Detections

Explore public detection logic contributed by the community across SIEM and rule languages.

4,463 detections

Detects base64 encoded strings used in hidden malicious PowerShell command lines
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
2 years ago
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Detects calls to cmdlets that are used to export certificates from the local certificate store. Threat actors were seen abusing this to steal private keys from compromised machines.
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
2 years ago
000
Detects powershell scripts that import modules from suspicious directories
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
2 years ago
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Detects usage of the "TcpClient" class. Which can be abused to establish remote connections and reverse-shells. As seen used by the Nishang "Invoke-PowerShellTcpOneLine" reverse shell and other.
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
2 years ago
000
Detects a suspicious or uncommon parent processes of PowerShell
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
2 years ago
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Detects a suspicious command line execution that invokes PowerShell with reference to an AppData folder
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
2 years ago
000
Detects PowerShell command line contents that include a suspicious abnormal casing in the Net.Webclient (e.g. nEt.WEbCliEnT) string as used in obfuscation techniques
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
2 years ago
000
Detects events that appear when a user click on a link file with a powershell command in it
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
2 years ago
000
Detects possible execution via LNK file accessed on a WebDAV server.
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
2 years ago
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Detects Powershell as a child of the WmiPrvSE process. Which could be a sign of lateral movement via WMI.
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
2 years ago
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Detects the PowerShell command lines with special characters
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
3 years ago
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Yara rule that detects LimeRAT backdoor.
ReversingLabs Yara@ReversingLabsYara
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ReversingLabs Yara
3 years ago
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Detects a process that initiated a network connection over ports 5985 or 5986 from a non-network service account.
This could potentially indicates a remote PowerShell connection.
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
3 years ago
001
Detects changing the PowerShell script execution policy to a potentially insecure level using the "Set-ExecutionPolicy" cmdlet.
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
3 years ago
000
Detects Cmdlet names from PowerView of the PowerSploit exploitation framework.
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
3 years ago
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Detects various execution patterns of the CrackMapExec pentesting framework
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
3 years ago
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Detects suspicious child processes of a Windows shell and scripting processes such as wscript, rundll32, powershell, mshta...etc.
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
3 years ago
001
Detects suspicious powershell process starts with base64 encoded commands (e.g. Emotet)
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
4 years ago
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Detects command line parameters used by Bloodhound and Sharphound hack tools
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
4 years ago
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Detects the creation of a schtask that potentially executes a base64 encoded payload stored in the Windows Registry using PowerShell.
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
4 years ago
000
Detects usage of the "ConvertTo-SecureString" cmdlet via the commandline. Which is fairly uncommon and could indicate potential suspicious activity
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
4 years ago
002
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