peta909

#include <stdio.h>
#include <windows.h>
#include "peconv.h"

const size_t g_flagLen = 26;
char g_flag[g_flagLen + 1] = { 0 };

int my_index()
{
    static int index = 0;

peta909

import struct

# Rotate left: 0b1001 --> 0b0011
rol = lambda val, r_bits, max_bits: \
    (val << r_bits%max_bits) & (2**max_bits-1) | \
    ((val & (2**max_bits-1)) >> (max_bits-(r_bits%max_bits)))
 
# Rotate right: 0b1001 --> 0b1100
ror = lambda val, r_bits, max_bits: \
    ((val & (2**max_bits-1)) >> r_bits%max_bits) | \

peta909

#Author: Mark Lim
#Version: 0.2 (01 May 2018)
#Use while debugging target using IDAPro
#locate list of function pointers
#Make names of function pointers using strings of function names
#FuncName without DLL prefix result in IDA recognizing the API functions and populate the parameter arguments. [Credits to @nullandnull]

ea = SelStart()
end = SelEnd()

peta909

#make comms using result from string decoding functions
#27 Apr 2018
#Mark Lim @peta909

def get_string(addr):
  out = ""
  while True:
    if Byte(addr) != 0:
      out += chr(Byte(addr))
    else:

peta909

[DISASM]
000000	 //
aaaaaa	 //Default color
f3c5ff	 //Regular comment
7e6082	 //Repeatable comment
666666	 //Automatic comment
ffffff	 //Instruction
b9ebeb	 //Dummy Data Name
b9ebeb	 //Regular Data Name
bbecff	 //Demangled Name

peta909

#include <stdio.h> //c header for things like Printf
#include <Windows.h> //Added in order to use windows apis; could also be added to pch.h

int main()
{
	wchar_t cmd[] = L"notepad.exe";//unicode string as parameters for strings are unicode for CreateProcessW
	STARTUPINFO si = { sizeof(si) };
	//memset(&si, 0, sizeof(si));//These 2 lines are the same as the init done via C style shortcut in the line above
	//si.cb = sizeof(ci)
	PROCESS_INFORMATION pi;

peta909

		CloseHandle(pi.hProcess);//Handles must be explicitly closed if not parent process will hold on to it even if child process is terminated.
		CloseHandle(pi.hThread);

peta909

int LocateProcess(wchar_t* proc)
{
  // Need to add #include <tlhelp32.h> for PROCESS* definitions
	HANDLE hProcessSnap;
	HANDLE hProcess;
	PROCESSENTRY32 pe32;
	DWORD dwPriorityClass;
	int FoundPID;

	// Take a snapshot of all processes in the system.

peta909

int LocateProcess(wchar_t* proc)
{
  // Need to add #include <tlhelp32.h> for PROCESS* definitions
	HANDLE hProcessSnap;
	HANDLE hProcess;
	PROCESSENTRY32 pe32;
	DWORD dwPriorityClass;
	int FoundPID;

	// Take a snapshot of all processes in the system.

peta909

#try to write a simple hex dump
import binascii,struct

fd = open("abcd.exe", "r")
fd_contents_str = fd.read()
fd_contents_hex = (binascii.b2a_hex(fd_contents_str)).upper()

Hex_dump = []
Byte_str = ""
for i, Half_byte in enumerate(fd_contents_hex):