Rule History

SID: 2036422 • Source: et/open

Versions (4)

Version DetailsCurrent

Rev: 1 • Apr 29, 2022, 12:00 PM

Message:

ET INFO Observed Abused Redirect Service SSL Cert (svc .dynamics .com)

Rule:

alert tls $EXTERNAL_NET any -> $HOME_NET any (msg:"ET INFO Observed Abused Redirect Service SSL Cert (svc .dynamics .com)"; flow:established,to_client; tls.cert_subject; content:"CN=*.svc.dynamics.com"; bsize:21; fast_pattern; classtype:bad-unknown; sid:2036422; rev:1; metadata:attack_target Client_Endpoint, created_at 2022_04_29, deployment Perimeter, confidence High, signature_severity Informational, tag SSL_Malicious_Cert, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_04_29;)

Created:

Apr 29, 2022, 12:00 PM

Updated:

Apr 29, 2022, 12:00 PM

DB Created:

Sep 21, 2024, 3:00 AM

DB Updated:

Sep 3, 2025, 8:34 PM

Filename:

rules/emerging-info.rules