Shellcode

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    A small piece of code, used as the payload of a virus or other malware, that launches a shell so that the attacker can control the compromised computer. countable, uncountable

    "In ELF executables, there aren't a whole lot of code caves (such as in the PE format), so you are not likely to be able to shove more than just a meager amount of shellcode into existing code slots […]"

Example

More examples

"In ELF executables, there aren't a whole lot of code caves (such as in the PE format), so you are not likely to be able to shove more than just a meager amount of shellcode into existing code slots […]"

Etymology

From shell + code.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.