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Exam CISSP Topic 1 Question 953 Discussion

Actual exam question for ISC's CISSP exam
Question #: 953
Topic #: 1
A software scanner identifies a region within a binary image having high entropy. What does this MOST likely indicate?

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Obfuscated code is a type of code that is deliberately written or modified to make it difficult to understand or reverse engineer3. Obfuscation techniques can include changing variable names, removing comments, adding irrelevant code, or encrypting parts of the code. Obfuscated code can have high entropy, which means that it has a high degree of randomness or unpredictability4. A software scanner can identify a region within a binary image having high entropy as a possible indication of obfuscated code. Encryption routines, random number generators, and botnet command and control are not necessarily related to obfuscated code, and may not have high entropy. References: 3: Official (ISC)2 CISSP CBK Reference, 5th Edition, Chapter 8, page 4674: CISSP All-in-One Exam Guide, Eighth Edition, Chapter 8, page 508.

by whitebeard pirate at Jul 13, 2024, 10:14 AM

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whitebeard pirate
2024-07-13 10:14:12
Encryption routines
High Entropy: High entropy in a binary image suggests a high degree of randomness in the data. This characteristic is often associated with encrypted data because encryption algorithms transform plaintext into ciphertext that appears random to ensure confidentiality.
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