0xTowel

## solve_inaction.py
"""inaction_solve.py

CTF: SuSeC CTF 2020 - https://ctftime.org/event/1007
Challenge: Inaction - https://ctftime.org/task/10729

Flag: SUSEC{5m4Rt___p0W___cH4lL3n93}

twitter.com/0xTowel
"""
import re

## limit_calls.py
"""For my friends in OTA.

--Towel, 2019
"""
from functools import wraps


class LimitCalls:
    """A decorator to limit the number of calls to a function.

## snippet.sh
# https://www.reddit.com/r/netsec/comments/biu9kc/moddetective_small_python_tool_that_analyzes_the/em3siw8
find / -type f -exec stat --format '%Y :%y %n' "{}" \; | sort -nr | cut -d: -f2- | head

## rsrcdump.py
#!/usr/bin/env python3
"""A small example utility to demonstrate r2pipe scripting
by extracting resources from a file.

Written as an example for someone on IRC.

--Towel, 2019
"""

import r2pipe

## .gef.rc
[context]
clear_screen = True
layout = regs code stack memory args extra
show_registers_raw = False
nb_lines_stack = 6

## biggars_fireshell2019.sage
#!/usr/bin/env sage
# -*- coding: utf-8 -*-
# Towel 2019

"""
Solution to 'Biggars' challenge from FireShell CTF 2019.
A multi-prime RSA computation with large N requiring CRT
to compute d rather than normal fast-power algorithm.
"""

## whitespace_bytes.md

      
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                0xTowel
                / whitespace_bytes.md
            
            
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              February 22, 2019 03:25
            
              
                A list of bytes which are considered whitespace in C and POSIX locales and terminate calls such as scanf("%s")
              
          
    The following bytes are considered whitespace in C and POSIX locales:

0c0a0d090b20
They will end input to functions such as scanf("%s").


Byte
Escape Sequence
Name


0c
\f
form-feed


0a
\n
newline


## shell_32.asm
BITS 32
global _start
section .text

SYS_EXECVE equ 0x0b

_start:
    xor ecx, ecx       ; argv to zero
    mul ecx            ; envp to zero, eax to zero
    add al, SYS_EXECVE ; syscall 11 for execve

## .vimrc
" My bare-minimum, portable vimrc
inoremap <special> jk <ESC>
inoremap <special> kj <ESC>

set clipboard^=unnamedplus
set relativenumber
set number
set backspace=eol,start,indent
set whichwrap+=<,>,h,l
set ignorecase

## Mateware License
/*
 * ------------------------------------------------------------
 * "THE MATEWARE LICENSE" (Revision 1):
 * <author> wrote this code. As long as you retain this notice,
 * you can do whatever you want with this code. If you meet
 * <author> someday, and you think this code is worth it,
 * you can buy <author> a mate in return.
 * ------------------------------------------------------------
*/
	"""inaction_solve.py

	CTF: SuSeC CTF 2020 - https://ctftime.org/event/1007
	Challenge: Inaction - https://ctftime.org/task/10729

	Flag: SUSEC{5m4Rt___p0W___cH4lL3n93}

	twitter.com/0xTowel
	"""
	import re
	"""For my friends in OTA.

	--Towel, 2019
	"""
	from functools import wraps


	class LimitCalls:
	"""A decorator to limit the number of calls to a function.
	# https://www.reddit.com/r/netsec/comments/biu9kc/moddetective_small_python_tool_that_analyzes_the/em3siw8
	find / -type f -exec stat --format '%Y :%y %n' "{}" \; \| sort -nr \| cut -d: -f2- \| head
	#!/usr/bin/env python3
	"""A small example utility to demonstrate r2pipe scripting
	by extracting resources from a file.

	Written as an example for someone on IRC.

	--Towel, 2019
	"""

	import r2pipe
	[context]
	clear_screen = True
	layout = regs code stack memory args extra
	show_registers_raw = False
	nb_lines_stack = 6
	#!/usr/bin/env sage
	# -- coding: utf-8 --
	# Towel 2019

	"""
	Solution to 'Biggars' challenge from FireShell CTF 2019.
	A multi-prime RSA computation with large N requiring CRT
	to compute d rather than normal fast-power algorithm.
	"""
	BITS 32
	global _start
	section .text

	SYS_EXECVE equ 0x0b

	_start:
	xor ecx, ecx ; argv to zero
	mul ecx ; envp to zero, eax to zero
	add al, SYS_EXECVE ; syscall 11 for execve
	" My bare-minimum, portable vimrc
	inoremap <special> jk <ESC>
	inoremap <special> kj <ESC>

	set clipboard^=unnamedplus
	set relativenumber
	set number
	set backspace=eol,start,indent
	set whichwrap+=<,>,h,l
	set ignorecase
	/*
	* ------------------------------------------------------------
	* "THE MATEWARE LICENSE" (Revision 1):
	* <author> wrote this code. As long as you retain this notice,
	* you can do whatever you want with this code. If you meet
	* <author> someday, and you think this code is worth it,
	* you can buy <author> a mate in return.
	* ------------------------------------------------------------
	*/