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HighGood L.Threat hunting

Phantom Patched PHP-FPM Service Running Stale In-Memory Binary

Identifies hosts where php-fpm processes have been running continuously from memory despite package or binary updates on disk. Detects "phantom patching" where vulnerability scanners report systems as remediated…

Description

Identifies hosts where php-fpm processes have been running continuously from memory despite package or binary updates on disk. Detects "phantom patching" where vulnerability scanners report systems as remediated while running processes remain vulnerable to CVE-2026-109618 and CVE-2026-109619.

Detection logic

Detection requirements

Platform
ContainersESXiIaaSLinuxmacOSNetwork DevicesWindows

The rule states no platform. This is derived from the 0 ATT&CK techniques it maps to.

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