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Files with machine code directly readable by the CPU or the interpreter. It encloses any executables, libraries, object code or memory dump of the analyzed software.

1 vote
2 answers
464 views

3 questions on assembly - syntax, meaning, and equivalent in high level code (eg C++)

For the following example, using x86 code in AT&T format: xor $0x20, (%eax) and $0x20, %ah or $0x20, %dh dec (%edi) dec %si dec %sp dec %bp My understanding: Line 1: takes value in %eax and do …
unseen_rider's user avatar
1 vote
1 answer
168 views

3 questions on Assembly - meaning of code, Decompilation in Linux, Higher level perspective,

Following the question here (3 questions on assembly - syntax, meaning, and equivalent in high level code (eg C++)), I would like to know for the same x86 code in AT&T syntax: xor $0x20, (%eax) and …
unseen_rider's user avatar
25 votes
1 answer
61k views

Objdump - How to output text (eg ASCII strings) alongside assembly code?

Aim: I want to take hex and ascii data (derived from a binary file using xxd) and use Objdump (or a suitable other tool that Linux comes with) to output the memory addresses / offsets, assembly code, and … I used the following: objdump -D -b binary -mi386 -Maddr16,data16 <filename> Should I need to use the -s switch? …
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