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35 lines
1.6 KiB
YAML
35 lines
1.6 KiB
YAML
---
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Name: rcsi.exe
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Description: Non-Interactive command line inerface included with Visual Studio.
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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: rcsi.exe bypass.csx
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Description: Use embedded C# within the csx script to execute the code.
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Usecase: Local execution of arbitrary C# code stored in local CSX file.
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Category: Execute
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Privileges: User
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MitreID: T1127
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OperatingSystem: Windows
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- Command: rcsi.exe bypass.csx
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Description: Use embedded C# within the csx script to execute the code.
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Usecase: Local execution of arbitrary C# code stored in local CSX file.
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Category: AWL Bypass
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Privileges: User
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MitreID: T1127
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OperatingSystem: Windows
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Full_Path:
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- Path: no default
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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/c04bef2fbbe8beff6c7620d5d7ea6872dbe7acba/rules/windows/process_creation/proc_creation_win_csi_execution.yml
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- Elastic: https://github.com/elastic/detection-rules/blob/414d32027632a49fb239abb8fbbb55d3fa8dd861/rules/windows/defense_evasion_unusual_process_network_connection.toml
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- Elastic: https://github.com/elastic/detection-rules/blob/414d32027632a49fb239abb8fbbb55d3fa8dd861/rules/windows/defense_evasion_network_connection_from_windows_binary.toml
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- BlockRule: https://github.com/SigmaHQ/sigma/blob/c04bef2fbbe8beff6c7620d5d7ea6872dbe7acba/rules/windows/process_creation/proc_creation_win_csi_execution.yml
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Resources:
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- Link: https://enigma0x3.net/2016/11/21/bypassing-application-whitelisting-by-using-rcsi-exe/
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Acknowledgement:
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- Person: Matt Nelson
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Handle: '@enigma0x3'
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