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36 lines
2.2 KiB
YAML
36 lines
2.2 KiB
YAML
---
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Name: Cscript.exe
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Description: Binary used to execute scripts in Windows
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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: cscript //e:vbscript c:\ads\file.txt:script.vbs
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Description: Use cscript.exe to exectute a Visual Basic script stored in an Alternate Data Stream (ADS).
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Usecase: Can be used to evade defensive countermeasures or to hide as a persistence mechanism
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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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Full_Path:
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- Path: C:\Windows\System32\cscript.exe
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- Path: C:\Windows\SysWOW64\cscript.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/62d4fd26b05f4d81973e7c8e80d7c1a0c6a29d0e/rules/windows/process_creation/proc_creation_win_wscript_cscript_script_exec.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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- Elastic: https://github.com/elastic/detection-rules/blob/61afb1c1c0c3f50637b1bb194f3e6fb09f476e50/rules/windows/defense_evasion_unusual_dir_ads.toml
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- Elastic: https://github.com/elastic/detection-rules/blob/cc241c0b5ec590d76cb88ec638d3cc37f68b5d50/rules/windows/command_and_control_remote_file_copy_scripts.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/a1afa0fa605639cbef7d528dec46ce7c8112194a/detections/endpoint/wscript_or_cscript_suspicious_child_process.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: Cscript.exe executing files from alternate data streams
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- IOC: DotNet CLR libraries loaded into cscript.exe
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- IOC: DotNet CLR Usage Log - cscript.exe.log
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Resources:
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- Link: https://gist.github.com/api0cradle/cdd2d0d0ec9abb686f0e89306e277b8f
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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: Oddvar Moe
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Handle: '@oddvarmoe'
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