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hacktricks/exploiting/tools/pwntools.md

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PwnTools

pip3 install pwntools

Pwn asm

Get opcodes from line or file.

pwn asm "jmp esp" 
pwn asm -i <filepath>

Can select:

  • output type raw,hex,string,elf
  • output file context 16,32,64,linux,windows...
  • avoid bytes new lines, null, a list
  • select encoder debug shellcode using gdb run the output

Pwn checksec

Checksec script

pwn checksec <executable>

Pwn constgrep

Pwn cyclic

Get a pattern

pwn cyclic 3000
pwn cyclic -l faad

Can select:

  • The used alphabet lowercase chars by default
  • Length of uniq pattern default 4
  • context 16,32,64,linux,windows...
  • Take the offset -l

Pwn debug

Attach GDB to a process

pwn debug --exec /bin/bash
pwn debug --pid 1234
pwn debug --process bash

Can select:

  • By executable, by name or by pid context 16,32,64,linux,windows...
  • gdbscript to execute
  • sysrootpath

Pwn disablenx

Disable nx of a binary

pwn disablenx <filepath>

Pwn disasm

Disas hex opcodes

pwn disasm ffe4

Can select:

  • context 16,32,64,linux,windows...
  • base addres
  • color(default)/no color

Pwn elfdiff

Print differences between 2 fiels

pwn elfdiff <file1> <file2>

Pwn hex

Get hexadecimal representation

pwn hex hola #Get hex of "hola" ascii

Pwn phd

Get hexdump

pwn phd <file>

Can select:

  • Number of bytes to show
  • Number of bytes per line highlight byte
  • Skip bytes at beginning

Pwn pwnstrip

Pwn scrable

Pwn shellcraft

Get shellcodes

pwn shellcraft -l #List shellcodes 
pwn shellcraft -l amd #Shellcode with amd in the name
pwn shellcraft -f hex amd64.linux.sh #Create in C and run
pwn shellcraft -r amd64.linux.sh #Run to test. Get shell 
pwn shellcraft .r amd64.linux.bindsh 9095 #Bind SH to port

Can select:

  • shellcode and arguments for the shellcode
  • Out file
  • output format
  • debug attach dbg to shellcode
  • before debug trap before code
  • after
  • avoid using opcodes default: not null and new line
  • Run the shellcode
  • Color/no color
  • list syscalls
  • list possible shellcodes
  • Generate ELF as a shared library

Pwn template

Get a python template

pwn template

Can select: host, port, user, pass, path and quiet

Pwn unhex

From hex to string

pwn unhex 686f6c61

Pwn update

To update pwntools

pwn update