Noun
shellcode (countable and uncountable, plural shellcodes)
(computing) 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.
As a result, it has become common practice for exploit writers to compose the no-op sled with randomly chosen instructions which will have no real effect on the shellcode execution. Source: Internet
The exploit includes a relatively benign shellcode, which simply writes a magic value to address 0x200000 in the firmware’s RAM, signalling successful execution. Source: Internet
It also will cover processes involved in constructing and testing shellcode which are usually left out in most buffer overflow tutorial. Source: Internet
Participants shall get insights into discovery and verification of vulnerabilities, finding the entry points, gaining control of program flow, choices of shellcode and finally writing a working exploit for the vulnerability. Source: Internet
Signature Based IDSes are not efficient against nation-state-sponsored attackers which use custom shellcode encoders in an exploit. Source: Internet
Switch to Long Mode and trigger Interrupt 0x29 with the R11 register set to (the shellcode address). Source: Internet