SigmaHQ Detections
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Detects loaded kernel modules that did not meet the WHQL signing requirements.
Detects DNS queries for anonfiles.com, which is an anonymous file upload platform often used for malicious purposes
Detects DNS queries to "ufile.io", which was seen abused by malware and threat actors as a method for data exfiltration
Detects when a DNS zone transfer failed.
Detects specific patterns found after a successful ProxyLogon exploitation in relation to a Commandlet invocation of Set-OabVirtualDirectory
Rule to detect an adversary setting OabVirtualDirectory External URL property to a script in Exchange Management log
Detects the default "UserName" used by the DiagTrackEoP POC
Detects successful logon attempts performed with WMI
This detection uses Windows security events to detect suspicious access attempts to the registry key of Azure AD Health monitoring agent.
This detection requires an access control entry (ACE) on the system access control list (SACL) of the following securable object HKLM\SOFTWARE\Microsoft\Microsoft Online\Reporting\MonitoringAgent.
This detection requires an access control entry (ACE) on the system access control list (SACL) of the following securable object HKLM\SOFTWARE\Microsoft\Microsoft Online\Reporting\MonitoringAgent.
This detection uses Windows security events to detect suspicious access attempts to the registry key values and sub-keys of Azure AD Health service agents (e.g AD FS).
Information from AD Health service agents can be used to potentially abuse some of the features provided by those services in the cloud (e.g. Federation).
This detection requires an access control entry (ACE) on the system access control list (SACL) of the following securable object: HKLM:\SOFTWARE\Microsoft\ADHealthAgent.
Make sure you set the SACL to propagate to its sub-keys.
Information from AD Health service agents can be used to potentially abuse some of the features provided by those services in the cloud (e.g. Federation).
This detection requires an access control entry (ACE) on the system access control list (SACL) of the following securable object: HKLM:\SOFTWARE\Microsoft\ADHealthAgent.
Make sure you set the SACL to propagate to its sub-keys.
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