Which of the following is an example of memory injection?

Question

Options

• ATwo processes access the same variable, allowing one to cause a privilege escalation.
• BA process receives an unexpected amount of data, which causes malicious code to be executed.
• CMalicious code is copied to the allocated space of an already running process.
• DAn executable is overwritten on the disk, and malicious code runs the next time it is executed.

• A
  2% (1)
• B
  4% (2)
• C
  88% (46)
• D
  6% (3)

Explanation

Memory injection is defined as inserting malicious code directly into the allocated memory space of an already-running process, allowing it to execute under that process's privileges and context - exactly what option C describes.

• A is wrong - two processes sharing a variable that enables privilege escalation describes a race condition or shared-memory exploitation, not injection.
• B is wrong - receiving unexpected data that causes code execution is a buffer overflow, a distinct attack class from injection.
• D is wrong - overwriting an executable on disk is file/binary tampering; it requires a relaunch and is disk-based, not memory-based.

Memory tip: Focus on the two key words - memory (it happens in RAM, not on disk) and injection (code is pushed into a live process, not triggered by bad input). If the attack targets a running process's address space directly, that's memory injection.

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