Paweł Łukasik pawlos

## index.html
<!DOCTYPE html>
	<html>
	<head>
		<title>Pwn2Win | MessageKeeper</title>
	</head>
	<body>
		<script>
			let alphabet = "0123456789abcdef";

			const sleep = (ms) => {

## solve.py


const = 0xc6a4a7935bd1e995
#simplified mangle algorith form the binary
def mangle(a, i):
  b = 1
  c = 0x1337

  temp = c ^ (b * const)

## gist:9e94a863d089c0d6687d48d0e43cb9e5
#!/usr/bin/env python
# -*- coding: utf-8 -*-
# This exploit template was generated via:
# $ pwn template --host crypto.2021.chall.actf.co --port 21603
from pwn import *

# Set up pwntools for the correct architecture
exe = context.binary = ELF('./chall')

# Many built-in settings can be controlled on the command-line and show up

## fix vmwp.bat
REM open cmd.exe as admin to run this

REM Creates a patched vmwp.exe replacing these bytes:
REM  0F B6 43 64 41 89 47 64 0F B6 43 65 41 89 47 68 0F B6 43 66 41 89 47 6C 0F B6 43 67 41 89 47 70
REM  41 C7 47 64 01 00 00 00 41 C7 47 68 01 00 00 00 41 C7 47 6C 01 00 00 00 41 C7 47 70 01 00 00 00
REM Enables PMU, LBR, PEBS, IPT

cd %TEMP%
copy %windir%\system32\vmwp.exe .

## xrefs.py
#script for https://www.youtube.com/watch?v=FvH7b_qLmbU
import struct
from  ghidra.program.model.symbol import *

xrefs = currentProgram.getReferenceManager()

startAddr = currentAddress
currAddr = currentAddress

while True:

## check.py
interesting_data = [0x8b,0x84,0x9a,0x9b,0x9a,0xb1,0xd6,0xaf,0x93,0xb2,0x81,0x8c,0x84,0xab,0x9d,0x9c,0x8e,0xb9,0xb0,0xd9,0xa8,0xa4,0x9c,0x81,0x85,0xa0,0xa6,0xb4,0x87,0x9a,0xbb,0x92,0x96,0xad,0x8c,0xd7,0xb0,0x8d,0x97]
shuffle =          [0x16,0x0c,0x24,0x17,0x13,0x19,0x07,0x09,0x0e,0x23,0x05,0x01,0x18,0x21,0x0d,0x10,0x12,0x1f,0x1a,0x1e,0x22,0x00,0x0f,0x0b,0x08,0x15,0x11,0x02,0x1d,0x1c,0x26,0x03,0x04,0x25,0x14,0x20,0x06,0x1b,0x0a]
interesting_data = interesting_data[:0x27]

m = 38
j = 0
for k in range(len(interesting_data)//2):
	i = shuffle.index(m)
	uVar1 = shuffle[i]
	uVar2 = interesting_data[i]

## solve3.py

      
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                pawlos
                / solve3.py
            
            
              Created Nov 19, 2020
            
          
      View solve3.py
  
        
      This file has been truncated, but you can view the full file.
    

## solve2.py
F_L = "9655B040B64667238524D15D6201.B95D4E01C55CC562C7557405A532D768C55FA12DD074DC697A06E172992CAF3F8A5C7306B7476B38.C555AC40A7469C234424.853FA85C470699477D3851249A4B9C4E.A855AF40B84695239D24895D2101D05CCA62BE5578055232D568C05F902DDC74D2697406D7724C2CA83FCF5C2606B547A73898246B4BC14E941F9121D464D263B947EB77D36E7F1B8254.853FA85C470699477D3851249A4B9C4E.9A55B240B84692239624.CC55A940B44690238B24CA5D7501CF5C9C62B15561056032C468D15F9C2DE374DD696206B572752C8C3FB25C3806.A8558540924668236724B15D2101AA5CC362C2556A055232AE68B15F7C2DC17489695D06DB729A2C723F8E5C65069747AA389324AE4BB34E921F9421.CB55A240B5469B23.AC559340A94695238D24CD5D75018A5CB062BA557905A932D768D15F982D.D074B6696F06D5729E2CAE3FCF5C7506AD47AC388024C14B7C4E8F1F8F21CB64"

onzo = F_L.split(".")

