Rule History

SID: 2033266 • Source: et/open

Versions (4)

Version DetailsCurrent

Rev: 1 • Jul 7, 2021, 12:00 PM

Message:

ET MALWARE Possible Siloscape IRC CnC JOIN Command Observed

Rule:

alert tcp $HOME_NET any -> $EXTERNAL_NET 6666:7000 (msg:"ET MALWARE Possible Siloscape IRC CnC JOIN Command Observed"; flow:established,to_server; content:"JOIN|20|#WindowsKubernetes"; startswith; fast_pattern; reference:url,unit42.paloaltonetworks.com/siloscape/; classtype:command-and-control; sid:2033266; rev:1; metadata:created_at 2021_07_07, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2021_07_07;)

Created:

Jul 7, 2021, 12:00 PM

Updated:

Jul 7, 2021, 12:00 PM

DB Created:

Sep 21, 2024, 3:00 AM

DB Updated:

Sep 10, 2025, 9:34 PM

Filename:

rules/emerging-malware.rules