Rule History

SID: 2063135 • 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:"04:D9:B5:33:8E:A0:FA:57:29:E8:56:CF:F2:00:60:F2"; classtype:misc-activity; sid:2063135; 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