#rigmarole(onzo(7))

def rigmarole(es):
	furphy = ""
	c = 0
	s = ""

## solv.py


d = open('report2.xls', 'rb').read()

data_chunk = -1

start_address = [0xace1,
				 0xcc88,
				 0xecac,
				 0x10cd0,

## solve.py


def decrypt(text, alphabet):
	l = 0x66
	cnt = len(text)
	i = 0
	res = []
	while i < cnt:
		res.append(chr(text[i] ^ ord(alphabet[i%l])))
		i += 1
	<!DOCTYPE html>
	<html>
	<head>
	<title>Pwn2Win \| MessageKeeper</title>
	</head>
	<body>
	<script>
	let alphabet = "0123456789abcdef";

	const sleep = (ms) => {


	const = 0xc6a4a7935bd1e995
	#simplified mangle algorith form the binary
	def mangle(a, i):
	b = 1
	c = 0x1337

	temp = c ^ (b * const)
	#!/usr/bin/env python
	# -- coding: utf-8 --
	# This exploit template was generated via:
	# $ pwn template --host crypto.2021.chall.actf.co --port 21603
	from pwn import *

	# Set up pwntools for the correct architecture
	exe = context.binary = ELF('./chall')

	# Many built-in settings can be controlled on the command-line and show up
	REM open cmd.exe as admin to run this

	REM Creates a patched vmwp.exe replacing these bytes:
	REM 0F B6 43 64 41 89 47 64 0F B6 43 65 41 89 47 68 0F B6 43 66 41 89 47 6C 0F B6 43 67 41 89 47 70
	REM 41 C7 47 64 01 00 00 00 41 C7 47 68 01 00 00 00 41 C7 47 6C 01 00 00 00 41 C7 47 70 01 00 00 00
	REM Enables PMU, LBR, PEBS, IPT

	cd %TEMP%
	copy %windir%\system32\vmwp.exe .
	#script for https://www.youtube.com/watch?v=FvH7b_qLmbU
	import struct
	from ghidra.program.model.symbol import *

	xrefs = currentProgram.getReferenceManager()

	startAddr = currentAddress
	currAddr = currentAddress

	while True:
	interesting_data = [0x8b,0x84,0x9a,0x9b,0x9a,0xb1,0xd6,0xaf,0x93,0xb2,0x81,0x8c,0x84,0xab,0x9d,0x9c,0x8e,0xb9,0xb0,0xd9,0xa8,0xa4,0x9c,0x81,0x85,0xa0,0xa6,0xb4,0x87,0x9a,0xbb,0x92,0x96,0xad,0x8c,0xd7,0xb0,0x8d,0x97]
	shuffle = [0x16,0x0c,0x24,0x17,0x13,0x19,0x07,0x09,0x0e,0x23,0x05,0x01,0x18,0x21,0x0d,0x10,0x12,0x1f,0x1a,0x1e,0x22,0x00,0x0f,0x0b,0x08,0x15,0x11,0x02,0x1d,0x1c,0x26,0x03,0x04,0x25,0x14,0x20,0x06,0x1b,0x0a]
	interesting_data = interesting_data[:0x27]

	m = 38
	j = 0
	for k in range(len(interesting_data)//2):
	i = shuffle.index(m)
	uVar1 = shuffle[i]
	uVar2 = interesting_data[i]
	F_L = "9655B040B64667238524D15D6201.B95D4E01C55CC562C7557405A532D768C55FA12DD074DC697A06E172992CAF3F8A5C7306B7476B38.C555AC40A7469C234424.853FA85C470699477D3851249A4B9C4E.A855AF40B84695239D24895D2101D05CCA62BE5578055232D568C05F902DDC74D2697406D7724C2CA83FCF5C2606B547A73898246B4BC14E941F9121D464D263B947EB77D36E7F1B8254.853FA85C470699477D3851249A4B9C4E.9A55B240B84692239624.CC55A940B44690238B24CA5D7501CF5C9C62B15561056032C468D15F9C2DE374DD696206B572752C8C3FB25C3806.A8558540924668236724B15D2101AA5CC362C2556A055232AE68B15F7C2DC17489695D06DB729A2C723F8E5C65069747AA389324AE4BB34E921F9421.CB55A240B5469B23.AC559340A94695238D24CD5D75018A5CB062BA557905A932D768D15F982D.D074B6696F06D5729E2CAE3FCF5C7506AD47AC388024C14B7C4E8F1F8F21CB64"

	onzo = F_L.split(".")

	#rigmarole(onzo(7))

	def rigmarole(es):
	furphy = ""
	c = 0
	s = ""


	d = open('report2.xls', 'rb').read()

	data_chunk = -1

	start_address = [0xace1,
	0xcc88,
	0xecac,
	0x10cd0,


	def decrypt(text, alphabet):
	l = 0x66
	cnt = len(text)
	i = 0
	res = []
	while i < cnt:
	res.append(chr(text[i] ^ ord(alphabet[i%l])))
	i += 1