Questions tagged [section]
The section tag has no usage guidance.
18
questions
3
votes
1
answer
131
views
Code caves in arm assembly
In a disassembled elf binary i found these arm thumb instructions:
function0
0x002cc3a8 8079 ldrb r0, [r0, #6]
0x002cc3aa 7047 bx lr
In the codecave these were the initial hex ...
- 144
1
vote
1
answer
83
views
Does Golang's cgo now support output with .gopclntab?
I read this page in which the author, Chris Siebenmann, states that binaries created using cgo will not have the gopclntab or the gosymtab sections. However, I see that on go version go1.13.15 linux/...
- 1,625
1
vote
2
answers
91
views
"unknown publisher" after adding new PE section
I'm starting to learn about reverse engineering and I'm currently encountering a problem with a game I'm trying to patch. I needed more space to insert instructions in my program so I followed the ...
- 31
0
votes
2
answers
801
views
How to get address or symbol of the usage of a constant located in rodata?
I have an elf executable. I found a string (awesome string) in my .rodata section:
$ mb-readelf -p 10 a.out
String dump of section '.rodata':
[ 0] Hello world
...
[ ab12] awesome string
......
- 111
0
votes
0
answers
50
views
What are all possible ways to add strings to the .rdata section of a Binary Executable?
I was wondering what are all the possible ways people can mess with the executable's .rdata strings ?
Because I've actualy seen it .. But I do not have any idea how they do that.
Some random dude made ...
2
votes
1
answer
497
views
IDA Pro: How to change segment register value
For a specific Android library that I have loaded into IDA, I want to switch the THUMB/ARM mode to ARM, no matter the consequences that this is going to have to the code. Is there a way to efficiently ...
- 21
-2
votes
1
answer
491
views
How to fix Mach-O segment section to deobfuscate the binary
When reversing a Mach-O crackme file under IDA Free and MacOS, the analysis output a log in the console window that yields warning about Mach-O segments.
Loading file 'target' into database...
...
- 47
0
votes
1
answer
251
views
problem rewriting ELF binary to add an additional loadable segment
I have a problem rewriting ELF binary to add an additional loadable segment for add.c code.
I have problem working with https://pdfhost.io/v/U@uP1+nCY_Compact_Control_Flow_Integerity_in_Linuxpdf.pdf
...
- 126
4
votes
1
answer
1k
views
How do I find out what section variables and strings are defined in?
Given a simple program like this,
void main (int argc, char * argv[] ) {
char * arr[] = {"foo", "bar", "baz"};
*(arr[0]) = 'F';
printf( "%s", arr[0] );
}
How do I find out what section ...
- 1,654
2
votes
1
answer
639
views
Radare2 create section
Radare2 has S* commands, that can show, delete, modify sections. Is it possible to create new section in executable file and save it?
- 48
4
votes
2
answers
731
views
Adding section. Error starting the application (0xc000007b)
I added a section to this executable
external link to download the executable it is winmine from windows xp
using cff explorer
the only modification done to the executable is adding a section
i have ...
- 141
1
vote
1
answer
1k
views
GNU objcopy: elf to hex missing sections
I am using objcopy to convert elf to hex. When I disassemble the elf in IDA Pro, all the sections are present, but they are missing from my hex and it seems the elf headers:
C:\TricoreGCC>tricore-...
- 133
3
votes
1
answer
2k
views
Replace section inside ELF file
Is it possible to replace a non-code section inside an ELF file? If so, then how? Is there something I would have to consider before simply replacing the bytes by some other bytes (of course nothing ...
- 115
0
votes
1
answer
1k
views
Adding section to PE binary using Stud_Pe
I want to be able to accurately add a section to a binary by hand, without tools.
I am using Stud_Pe for adding a section to a binary. While this work, I feel it's important to be able to do this ...
- 723
1
vote
1
answer
1k
views
Retrieving the contents of PE file sections
I am trying to get the contents of the .text section of a file (notepad.exe) using the following code:
#define SECHDROFFSET(a) ((LPVOID) ( (LPBYTE) a + \
((...
- 111
1
vote
1
answer
1k
views
How to recognize PE sections containing code?
Generally, what is the criterion by which to decide whether a PE section contains code or not?
Specifically, is a .text or .code section always considered to contain code? And what is the ...
- 113
9
votes
2
answers
10k
views
PE .rdata section contents
According to MSDN, the .rdata section of a PE should contain the debug directory and the description string. I've read elsewhere that it contains read-only program data. Dumping several files, I found ...
- 93
1
vote
2
answers
1k
views
Get the PE section address
I study an analysis paper about a trojan and there are the following assembly lines:
.text:004010D0 Get_PE_section_address proc near
.text:004010D0
.text:004010D0 arg_0 = dword ptr ...
- 1,491