Top "Shellcode" questions

A shellcode is a small piece of code used as the payload in the exploitation of a software vulnerability.

Execute shellcode by casting to function pointer in Visual C++

In gcc this works fine. The code goes something like: unsigned char b[50] = "\xda\xd1 ... \x0"; //some shellcode with terminating \…

c++ casting shellcode
Why am I getting a segmentation fault? (Testing Shellcode)

I wrote a simple ASM file and ran it in a C file I'd written. I got a segentation fault. …

c segmentation-fault shellcode
What does int (*ret)() = (int(*)())code mean?

Here is a copy of code from shellstorm: #include <stdio.h> /* ipaddr 192.168.1.10 (c0a8010a) port 31337 (7a69) */ #define …

c exploit shellcode
Treat input as hex values

I am trying to learn how to create shellcode and I need to input a whole bunch of hex codes. …

c buffer-overflow shellcode
How to pass \x00 as argument to program?

I have a small program where I wish to pass shellcode as argument. In the shellcode, there is a necessity …

shell command-line shellcode
Testing a shellcode

I have this piece of code to test a shellcode but I don't understand it so can anyone explain it …

c shellcode
How to disassemble a shellcode into assembly instruction?

Is there some tool to disassemble a raw hex into assembly instructions? for example: lets say we have \xeb\x1…

assembly x86 disassembly shellcode
Difference between - buffer overflow and return to libc attack

I want to comprehend the exact difference between these two types of attack. From what I have read: Buffer Overflow: …

c security buffer-overflow shellcode
can anyone explain this code to me?

WARNING: This is an exploit. Do not execute this code. //shellcode.c char shellcode[] = "\x31\xc0\x31\xdb\xb0\x17\…

c stack exploit shellcode
Opcode for negative jump

I'm trying to create some shellcode where I need to jump back (a negative jump). I want to jump 2400 bytes …

assembly x86 opcode shellcode