In software engineering, code transforms from human-readable high-level languages like Python or Java into machine-readable binary (machine code). An intermediate step, bytecode, bridges ...

Bytecode is a representation of Python, compiled as a set of instructions for the Python Virtual Machine. In a simplified sense, it exists somewhere between source code and being a machine binary.

Credential stealing seems to be the main goal. Once executed on a machine, the fshec2 malicious payload collects information about the system such as usernames, directory listings, and hostnames ...

By injecting malicious bytecode into interpreters for VBScript, Python, and Lua, researchers found they can circumvent malicious code detection. Robert Lemos, Contributing Writer August 1, 2024 ...

It’s a virtual machine for AVR microcontrollers. ... Recently there was a supplemental compiler project that even takes Python code and compiles it into VM byte-code.