SigmaHQ Detections
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6,797 detections
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Detects unusual parent or children of the wab.exe (Windows Contacts) and Wabmig.exe (Microsoft Address Book Import Tool) processes as seen being used with bumblebee activity
Detects execution of "WerFault.exe" with the "-pr" commandline flag that is used to run files stored in the ReflectDebugger key which could be used to store the path to the malware in order to masquerade the execution flow
Detects the execution of Winrs.exe where it is used to execute commands locally.
Commands executed this way are launched under Winrshost.exe and can represent proxy execution used for defense evasion or lateral movement.
Commands executed this way are launched under Winrshost.exe and can represent proxy execution used for defense evasion or lateral movement.
Detects the execution of "Wlrmdr.exe" with the "-u" command line flag which allows anything passed to it to be an argument of the ShellExecute API, which would allow an attacker to execute arbitrary binaries.
This detection also focuses on any uncommon child processes spawned from "Wlrmdr.exe" as a supplement for those that posses "ParentImage" telemetry.
This detection also focuses on any uncommon child processes spawned from "Wlrmdr.exe" as a supplement for those that posses "ParentImage" telemetry.
Detects potential execution of the SquiblyTwo technique that leverages Windows Management Instrumentation (WMI)
to execute malicious code remotely. This technique bypasses application whitelisting by using wmic.exe to process
malicious XSL (eXtensible Stylesheet Language) scripts that can contain embedded JScript or VBScript.
The attack typically works by fetching XSL content from a remote source (using HTTP/HTTPS) and executing it
with full trust privileges directly in memory, avoiding disk-based detection mechanisms. This is a common
LOLBin (Living Off The Land Binary) technique used for defense evasion and code execution.
to execute malicious code remotely. This technique bypasses application whitelisting by using wmic.exe to process
malicious XSL (eXtensible Stylesheet Language) scripts that can contain embedded JScript or VBScript.
The attack typically works by fetching XSL content from a remote source (using HTTP/HTTPS) and executing it
with full trust privileges directly in memory, avoiding disk-based detection mechanisms. This is a common
LOLBin (Living Off The Land Binary) technique used for defense evasion and code execution.
Detects execution of the binary "wpbbin" which is used as part of the UEFI based persistence method described in the reference section
Detects uncommon or suspicious child processes spawning from a WSL process. This could indicate an attempt to evade parent/child relationship detections or persistence attempts via cron using WSL
Detects the use of the Windows Update Client binary (wuauclt.exe) for proxy execution.
Detects suspicious Windows Update Agent activity in which a wuauclt.exe process command line doesn't contain any command line flags
Detects the execution of Xwizard tool from a non-default directory.
When executed from a non-default directory, this utility can be abused in order to side load a custom version of "xwizards.dll".
When executed from a non-default directory, this utility can be abused in order to side load a custom version of "xwizards.dll".
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