T1127.003 - JamPlus
Sub-technique
Tactics:
Defense Evasion
Defense Evasion
Platforms:
Windows
Windows
Detection:
Not specified
Not specified
Description:
Adversaries may use `JamPlus` to proxy the execution of a malicious script. `JamPlus` is a build utility tool for code and data build systems. It works with several popular compilers and can be used for generating workspaces in code editors such as Visual Studio.(Citation: JamPlus manual)
Adversaries may abuse the `JamPlus` build utility to execute malicious scripts via a `.jam` file, which describes the build process and required dependencies. Because the malicious script is executed from a reputable developer tool, it may subvert application control security systems such as Smart App Control.(Citation: Cyble)(Citation: Elastic Security Labs)
Adversaries may abuse the `JamPlus` build utility to execute malicious scripts via a `.jam` file, which describes the build process and required dependencies. Because the malicious script is executed from a reputable developer tool, it may subvert application control security systems such as Smart App Control.(Citation: Cyble)(Citation: Elastic Security Labs)
Metadata
| MITRE ID: | T1127.003 |
| STIX ID: | attack-pattern--7d356151-a69d-... |
| Platforms: | Windows |
| Created: | 13/01/2026 17:48 |
| Updated: | 14/03/2026 04:00 |