Questions tagged [type-reconstruction]
The type-reconstruction tag has no usage guidance.
7
questions
0
votes
1answer
55 views
determine proprietary 16-bit floating-point format
Background / Introducion
CAN message Mercedes-Benz, cannot determine 16-bit data type for temperature.
7E 00 32 01 37 00
According to @rnd-ash (who has reverse engineered ACTIA Basic XS Monitor ...
0
votes
0answers
57 views
Can I reverse engineer original file names?
I'm new to IT and I turned my external hard-drive into a windows boot disc. I managed to recover files with testdisc & photorec_win. The downside is I got more than I bargened for and I have twice ...
2
votes
1answer
52 views
What is the difference between uintX_n (used in IDA Pro) and unitX_t types?
During debugging a binary in IDA Pro, I've noticed types of the form
30 uint16_n 00000002 struct {uint16_t inner;}
42 uint32_n ...
1
vote
1answer
51 views
How are members of a Structure Type positioned on the stack?
Some of the structure types have members that are not stacked next to each other. Check out the structure type at 0x33E6 in bzip2_base (x86-64) here. There's an int at location offset 0, a char at 4 ...
0
votes
1answer
49 views
structures defined on stack?
While reading this paper on type recovery from executables, I came across following paragraph:
It is worth noting that the domain of parameters of a function can be
considered as a structure ...
1
vote
1answer
66 views
is there any way to get type information using IDA Demo
I am using IDA Demo (evaluation version >7). I have a binary:
#include <stdbool.h>
int do_decode(){}
int main()
{
bool decode = false;
char opt = getopt();
switch (opt)
{
case 'd':
...
1
vote
2answers
164 views
Type reconstruction ambiguity
In TIE: Principled Reverse Engineering of Types in Binary Programs, Lee J. et al claim to solve most of the challenges in the process of C code decompilation that come with type reconstruction.
While ...
