at 2022_09_16, deployment Perimeter, malware_family Sidewinder, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_03_27;)

Created:

Sep 16, 2022, 12:00 PM

Updated:

Mar 27, 2023, 12:00 PM

DB Created:

Sep 21, 2024, 3:00 AM

DB Updated:

Sep 1, 2025, 8:35 PM

Filename:

rules/emerging-malware.rules