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---
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Name : Bitsadmin.exe
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Description : Used for managing background intelligent transfer
Author : 'Oddvar Moe'
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Created : 2018-05-25
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Commands :
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- Command : bitsadmin /create 1 bitsadmin /addfile 1 c:\windows\system32\cmd.exe c:\data\playfolder\cmd.exe bitsadmin /SetNotifyCmdLine 1 c:\data\playfolder\1.txt:cmd.exe NULL bitsadmin /RESUME 1 bitsadmin /complete 1
Description : Create a bitsadmin job named 1, add cmd.exe to the job, configure the job to run the target command from an Alternate data stream, then resume and complete the job.
Usecase : Performs execution of specified file in the alternate data stream, can be used as a defensive evasion or persistence technique.
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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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- Command : bitsadmin /create 1 bitsadmin /addfile 1 https://live.sysinternals.com/autoruns.exe c:\data\playfolder\autoruns.exe bitsadmin /RESUME 1 bitsadmin /complete 1
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Description : Create a bitsadmin job named 1, add cmd.exe to the job, configure the job to run the target command, then resume and complete the job.
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Usecase : Download file from Internet
Category : Download
Privileges : User
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 : bitsadmin /create 1 & bitsadmin /addfile 1 c:\windows\system32\cmd.exe c:\data\playfolder\cmd.exe & bitsadmin /RESUME 1 & bitsadmin /Complete 1 & bitsadmin /reset
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Description : Command for copying cmd.exe to another folder
Usecase : Copy file
Category : Copy
Privileges : User
MitreID : T1105
OperatingSystem : Windows vista, Windows 7, Windows 8, Windows 8.1, Windows 10
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- Command : bitsadmin /create 1 & bitsadmin /addfile 1 c:\windows\system32\cmd.exe c:\data\playfolder\cmd.exe & bitsadmin /SetNotifyCmdLine 1 c:\data\playfolder\cmd.exe NULL & bitsadmin /RESUME 1 & bitsadmin /Reset
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Description : One-liner that creates a bitsadmin job named 1, add cmd.exe to the job, configure the job to run the target command, then resume and complete the job.
Usecase : Execute binary file specified. Can be used as a defensive evasion.
Category : Execute
Privileges : User
MitreID : T1218
OperatingSystem : Windows vista, Windows 7, Windows 8, Windows 8.1, Windows 10
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Full_Path :
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- Path : C:\Windows\System32\bitsadmin.exe
- Path : C:\Windows\SysWOW64\bitsadmin.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/90ca1a8ad2e5c96d09a9ae4ff92483a2110d49ff/rules/windows/process_creation/win_process_creation_bitsadmin_download.yml
- Sigma : https://github.com/SigmaHQ/sigma/blob/abcaf00aeef3769aa2a6f66f7fb6537b867c1691/rules/proxy/proxy_ua_bitsadmin_susp_tld.yml
- Sigma : https://github.com/SigmaHQ/sigma/blob/e40b8592544721c689f8ae96477ea1218e4c7a05/rules/windows/process_creation/win_monitoring_for_persistence_via_bits.yml
- Splunk : https://github.com/splunk/security_content/blob/3f77e24974239fcb7a339080a1a483e6bad84a82/detections/endpoint/bitsadmin_download_file.yml
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- IOC : Child process from bitsadmin.exe
- IOC : bitsadmin creates new files
- IOC : bitsadmin adds data to alternate data stream
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Resources :
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- Link : https://www.slideshare.net/chrisgates/windows-attacks-at-is-the-new-black-26672679
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- Link : https://www.youtube.com/watch?v=_8xJaaQlpBo
- Link : https://gist.github.com/api0cradle/cdd2d0d0ec9abb686f0e89306e277b8f
Acknowledgement :
- Person : Rob Fuller
Handle : '@mubix'
- Person : Chris Gates
Handle : '@carnal0wnage'
- Person : Oddvar Moe
Handle : '@oddvarmoe'