Rule History

SID: 2063134 • Source: et/open

Versions (2)

Version DetailsCurrent

Rev: 3 • Jun 23, 2025, 12:00 PM

Message:

ET HUNTING Observed ConnectWise ScreenConnect SSL Certificate

Rule:

alert tls $EXTERNAL_NET any -> $HOME_NET any (msg:"ET HUNTING Observed ConnectWise ScreenConnect SSL Certificate"; flow:established,to_client; tls.cert_serial; content:"03:58:28:B5:82:D8:C0:A1:93:C4:BA:3C:5D:CF:10:11"; classtype:misc-activity; sid:2063134; rev:3; metadata:attack_target Client_Endpoint, created_at 2025_06_23, deployment Perimeter, confidence High, signature_severity Informational, tag SSL_Malicious_Cert, tag Generated_by_Proofpoint_Nexus, updated_at 2025_06_24;)

Created:

Jun 23, 2025, 12:00 PM

Updated:

Jun 24, 2025, 12:00 PM

DB Created:

Jun 23, 2025, 9:34 PM

DB Updated:

Jun 24, 2025, 9:34 PM

Filename:

rules/emerging-hunting.rules