SigmaHQ Detections
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Detects PowerShell scripts that utilize native PowerShell Identity modules to request Kerberos tickets.
This behavior is typically seen during a Kerberos or silver ticket attack. A successful execution will output the SPNs for the endpoint in question.
This behavior is typically seen during a Kerberos or silver ticket attack. A successful execution will output the SPNs for the endpoint in question.
Detect built in PowerShell cmdlet Disable-WindowsOptionalFeature, Deployment Image Servicing and Management tool.
Similar to DISM.exe, this cmdlet is used to enumerate, install, uninstall, configure, and update features and packages in Windows images
Similar to DISM.exe, this cmdlet is used to enumerate, install, uninstall, configure, and update features and packages in Windows images
Detects actions taken by Windows Defender malware detection engines
Triggers on any Sysmon "FileExecutableDetected" event, which triggers every time a PE that is monitored by the config is created.
Adversaries may use Valid Accounts to interact with remote systems using Windows Remote Management (WinRM). The adversary may then perform actions as the logged-on user.
Detects when an attacker tries to disable User Account Control (UAC) notification by tampering with the "UACDisableNotify" value.
UAC is a critical security feature in Windows that prevents unauthorized changes to the operating system. It prompts the user for permission or an administrator password before allowing actions that could affect the system's operation or change settings that affect other users.
When "UACDisableNotify" is set to 1, UAC prompts are suppressed.
UAC is a critical security feature in Windows that prevents unauthorized changes to the operating system. It prompts the user for permission or an administrator password before allowing actions that could affect the system's operation or change settings that affect other users.
When "UACDisableNotify" is set to 1, UAC prompts are suppressed.
Detects attempts of decoding a base64 Gzip archive in a PowerShell script. This technique is often used as a method to load malicious content into memory afterward.
DNSExfiltrator allows for transferring (exfiltrate) a file over a DNS request covert channel
Detects the execution of powershell scripts with calls to the "Start-NetEventSession" cmdlet. Which allows an attacker to start event and packet capture for a network event session.
Adversaries may attempt to capture network to gather information over the course of an operation.
Data captured via this technique may include user credentials, especially those sent over an insecure, unencrypted protocol.
Adversaries may attempt to capture network to gather information over the course of an operation.
Data captured via this technique may include user credentials, especially those sent over an insecure, unencrypted protocol.
Adversaries may carry out malicious operations using a virtual instance to avoid detection
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