System Binary Proxy Execution: Regsvr32

Defense Evasion [Mitre]

Adversaries may abuse Regsvr32.exe to proxy execution of malicious code. Regsvr32.exe is a command-line program used to register and unregister object linking and embedding controls, including dynamic link libraries (DLLs), on Windows systems. The Regsvr32.exe binary may also be signed by Microsoft.

Malicious usage of Regsvr32.exe may avoid triggering security tools that may not monitor execution of, and modules …

System Binary Proxy Execution: Odbcconf

Defense Evasion [Mitre]

Adversaries may abuse odbcconf.exe to proxy execution of malicious payloads. Odbcconf.exe is a Windows utility that allows you to configure Open Database Connectivity (ODBC) drivers and data source names. The Odbcconf.exe binary may be digitally signed by Microsoft.

Adversaries may abuse odbcconf.exe to bypass application control solutions that do not account for its potential abuse. Similar to Regsvr32, odbcconf.exe …

System Binary Proxy Execution: CMSTP

Defense Evasion [Mitre]

Adversaries may abuse CMSTP to proxy execution of malicious code. The Microsoft Connection Manager Profile Installer (CMSTP.exe) is a command-line program used to install Connection Manager service profiles. CMSTP.exe accepts an installation information file (INF) as a parameter and installs a service profile leveraged for remote access connections.

Adversaries may supply CMSTP.exe with INF files infected with malicious commands. …

System Binary Proxy Execution: Verclsid

Defense Evasion [Mitre]

Adversaries may abuse verclsid.exe to proxy execution of malicious code. Verclsid.exe is known as the Extension CLSID Verification Host and is responsible for verifying each shell extension before they are used by Windows Explorer or the Windows Shell.

Adversaries may abuse verclsid.exe to execute malicious payloads. This may be achieved by running verclsid.exe /S /C {CLSID}, where the file …

XSL Script Processing

Defense Evasion [Mitre]

Adversaries may bypass application control and obscure execution of code by embedding scripts inside XSL files. Extensible Stylesheet Language (XSL) files are commonly used to describe the processing and rendering of data within XML files. To support complex operations, the XSL standard includes support for embedded scripting in various languages.

Adversaries may abuse this functionality to execute arbitrary files …

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System Binary Proxy Execution: Regsvr32

Defense Evasion [Mitre]

System Binary Proxy Execution: Odbcconf

Defense Evasion [Mitre]

System Binary Proxy Execution: CMSTP

Defense Evasion [Mitre]

System Binary Proxy Execution: Verclsid

Defense Evasion [Mitre]

XSL Script Processing

Defense Evasion [Mitre]