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SigmaHQ Detections

@sigmaHQ
12 followers122,432 downloads2,527 copies16 likes159,727 views

6,797 detections

Detects suspicious DACL modifications via the "Set-Service" cmdlet using the "SecurityDescriptorSddl" flag (Only available with PowerShell 7) that can be used to hide services or make them unstopable
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
1 year ago
000
Adversaries may establish persistence by executing malicious content triggered by user inactivity.
Screensavers are programs that execute after a configurable time of user inactivity and consist of Portable Executable (PE) files with a .scr file extension
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
1 year ago
000
Detects ScreenConnect program starts that establish a remote access to a system.
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
1 year ago
000
Detects the command line executed when TeamViewer starts a session started by a remote host.
Once a connection has been started, an investigator can verify the connection details by viewing the "incoming_connections.txt" log file in the TeamViewer folder.
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
1 year ago
000
Detects suspicious DACL modifications to deny access to a service that affects critical trustees. This can be used to hide services or make them unstoppable.
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
1 year ago
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Detects the creation of a schtask that executes a file from C:\Users\<USER>\AppData\Local
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
1 year ago
000
Detects when an attacker tries to modify an already existing scheduled tasks to run from a suspicious location
Attackers can create a simple looking task in order to avoid detection on creation as it's often the most focused on
Instead they modify the task after creation to include their malicious payload
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
1 year ago
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Detects Schtask creations that point to a suspicious folder or an environment variable often used by malware
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
1 year ago
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Detects scheduled task creations that have suspicious action command and folder combinations
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
1 year ago
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Detects creation of a scheduled task with a GUID like name
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
1 year ago
000
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