From f73d76057160908f44b0dcdf659cb5ff95de3f5e Mon Sep 17 00:00:00 2001 From: Michael Haag <5632822+MHaggis@users.noreply.github.com> Date: Tue, 21 Feb 2023 09:07:23 -0700 Subject: [PATCH] Update windows_steal_authentication_certificates_cryptoapi.yml --- .../windows_steal_authentication_certificates_cryptoapi.yml | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/detections/endpoint/windows_steal_authentication_certificates_cryptoapi.yml b/detections/endpoint/windows_steal_authentication_certificates_cryptoapi.yml index 490f523376..3c84577673 100644 --- a/detections/endpoint/windows_steal_authentication_certificates_cryptoapi.yml +++ b/detections/endpoint/windows_steal_authentication_certificates_cryptoapi.yml @@ -6,7 +6,7 @@ author: Michael Haag, Splunk type: Anomaly datamodel: [] description: The following analytic utilizes a Windows Event Log - CAPI2 - or CryptoAPI 2, to identify suspicious certificate extraction. Typically, this event log is meant for diagnosing PKI issues, however is a great source to identify certificate exports. - Note that this event log is noisy as it captures common PKI requests from many different processes. EventID 70 is generated anytime a certificate is exported. The description for EventID 70 is "Acquire Certifcate Private Key". + Note that this event log is noisy as it captures common PKI requests from many different processes. EventID 70 is generated anytime a certificate is exported. The description for EventID 70 is "Acquire Certificate Private Key". STRT tested this analytic using Mimikatz binary and the implementation of Mimikatz in Cobalt Strike. search: '`capi2_operational` EventCode=70 | xmlkv UserData_Xml @@ -51,4 +51,4 @@ tags: - Computer - UserData_Xml risk_score: 24 - security_domain: endpoint \ No newline at end of file + security_domain: endpoint