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.
Detection logic
selection
Image|endswith: \HollowReaper.exeCondition
selectionRaw YAML
title: HackTool - HollowReaper Execution
id: 85d23b42-9a9d-4f8f-b3d7-d2733c1d58f5
status: experimental
description: |
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.
references:
- https://github.com/vari-sh/RedTeamGrimoire/tree/b5e7635d34db6e1f0398d8847e8f293186e947c5/HollowReaper
author: Swachchhanda Shrawan Poudel (Nextron Systems)
date: 2025-07-01
tags:
- attack.privilege-escalation
- attack.stealth
- attack.t1055.012
logsource:
category: process_creation
product: windows
detection:
selection:
Image|endswith: '\HollowReaper.exe'
condition: selection
falsepositives:
- Unknown
level: highFalse positives
- Unknown