Detections

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

9,758 detections

Detects execution of the "mshta" utility with an argument containing the "http" keyword, which could indicate that an attacker is executing a remotely hosted malicious hta file
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
4 years ago
000
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
000
Execute Hashcat.exe with provided SAM file from registry of Windows and Password list to crack against
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
4 years ago
001
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 the execution of a renamed version of the "Mavinject" process. Which can be abused to perform process injection using the "/INJECTRUNNING" flag
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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
Detects usage of the "FromBase64String" function in the commandline which is used to decode a base64 encoded string
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
4 years ago
301
Detects PowerShell command line patterns in combincation with encoded commands that often appear in malware infection chains
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
4 years ago
000
Commandline to launch powershell with a base64 payload
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
4 years ago
000
Detects process injection using the signed Windows tool "Mavinject" via the "INJECTRUNNING" flag
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
4 years ago
001
Detects tampering of RDP Terminal Service/Server sensitive settings.
Such as allowing unauthorized users access to a system via the 'fAllowUnsolicited' or enabling RDP via 'fDenyTSConnections', etc.
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
4 years ago
001
Adversaries can interact with the DACLs using built-in Windows commands takeown which can grant adversaries higher permissions on specific files and folders
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
4 years ago
000
Detection of unusual child processes by different system processes
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
4 years ago
000
Once established within a system or network, an adversary may use automated techniques for collecting internal data.
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
4 years ago
001
Detects suspicious process patterns used in NTDS.DIT exfiltration
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
4 years ago
000
Shadow Copies creation using operating systems utilities, possible credential access
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
4 years ago
001
Detects when an adversary uses the reg.exe utility to add or modify new keys or subkeys
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
4 years ago
003
Executes SCT script using scrobj.dll from a command in entered into a specially prepared INF file.
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
4 years ago
101
Detects PowerShell scripts that make use of the "Compress-Archive" Cmdlet in order to compress folders and files where the output is stored in a potentially suspicious location that is used often by malware for exfiltration.
An adversary might compress data (e.g., sensitive documents) that is collected prior to exfiltration in order to make it portable and minimize the amount of data sent over the network.
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
4 years ago
002
Detects execution from an Alternate Data Stream (ADS). Adversaries may use NTFS file attributes to hide their malicious data in order to evade detection
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
4 years ago
002
Once established within a system or network, an adversary may use automated techniques for collecting internal data.
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
4 years ago
001
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