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HackTool - HollowReaper Execution

Detects usage of HollowReaper, a process hollowing shellcode launcher used for stealth payload execution through process hollowing. It replaces the memory of a legitimate process with custom shellcode, allowing the attacker to execute payloads under the guise of trusted binaries.

ATT&CK coverage

Privilege Escalation

T1055Process InjectionAlso under Stealth.
- T1055.012Process Hollowing 9 detections cover this technique

Detection requirements

Log source product: windows
Log source category: process_creation

Detection logic

Published to signed-in readers

The query as its source wrote it, its canonical form, and the content hash that pins this exact revision.

Provenance

Where this detection came from, and what you may do with it.

At source: Open at source
Written by: Swachchhanda Shrawan Poudel (Nextron Systems)
Licence: Detection Rule License 1.1Read the licence
Published: Aug 26, 2026
Version: 1