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Windows Process Injection In Non-Service SearchIndexer

The following analytic identifies instances of the searchindexer.exe process that are not spawned by services.exe, indicating potential process injection. This detection leverages data from Endpoint Detection and…

Description

The following analytic identifies instances of the searchindexer.exe process that are not spawned by services.exe, indicating potential process injection. This detection leverages data from Endpoint Detection and Response (EDR) agents, focusing on process names and parent processes. This activity is significant because QakBot malware often uses a fake searchindexer.exe to evade detection and perform malicious actions such as data exfiltration and keystroke logging. If confirmed malicious, this activity could allow attackers to maintain persistence, steal sensitive information, and communicate with command and control servers.

Detection logic

Detection requirements

Platform
LinuxmacOSWindows

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

Known benign triggers

  • No false positives have been identified at this time.

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