Rule History

SID: 2030234 • Source: et/open

Versions (5)

Version DetailsCurrent

Rev: 1 • Jun 1, 2020, 12:00 PM

Message:

ET MALWARE Observed OSX/NukeSped Variant CnC Domain (fudcitydelivers .com) in TLS SNI

Rule:

alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Observed OSX/NukeSped Variant CnC Domain (fudcitydelivers .com) in TLS SNI"; flow:established,to_server; tls.sni; content:"fudcitydelivers.com"; bsize:19; reference:md5,7b07ed5338e6288b5cd510c38e2ab8ed; reference:url,twitter.com/ShadowChasing1/status/1267431137023979522; classtype:command-and-control; sid:2030234; rev:1; metadata:attack_target Client_Endpoint, created_at 2020_06_01, deployment Perimeter, malware_family OSX_NukeSped, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_06_01;)

Created:

Jun 1, 2020, 12:00 PM

Updated:

Jun 1, 2020, 12:00 PM

DB Created:

Sep 21, 2024, 3:00 AM

DB Updated:

Sep 18, 2025, 8:36 PM

Filename:

rules/emerging-malware.rules