rules/windows/process_creation/proc_creation_win_lolbin_customshellhost.yml

title: Suspicious CustomShellHost Execution
id: 84b14121-9d14-416e-800b-f3b829c5a14d
status: test
description: Detects the execution of CustomShellHost binary where the child isn't located in 'C:\Windows\explorer.exe'
references:
    - https://github.com/LOLBAS-Project/LOLBAS/pull/180
    - https://lolbas-project.github.io/lolbas/Binaries/CustomShellHost/
author: Nasreddine Bencherchali (Nextron Systems)
date: 2022-08-19
tags:
    - attack.defense-evasion
    - attack.t1216
logsource:
    category: process_creation
    product: windows
detection:
    selection:
        ParentImage|endswith: '\CustomShellHost.exe'
    filter:
        Image: 'C:\Windows\explorer.exe'
    condition: selection and not filter
falsepositives:
    - Unknown
level: medium
LOLBIN Updates 2022-08-19 23:05:46 +01:00			`title: Suspicious CustomShellHost Execution`
			`id: 84b14121-9d14-416e-800b-f3b829c5a14d`
$frack113$ Merge PR #4479 From @frack113 - Upgrade Rules Status 2023-10-17 14:35:26 +02:00			`status: test`
LOLBIN Updates 2022-08-19 23:05:46 +01:00			`description: Detects the execution of CustomShellHost binary where the child isn't located in 'C:\Windows\explorer.exe'`
			`references:`
			`- https://github.com/LOLBAS-Project/LOLBAS/pull/180`
feat: add mfdetours unsigned sideload 2023-08-14 09:43:11 +02:00			`- https://lolbas-project.github.io/lolbas/Binaries/CustomShellHost/`
chore: add nextron authors tag 2023-02-01 11:14:59 +01:00			`author: Nasreddine Bencherchali (Nextron Systems)`
Merge PR #4950 from @nasbench - Comply With v2 Spec Changes 2024-08-12 12:02:50 +02:00			`date: 2022-08-19`
LOLBIN Updates 2022-08-19 23:05:46 +01:00			`tags:`
Merge PR #4950 from @nasbench - Comply With v2 Spec Changes 2024-08-12 12:02:50 +02:00			`- attack.defense-evasion`
LOLBIN Updates 2022-08-19 23:05:46 +01:00			`- attack.t1216`
			`logsource:`
			`category: process_creation`
			`product: windows`
			`detection:`
			`selection:`
Update proc_creation_win_lolbin_customshellhost.yml 2022-08-20 10:27:40 +02:00			`ParentImage\|endswith: '\CustomShellHost.exe'`
LOLBIN Updates 2022-08-19 23:05:46 +01:00			`filter:`
Update proc_creation_win_lolbin_customshellhost.yml 2022-08-20 10:27:40 +02:00			`Image: 'C:\Windows\explorer.exe'`
LOLBIN Updates 2022-08-19 23:05:46 +01:00			`condition: selection and not filter`
			`falsepositives:`
			`- Unknown`
			`level: medium`