Detections
Explore public detection logic contributed by the community across SIEM and rule languages.
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Detects the creation of scheduled tasks using the 'schtasks.exe' utility that point to suspicious script execution, encoded commands, or files located in commonly abused writable directories like Temp or ProgramData. This behavior is indicative of potential persistence mechanisms.
This rule detects suspicious persistence activity involving known tools or names that are often masqueraded. It looks for the creation of registry run keys or scheduled tasks using names associated with common tools ('Canon Configuration Reader', 'Stardock DeElevation Tool') when the initiating process is not located in the expected vendor-authorized directories. The rule specifically alerts on devices exhibiting these behaviors within a short time window.
This rule detects suspicious persistence activity involving known tools or names that are often masqueraded. It looks for the creation of registry run keys or scheduled tasks using names associated with common tools ('Canon Configuration Reader', 'Stardock DeElevation Tool') when the initiating process is not located in the expected vendor-authorized directories. The rule specifically alerts on devices exhibiting these behaviors within a short time window.
This rule detects suspicious persistence activity involving known tools or names that are often masqueraded. It looks for the creation of registry run keys or scheduled tasks using names associated with common tools ('Canon Configuration Reader', 'Stardock DeElevation Tool') when the initiating process is not located in the expected vendor-authorized directories. The rule specifically alerts on devices exhibiting these behaviors within a short time window.
Detects the execution of the Chisel C2 tool by matching its unique command-line grammar, specifically the 'client' subcommand combined with reverse remote ('R:') configurations. This detection strategy is resilient against binary renaming and infrastructure rotation by focusing on the tool's required argument structure rather than static IOCs like filenames or C2 addresses. It is specifically useful for identifying unauthorized remote tunnels used for persistence and data exfiltration.
Detects the creation of multiple suspicious scheduled tasks using schtasks.exe initiated by scripting engines (wscript.exe, cscript.exe). The rule filters for specific task names associated with known malicious patterns and XML definition files located in a specific directory path, identifying potential automated persistence or malware installation behavior.
Detects the creation of multiple suspicious scheduled tasks using schtasks.exe initiated by scripting engines (wscript.exe, cscript.exe). The rule filters for specific task names associated with known malicious patterns and XML definition files located in a specific directory path, identifying potential automated persistence or malware installation behavior.
Detects the creation or execution of a scheduled task named 'CreateObjectTask' via schtasks or PowerShell, which is associated with spawning 'dllhost.exe' as a child process under high-privileged parent processes (svchost, taskeng, or schtasks). This behavior is indicative of potential COM hijacking or privilege escalation techniques leveraging system tasks.
Detects the creation of a scheduled task named 'OneDriveUpdateScheduler' and the subsequent execution of 'update1.ps1' or 'update2.ps1' by 'explorer.exe'. This behavior is associated with the Konni/VelvetCake malware families, which use this technique to maintain persistence and C2 connectivity.
Detects the creation of a scheduled task via schtasks.exe initiated by wscript.exe or cscript.exe where the task configuration or execution occurs within common user-writable directories (e.g., AppData, Temp, Downloads). The rule specifically flags behavior involving multiple task invocations in a short time frame, which is indicative of persistence mechanisms used by scripts.
Detects creation of the 'keyroll' scheduled task used to relaunch the Sauron Loader DLL side-loading chain. Requires the schtasks.exe command line to both reference the 'keyroll' task name AND explicitly reference the ProgramData\keyroll path or rnpkeys.exe (ruling out unrelated tasks that happen to be named 'keyroll', e.g. legitimate key-rotation automation), and requires an INNER join corroborating an actual rnpkeys.exe relaunch from that path within 24h — a lone task-creation event with no follow-on relaunch no longer alerts.
Detects a suspicious sequence of events where a process creates a scheduled task named 'WindowsUpdate' followed by execution of 'netsh' commands to dump wireless profiles or clear keys within a 15-minute window. This behavioral pattern is often associated with credential-stealing malware attempting to establish persistence and harvest sensitive information.
Detects the creation of scheduled tasks using schtasks.exe or Event ID 4698, specifically filtering for tasks that execute PowerShell, WScript, or JavaScript files. This behavior is indicative of potential persistence mechanisms, such as those observed in the LausivLoader.
This rule detects the creation or registration of scheduled tasks using common scripting engines (PowerShell, WScript, CScript) or specific task name patterns (MicrosoftEdgeUpdateTaskCore, PhotoStudio.js) often associated with malicious persistence or execution. It monitors command lines for flags such as /create, /sc onlogon, or /ru system that suggest non-standard or unauthorized task creation patterns.
Detects the execution of 'ReportDump.exe' from within the 'C:\ProgramData' directory when initiated by system processes associated with scheduled tasks (svchost.exe, taskeng.exe, schtasks.exe) containing 'Schedule' in the command line. This behavior is indicative of potential persistence mechanisms or malicious file execution using legitimate Windows scheduling utilities.
Detects the execution of 'ReportDump.exe' from within the 'C:\ProgramData' directory when initiated by system processes associated with scheduled tasks (svchost.exe, taskeng.exe, schtasks.exe) containing 'Schedule' in the command line. This behavior is indicative of potential persistence mechanisms or malicious file execution using legitimate Windows scheduling utilities.
This rule monitors for coordinated persistence efforts by detecting the occurrence of at least two out of three specific persistence techniques (registry run key modification, scheduled task creation, or WMI-based script execution) on the same device within a 30-minute window. It explicitly filters out activities from signed binaries or those occurring in standard system/application directories, focusing on potentially malicious artifacts originating from user-writable locations.
Detects suspicious PowerShell activity involving compression commands (e.g., Expand-Archive) within APPDATA, correlated with the execution of hypersnap.exe with hidden window arguments, and the creation of persistence via scheduled tasks. This pattern is indicative of automated staging or malicious tool execution and persistence setup.
Detects suspicious behavior where an identical executable (same path and SHA256) is launched twice within a short window (60 minutes) following a system reboot, utilizing two distinct persistence methods: one triggered via the Task Scheduler (under svchost.exe -k netsvcs) and one via a user logon autostart mechanism (spawned by explorer.exe).
Detects the creation of scheduled tasks initiated by the WinGet DSC configuration processes, specifically ConfigurationRemotingServer.exe or WindowsPackageManagerServer.exe. This activity is indicative of the abuse of the 'ScheduledTask' resource within a WinGet configuration file to establish persistence via a logon-triggered task.
Detects the creation of a suspicious scheduled task named 'MicrosoftMusicLibrariesPackageTaskMachine' and the execution of 'codeflush.exe' involving 'settingenv.cat'. These activities are associated with persistence and defense evasion techniques often used by malicious actors.
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