Get to know Shellcode better with 7 real example sentences, the meaning.
Shellcode in a sentence
Shellcode meaning
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.
Using Shellcode
- The main meaning on this page is: 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.
- In the example corpus, shellcode often appears in combinations such as: of shellcode, the shellcode.
Context around Shellcode
- Average sentence length in these examples: 25.7 words
- Position in the sentence: 0 start, 4 middle, 3 end
- Sentence types: 7 statements, 0 questions, 0 exclamations
Corpus analysis for Shellcode
- In this selection, "shellcode" usually appears in the middle of the sentence. The average example has 25.7 words, and this corpus slice is mostly made up of statements.
- Around the word, loader, same, small, execution and differences stand out and add context to how "shellcode" is used.
- Recognizable usage signals include a loader shellcode which decompresses and comparatively small shellcode. That gives this page its own corpus information beyond isolated example sentences.
- By corpus frequency, "shellcode" sits close to words such as aaba, aafc and aaib, which helps place it inside the broader word index.
Example types with shellcode
The same corpus examples are grouped by length and sentence type, making it easier to see the contexts in which the word appears:
The decrypted content is a loader shellcode, which decompresses and executes the final payload. (14 words)
This technique requires the attacker to guess where on the stack the NOP-sled is instead of the comparatively small shellcode. (21 words)
These factors include null bytes in addresses, variability in the location of shellcode, differences between environments and various counter-measures in operation. (22 words)
ESTsecurity also alleged that the same hacker group had in the past launched a series of APT-form cyber espionage with the same shellcode in order to steal information on security, diplomacy, and unification. (34 words)
At the end of the attacker-supplied data, after the no-op instructions, the attacker places an instruction to perform a relative jump to the top of the buffer where the shellcode is located. (34 words)
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. (31 words)
Example sentences (7)
Each stub is a small piece of shellcode that performs API hash resolution on the fly and jumps to the API address in memory.
The decrypted content is a loader shellcode, which decompresses and executes the final payload.
ESTsecurity also alleged that the same hacker group had in the past launched a series of APT-form cyber espionage with the same shellcode in order to steal information on security, diplomacy, and unification.
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.
At the end of the attacker-supplied data, after the no-op instructions, the attacker places an instruction to perform a relative jump to the top of the buffer where the shellcode is located.
These factors include null bytes in addresses, variability in the location of shellcode, differences between environments and various counter-measures in operation.
This technique requires the attacker to guess where on the stack the NOP-sled is instead of the comparatively small shellcode.
Common combinations with shellcode
These word pairs occur most frequently in English texts:
- of shellcode 2×
- the shellcode 2×