Detections
Explore public detection logic contributed by the community across SIEM and rule languages.
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Detects unauthorized attempts to disable or stop critical Windows Update services (wuauserv, UsoSvc, uhssvc, WaaSMedicSvc) via command line tools or service configuration changes. This behavior is indicative of defense evasion by malware such as Silver Fox/Gh0st RAT, aimed at preventing security updates or disabling security-related service monitoring.
This rule detects the creation of a scheduled task intended to run an executable named 'wsc_updata.exe' from a temporary directory, or identifies svchost.exe initiating a process from that location. Such behavior is indicative of potential persistence mechanisms where malicious actors attempt to run code from unauthorized or writable directories under the context of system processes or scheduled tasks.
This rule detects attempts to disable, terminate, or misconfigure security software, including antivirus, EDR, and endpoint protection solutions, by monitoring the execution of system administration binaries (such as taskkill, net, sc, wmic, powershell) with command-line arguments indicating service or process stopping, deletion, or configuration changes related to security-specific product names.
Detects post-exploitation persistence artifacts on Windows endpoints consistent with abuse of CVE-2026-18577.
Detects the creation of Windows services immediately following a network logon event (Logon Type 3) using NTLM or Kerberos. The rule monitors for service names or file paths characteristic of PsExec-style remote execution tools, specifically focusing on suspicious paths (e.g., Temp, UNC paths) or file extensions (e.g., .bat, .ps1, .tmp) used by attackers to execute payloads laterally.
This rule detects potentially malicious activity involving the manipulation of Windows services using 'sc.exe' to stop or delete services, combined with the forceful termination of 'svchost.exe' processes via 'wmic.exe'. This pattern is often associated with adversaries attempting to disable security tools, logging agents, or other defensive mechanisms on an endpoint.
Detects the creation of scheduled tasks using the 'schtasks.exe' utility that reference suspicious paths (AppData/Local or Roaming) or specific executables often associated with suspicious activity (Launcher.exe, GapiUpdate.exe) in conjunction with 'DeviceSetupManager'. Additionally, it includes a hash-based detection for a specific known malicious file artifact.
Detects the creation of scheduled tasks using the 'schtasks.exe' utility that reference suspicious paths (AppData/Local or Roaming) or specific executables often associated with suspicious activity (Launcher.exe, GapiUpdate.exe) in conjunction with 'DeviceSetupManager'. Additionally, it includes a hash-based detection for a specific known malicious file artifact.
Detects the creation of scheduled tasks using the 'schtasks.exe' utility that reference suspicious paths (AppData/Local or Roaming) or specific executables often associated with suspicious activity (Launcher.exe, GapiUpdate.exe) in conjunction with 'DeviceSetupManager'. Additionally, it includes a hash-based detection for a specific known malicious file artifact.
Detects the creation of Windows services immediately following a network logon event (Logon Type 3) using NTLM or Kerberos. The rule monitors for service names or file paths characteristic of PsExec-style remote execution tools, specifically focusing on suspicious paths (e.g., Temp, UNC paths) or file extensions (e.g., .bat, .ps1, .tmp) used by attackers to execute payloads laterally.
This rule detects the creation of Windows services with specific, potentially suspicious names (wscl-13, msvcsrvc) configured to start automatically on system startup. The detection logic monitors command-line activity from sc.exe or services.exe to identify these specific service registrations.
Detects the execution of the Windows shutdown utility (shutdown.exe) with parameters configured to force an immediate reboot (/r /t 0 /f). This behavior is often associated with disruptive activities or attempts to clear system state by unauthorized actors.
Detects attempts to modify or disable the Windows Update service (wuauserv) using command-line utilities (sc.exe, cmd.exe, powershell.exe) in a context involving 'LockAppHost.exe'. This pattern is often associated with unauthorized attempts to tamper with security update mechanisms to prevent system patching.
Detects the deletion of registry keys associated with Windows SafeBoot configuration. Adversaries may delete these keys to disrupt system recovery mechanisms, preventing administrators from booting the system into Safe Mode to diagnose or remove malicious software.
Detects attempts to modify or disable the Windows Update service (wuauserv) using command-line utilities (sc.exe, cmd.exe, powershell.exe) in a context involving 'LockAppHost.exe'. This pattern is often associated with unauthorized attempts to tamper with security update mechanisms to prevent system patching.
Detects suspicious service installation patterns involving WmiPrvSE, common in lateral movement techniques.
Detects post-exploitation persistence artifacts on Windows endpoints consistent with abuse of CVE-2026-18577.
Detects the use of bcdedit.exe to disable automatic system recovery features, a common technique used by ransomware and other malware to prevent automated restoration of the operating system after compromise.
Detects the creation of a scheduled task named 'Windows Update ALPHV' using the schtasks.exe utility. This task is associated with the OpnKey ransomware, which uses this name to masquerade as a legitimate Windows Update task while running with SYSTEM privileges to maintain persistence.
Detects the starting of the RemoteRegistry service via command-line utilities such as 'sc.exe' or 'net.exe'. This service is often started by adversaries to facilitate remote access to the Windows Registry for reconnaissance or enumeration of logon sessions.
Detects attempts to tamper with or destroy Windows Boot Configuration Data (BCD) using bcdedit.exe to weaken system security policies or registry-based deletion of the BCD store to inhibit system boot and recovery.
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