SigmaHQ Detections
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6,800 detections
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Detects usage of "cdb.exe" to launch arbitrary processes or commands from a debugger script file
Detects when a user installs certificates by using CertOC.exe to load the target DLL file.
Detects cmd.exe executing commands with the "start" utility using "/b" (no window) or "/min" (minimized) flags.
To reduce false positives from standard background tasks, detection is restricted to scenarios where the target is a known script extension or located in suspicious temporary/public directories.
This technique was observed in Chaos, DarkSide, and Emotet malware campaigns.
To reduce false positives from standard background tasks, detection is restricted to scenarios where the target is a known script extension or located in suspicious temporary/public directories.
This technique was observed in Chaos, DarkSide, and Emotet malware campaigns.
Detects execution of the builtin "rmdir" command in order to delete directories.
Adversaries may delete files left behind by the actions of their intrusion activity.
Malware, tools, or other non-native files dropped or created on a system by an adversary may leave traces to indicate to what was done within a network and how.
Removal of these files can occur during an intrusion, or as part of a post-intrusion process to minimize the adversary's footprint.
Adversaries may delete files left behind by the actions of their intrusion activity.
Malware, tools, or other non-native files dropped or created on a system by an adversary may leave traces to indicate to what was done within a network and how.
Removal of these files can occur during an intrusion, or as part of a post-intrusion process to minimize the adversary's footprint.
Control Panel Items
Sigma
Detects the malicious use of a control panel item
Csi.exe is a signed binary from Microsoft that comes with Visual Studio and provides C# interactive capabilities. It can be used to run C# code from a file passed as a parameter in command line. Early version of this utility provided with Microsoft “Roslyn” Community Technology Preview was named 'rcsi.exe'
Detects the use of the PhoneDeepLink parameter to potentially sideload a DLL file that does not exist. This non-existent DLL file is named "ShellChromeAPI.dll".
Adversaries can drop their own renamed DLL and execute it via DeviceEnroller.exe using this parameter
Adversaries can drop their own renamed DLL and execute it via DeviceEnroller.exe using this parameter
Detects a certain command line flag combination used by "devinit.exe", which can be abused as a LOLBIN to download arbitrary MSI packages on a Windows system
Detects the execution of "dotnet-dump" with the "collect" flag. The execution could indicate potential process dumping of critical processes such as LSASS.
Detects usage of findstr to identify and execute a lnk file as seen within the HHS redirect attack
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