Detections
Explore public detection logic contributed by the community across SIEM and rule languages.
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Detects attempts to modify Microsoft Defender settings, such as adding file path exclusions via PowerShell, Registry manipulation, or Scheduled Tasks, as well as disabling Tamper Protection. These actions are commonly used by attackers to evade security monitoring by hiding malicious files or disabling protective features.
Detects the creation of scheduled tasks using schtasks.exe or PowerShell that reference OneDriveUpdater or specific AccountPictures/Automata paths, which are often used by adversaries to establish persistence or run malicious code.
Detects malicious scheduled task creation using names associated with Microsoft Edge updates, or the execution of PowerShell commands that utilize encoded arguments and known APT36 download cradles, indicating an attempt to establish persistence or retrieve secondary payloads.
Detects the creation of a scheduled task or registry manipulation involving the string 'psychedelicloveUtils' occurring within 30 minutes of the execution of the process 'psychedeliclove.exe'. This pattern is indicative of a persistence mechanism being established by potentially malicious software.
Detects the creation of a scheduled task containing the string 'Google Chrome Update' in the command line, where the task is not the legitimate 'GoogleUpdateTaskMachine' task. The rule specifically targets tasks that execute PowerShell or arbitrary executables, which is a common persistence technique used by adversaries to mask malicious tasks as legitimate software updates.
Detects the creation, modification, or renaming of plist files within macOS LaunchAgent directories that match a specific naming pattern (com.[16 letters].plist). This pattern is often used by malware or unauthorized scripts to establish persistence. The rule excludes common, legitimate system processes like Installer and softwareupdated.
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 instances where known NetSupport Manager binaries (client32.exe, netsupportmanager.exe, pcicfgnt.exe) are used to perform persistence-related actions, such as creating a new Windows service, adding a scheduled task, or modifying Run/Winlogon registry keys.
This rule identifies potential persistence activity on a Windows host by correlating multiple indicators such as service creation, scheduled tasks, registry run key modifications, Winlogon helper modifications, and driver loading. It specifically monitors for indicators associated with 'NetSupport' or 'client32' filenames or services. The rule triggers when two or more distinct persistence mechanisms are detected for the same host and user.
Detects the creation or modification of scheduled tasks (cron jobs) located within web application log directories (e.g., JBoss, Tomcat, Wildfly) that exhibit behavior consistent with malicious file reinjection. This rule correlates suspicious cron activity with recurring modifications to sensitive web files (e.g., JS bundles, checkout pages), indicating persistent skimmer activity that survives redeployment.
Detects the creation of scheduled tasks using the 'schtasks.exe' utility that involve indicators often associated with malicious behavior, such as targeting temporary or publicly writable directories ('appdata', 'temp', 'programdata') or employing suspicious command-line flags (e.g., encoded commands, highest privileges, or execution on system startup).
Detects the creation of scheduled tasks using schtasks.exe or Event ID 4698 that involve suspicious binaries (e.g., powershell, mshta), execution from user-writable directories, or tasks configured to run with SYSTEM privileges, which are common indicators of persistence establishment.
This rule monitors process creation events for suspicious activity, specifically detecting two patterns: 1) The creation of a scheduled task named 'OneDrive KeepAlive' using schtasks.exe, which is indicative of persistence mechanisms masquerading as legitimate software, and 2) Execution of the 'taskhostw.exe' binary with command-line arguments 'exec' and 'hide', which is a common indicator of the NirCmd utility being renamed and used for stealthy execution.
This rule detects potential persistence mechanisms and suspicious execution patterns associated with the ChainScript malware. It specifically monitors for the creation of scheduled tasks using PowerShell with indicators like 'StreamServiceSharedBridge.ps1' or 'ComponentTask33Agent', and the execution of VBScript-based agents via wscript.exe. It also flags tasks configured with specific execution time limits often associated with this malware's behavior.
This rule detects potential persistence mechanisms and suspicious execution patterns associated with the ChainScript malware. It specifically monitors for the creation of scheduled tasks using PowerShell with indicators like 'StreamServiceSharedBridge.ps1' or 'ComponentTask33Agent', and the execution of VBScript-based agents via wscript.exe. It also flags tasks configured with specific execution time limits often associated with this malware's behavior.
Detects DragonForce ransomware behavior where the binary is copied to a staging directory (typically C:\Users\Public\) and subsequently registered as a persistent, one-time execution scheduled task with SYSTEM privileges using COM interfaces or schtasks.exe.
This rule monitors for suspicious process execution patterns that suggest system tampering, security tool evasion, or data concealment. It detects activities such as clearing event logs, modifying Windows Defender preferences (exclusions/real-time monitoring), creating suspicious scheduled tasks, deleting volume shadow copies, and using PowerShell for credential or system state manipulation.
Detects anomalous post-exploitation behaviors such as mass file modifications, lateral movement (SMB/RDP), or persistence mechanisms (scheduled tasks/services) following ScreenConnect client session activity. This behavior is indicative of potential exploitation of ScreenConnect to deploy ransomware or move laterally within the network.
Detects signs of NetSupport Manager (client32.exe) establishing multiple persistence mechanisms simultaneously or in quick succession, including Windows service creation, Winlogon helper registration, Registry Run key modification, scheduled task creation, and keyboard filter driver installation. This behavior is indicative of unauthorized use of remote access tools to maintain persistence on a host.
Detects the creation of a scheduled task named 'StandAloneOneDriveUpdater-2626' using either PowerShell or the schtasks utility. This naming pattern is often associated with malware attempting to persist on a system by masquerading as a legitimate OneDrive update process.
Detects the deployment and activity of SilkParasite-associated Linux threats, including XMRig cryptocurrency miner shell scripts and standalone Meterpreter agents. The rule also captures the execution of a custom Python fleet-scanning tool used to interact with exposed Redis instances for unauthorized command execution and infrastructure management.
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