Detections

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

428 detections

Detects password dumper activity by monitoring remote thread creation (EventID 8) where the target process is 'lsass.exe'. The process initiating the remote thread is the malicious program. A single execution of such a tool can generate numerous events.
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
2 years ago
0024
This rule detects PowerShell scripts attempting to use specific Windows API functions that are commonly associated with malicious activities such as process injection (VirtualAlloc, OpenProcess, WriteProcessMemory, CreateRemoteThread), token manipulation (OpenProcessToken, LookupPrivilegeValue, AdjustTokenPrivileges, DuplicateTokenEx), and memory operations (ReadProcessMemory, VirtualFree). Detection relies on PowerShell Script Block Logging being enabled to capture the script content.
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
2 years ago
0024
This rule detects potential remote thread injection activities associated with the Bumblebee malware. Specifically, it looks for instances where 'wabmig.exe', 'wab.exe', or 'ImagingDevices.exe' create a remote thread in 'rundll32.exe'. This behavior is indicative of how Bumblebee operates to execute its malicious payload.
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
2 years ago
0022
This rule detects attempts by PowerShell processes (powershell.exe or pwsh.exe) to create a remote thread in the Local Security Authority Subsystem Service (LSASS) process. This activity is a common technique used by adversaries to dump credentials from memory.
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
2 years ago
0020
Detects the creation of a remote thread from a PowerShell process (powershell.exe or pwsh.exe) into another process. This activity can be indicative of process injection techniques used by adversaries to execute malicious code or evade defenses. A filter is included to exclude known legitimate activity from CompatTelRunner.exe.
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
2 years ago
0019
Detects remote thread creation in "KeePass.exe" which could indicates potential password dumping activity
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
2 years ago
002
Detects remote thread creation by PowerShell processes into "lsass.exe"
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
2 years ago
000
Detects password dumper activity by monitoring remote thread creation EventID 8 in combination with the lsass.exe process as TargetImage.
The process in field Process is the malicious program. A single execution can lead to hundreds of events.
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
2 years ago
000
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