Detections
Explore public detection logic contributed by the community across SIEM and rule languages.
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This rule detects various activities associated with the Nimbus Manticore implant, including its process execution with a specific argument, the creation of a scheduled task for persistence, and the staging of malicious files in a specific AppData directory. It looks for the execution of 'setup.exe' with 'doit' argument, the creation of a scheduled task containing 'BackupCheck', and the creation of specific files like 'setup.exe.config', 'TOTPGuard.dll', 'main.dll', and 'setup.exe' within the '\AppData\Roaming\2FAGuard\' folder.
Detects the creation of scheduled tasks using an XML file located in a temporary directory, a technique used by DesckVB for stealthy persistence.
Remote AT Scheduled Job Creation
Suricata
This rule detects attempts to create scheduled jobs remotely using the 'atsvc' service, typically associated with the Windows Task Scheduler. It specifically looks for TCP traffic on port 445 (SMB) containing the string 'atsvc' in an established flow to the home network. This activity can be indicative of an adversary establishing persistence or executing code remotely.
This rule detects the creation of a scheduled task named 'MicrosoftSystem64' using various methods. It looks for command-line execution of 'schtasks.exe /create' with the specific task name, explicit ScheduledTaskCreated events from Microsoft Defender for Endpoint (MDE) containing 'MicrosoftSystem64', and Windows Security Event ID 4698 (Scheduled Task Created) where the TaskName contains 'MicrosoftSystem64'. This specific task name is associated with known threat actor activity, particularly FAMOUS CHOLLIMA / DPRK-linked actors deploying Node.js SEA RAT.
Identifies the creation, execution, or deletion of specific scheduled tasks ('\Mozilla\ElevateTask' or '\Mozilla\UpdateTask') used by Payouts King ransomware for persistence and SYSTEM elevation.
Detects the creation of a scheduled task named 'Microsoft Display Manager' using schtasks.exe. This specific task name is associated with the BoldTealLayer malware loader, which uses this persistence mechanism when running with administrative privileges.
Detects creation of scheduled tasks followed by execution of pcalua.exe on the same endpoint. This combination was observed by Huntress during RedCurl intrusions and is uncommon in legitimate enterprise activity.
This rule detects the creation of scheduled tasks using `schtasks.exe` or `at.exe` with specific command-line arguments (`/create`, `/tn`, and either `/ru` or `/tr`). It then correlates these process events with registry events related to Task Scheduler keys or values containing "Task" to identify potential persistence mechanisms.
This rule detects the creation of scheduled tasks (`schtasks.exe /create`) where the command line arguments contain suspicious executables or paths commonly associated with malicious activity. This indicates a potential persistence mechanism being established by an adversary.
Detects the creation of scheduled tasks that explicitly call mshta.exe, matching the persistence mechanism of the CountLoader payload launcher.
Darktrace researchers identified a Twill Typhoon–linked China‑nexus campaign targeting APJ customers. The activity observed includes CDN impersonation, legitimate binaries, and DLL sideloading to deploy a modular .NET RAT.
Detects the creation of a specific scheduled task (TempLogA) used by ModeloRAT to establish persistence and maintain SYSTEM-level access on compromised hosts. The rule looks for `schtasks.exe` execution with `/create`, `TempLogA`, and `SYSTEM` in the command line.
Detects the creation of scheduled tasks named 'ChromeCheck' or 'EdgeCheck' that execute regsvr32.exe. This behavior is associated with Kimsuky's MemLoad loader, which establishes persistence to deploy the httpTroy backdoor.
Detects the creation of a specific scheduled task (TempLogA) used by ModeloRAT to establish persistence and maintain SYSTEM-level access on compromised hosts. The rule looks for `schtasks.exe` execution with `/create`, `TempLogA`, and `SYSTEM` in the command line.
Detects the creation of a SYSTEM-level scheduled task using 'schtasks.exe' that launches 'pythonw.exe' with 'Pmanager.py'. This activity is indicative of the KongTuke threat actor establishing persistence for ModeloRAT, ensuring long-term access to the compromised system.
Phantom Bot Task Persistence
Cortex XDR
Detects the creation of a scheduled task named 'SystemUpdate' calling the node executable, an indicator of the 'axois-utils' phantom bot persistence. This rule specifically looks for `schtasks.exe` being used with `/create`, `SystemUpdate`, and `node` in the command line.
Matanbuchus 3.0 Scheduled Task Creation
Cortex XDR
This rule detects the creation of a scheduled task named 'Update Tracker Task' using either 'schtasks.exe' or PowerShell cmdlets ('Register-ScheduledTask', 'New-ScheduledTask'). This specific task name has been associated with the Matanbuchus 3.0 loader.
Matanbuchus 3.0 Scheduled Task Creation
Cortex XDR
This rule detects the creation of a scheduled task named 'Update Tracker Task' using either 'schtasks.exe' or PowerShell cmdlets ('Register-ScheduledTask', 'New-ScheduledTask'). This specific task name has been associated with matanbuchus 3.0 loader.
Detects the creation of a scheduled task named 'WindowsHelper', which is used by Operation HumanitarianBait for persistence to launch its Python implant every 5 minutes. This rule specifically looks for command-line executions of 'schtasks.exe' or commands containing 'schtasks' that include '/create' and the task name 'WindowsHelper'.
Matanbuchus 3.0 Scheduled Task Creation
Cortex XDR
This rule detects the creation of a scheduled task named 'Update Tracker Task' using either 'schtasks.exe' or PowerShell cmdlets ('Register-ScheduledTask', 'New-ScheduledTask'). This specific task name has been associated with the Matanbuchus 3.0 loader.
Detects the creation of a scheduled task named 'MicrosoftEdgeUpdate' that leverages PowerShell to download and execute a payload. This technique was observed in an Iranian-Nexus operation against Oman's government.
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