Detections

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

8,393 detections

Detects the registration of a debugger for a program that is available in the logon screen (sticky key backdoor).
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
2 years ago
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Detects a privilege elevation attempt by coercing NTLM authentication on the Printer Spooler service
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
2 years ago
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Detects scheduled task creation events that include suspicious actions, and is run once at 00:00
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
2 years ago
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Detects installation of a potentially suspicious new shim with an uncommon extension using sdbinst.exe.
Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by application shims
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
2 years ago
000
Detects suspicious command line flags that let the user set a target user and command as e.g. seen in PsExec-like tools
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
2 years ago
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Detects suspicious processes including shells spawnd from WinRM host process
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
2 years ago
000
Detects the usage and installation of a backdoor that uses an option to register a malicious debugger for built-in tools that are accessible in the login screen
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
2 years ago
000
Powerup tool's Write Hijack DLL exploits DLL hijacking for privilege escalation.
In it's default mode, it builds a self deleting .bat file which executes malicious command.
The detection rule relies on creation of the malicious bat file (debug.bat by default).
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
2 years ago
000
Detects when an attacker tries to disable User Account Control (UAC) by setting the registry value "EnableLUA" to 0.
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
2 years ago
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Detects processes setting a new DLL in DllName in under HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\W32Time\TimeProvider.
Adversaries may abuse time providers to execute DLLs when the system boots.
The Windows Time service (W32Time) enables time synchronization across and within domains.
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
3 years ago
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Detects scheduled task creation using "schtasks" that contain potentially suspicious or uncommon commands
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
3 years ago
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Detects installation of a new shim using sdbinst.exe.
Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by application shims
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
3 years ago
001
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 modification of autostart extensibility point (ASEP) in registry.
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
3 years ago
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Detects modification of autostart extensibility point (ASEP) in registry.
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
3 years ago
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Detect use of scrobj.dll as this DLL looks for the ScriptletURL key to get the location of the script to execute
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
3 years ago
002
Adversaries may abuse features of Winlogon to execute DLLs and/or executables when a user logs in.
Winlogon.exe is a Windows component responsible for actions at logon/logoff as well as the secure attention sequence (SAS) triggered by Ctrl-Alt-Delete.
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
3 years ago
002
Detects the addition of a new LogonScript to the registry value "UserInitMprLogonScript" for potential persistence
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
3 years ago
001
This rule detects the Minodo backdoor by identifying a combination of specific byte patterns (YARA signatures) within executable files. These patterns correspond to functions responsible for generating system IDs, encrypting and sending data, gathering system information, copying payloads into memory, and executing payloads from temporary locations. The presence of all these patterns indicates the likely presence of the Minodo backdoor.
ReversingLabs Yara@ReversingLabsYara
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ReversingLabs Yara
3 years ago
0028
Detects registry persistence technique using the GlobalFlags and SilentProcessExit keys
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
3 years ago
001
Detects a whoami.exe executed with the /priv command line flag instructing the tool to show all current user privileges. This is often used after a privilege escalation attempt.
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
4 years ago
000
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