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InformationalSplunk security contentTeoderick Contreras +1

Windows Svchost.exe Parent Process Anomaly

The following analytic detects an anomaly where an svchost.exe process is spawned by a parent process other than the standard services.exe. In a typical Windows environment, svchost.exe is a system process that hosts…

Description

The following analytic detects an anomaly where an svchost.exe process is spawned by a parent process other than the standard services.exe. In a typical Windows environment, svchost.exe is a system process that hosts Windows service DLLs, and is expected to be a child of services.exe. A process deviation from this hierarchy may indicate suspicious behavior, such as malicious code attempting to masquerade as a legitimate system process or evade detection. It is essential to investigate the parent process and associated behavior for further signs of compromise or unauthorized activity.

Detection logic

Detection requirements

Platform
LinuxmacOS

The rule states no platform. This is derived from the ATT&CK technique it maps to.

Log source category
sysmon_eventid_1windows_event_log_security_4688

Known benign triggers

  • Windows Update or other Windows Installer processes may launch their own svchost.exe processes that are not directly spawned by services.exe in certain edge cases (e.g., during patches or updates).

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