GDB

GNU Debugger

Basic Commands

Quiet mode

gdb -q <binary>

Set a break point

b <functionName>

Run execution

r

Continue execution

c

Shows the current values of all CPU registers

info registers

Examine 20 memory addresses starting at rsp

x/20x $rsp

Disassemble the main function

disassemble main

disassemble function

disass <functionName>

Set Return Instruction Pointer

set $rip = <memoryAddress>

PEDA - Python Exploit Development Assistance

Setting Up

Download it

git clone https://github.com/longld/peda.git ~/peda

Open /Create your initialization file

nano ~/.gdbinit

Add the following line to load PEDA on every GDB start:

source ~/peda/peda.py

List the Procedure Linkage Table

plt