Skip to content

Instantly share code, notes, and snippets.

@SkyBulk

SkyBulk/GandCrab4.0RemoveTool.cpp

Created October 6, 2020 21:12
Show Gist options
  • Star 2 You must be signed in to star a gist
  • Fork 0 You must be signed in to fork a gist
  • Save SkyBulk/de91f8c2397720386c271707854dbf01 to your computer and use it in GitHub Desktop.
Save SkyBulk/de91f8c2397720386c271707854dbf01 to your computer and use it in GitHub Desktop.
Download ZIP
Raw
GandCrab4.0RemoveTool.cpp
// SALSA20.cpp : �������̨Ӧ�ó������ڵ㡣
//
#include<cryptopp/cryptlib.h>
#include<iostream>
#include<cryptopp/secblock.h> //����SecByteBlock�㷨��ͷ�ļ�
#include<cryptopp/hex.h> //����HexEncoder�㷨��ͷ�ļ�
#include<cryptopp/files.h> //����FileSink�㷨��ͷ�ļ�
#include<cryptopp/osrng.h> //����AutoSeededRandomPool�㷨��ͷ�ļ�
#include<cryptopp/salsa.h> //����Salsa20�㷨��ͷ�ļ�
#include <Windows.h> //CRYPTO����Ʒ
#include <WinCrypt.h> //CRYPTO����Ʒ
#include "stdafx.h"
using namespace std;
using namespace CryptoPP;
void QueryRegister(BYTE*QUERYDATA);
BOOL RsaEncrypt(BYTE *pPublicKey, DWORD dwPublicKeyLength, BYTE *pData, DWORD &dwDataLength, DWORD dwBufferLength);
HCRYPTPROV RsaDecrypt1(BYTE *pPrivateKey, DWORD dwPrivateKeyLength, BYTE *pData, DWORD &dwDataLength);
void ShowError(char *pszText);
BOOL RsaDecrypt2(HCRYPTPROV hCryptProv,BYTE *pPrivateKey, DWORD dwPrivateKeyLength, BYTE *pData, DWORD &dwDataLength);
BYTE privatekey[] = { //FBI������BLOB��ʽRSA2048˽Կ
0x07, 0x02, 0x00, 0x00, 0x00, 0xA4, 0x00, 0x00, 0x52, 0x53, 0x41, 0x32, 0x00, 0x08, 0x00, 0x00
, 0x01, 0x00, 0x01, 0x00, 0xBB, 0xEF, 0x02, 0x46, 0x0B, 0x5E, 0x8C, 0x72, 0x8E, 0xA0, 0xA0, 0x31
, 0xAE, 0x95, 0x33, 0x82, 0xD6, 0x67, 0x89, 0x32, 0xB2, 0xED, 0x92, 0xA8, 0x16, 0x0A, 0xBC, 0x28
, 0xC1, 0x4D, 0x3E, 0x00, 0xA3, 0xDC, 0x48, 0x47, 0x3D, 0xE9, 0x9A, 0xC1, 0x31, 0xAE, 0x41, 0xC5
, 0xE8, 0x22, 0x70, 0x6A, 0x7F, 0x75, 0x98, 0x8F, 0xC6, 0xEB, 0xEE, 0x65, 0x9B, 0x1B, 0x96, 0xD3
, 0x4D, 0xAA, 0x3F, 0x75, 0x0B, 0xA5, 0x75, 0xE7, 0x71, 0xCD, 0x88, 0xA0, 0x77, 0xE0, 0xCB, 0x2F
, 0x33, 0xA2, 0x0D, 0xAB, 0xE4, 0xE3, 0x40, 0x82, 0x3F, 0xD9, 0x95, 0x50, 0xA4, 0x92, 0x56, 0xAA
, 0x77, 0x61, 0x05, 0x75, 0xF2, 0x25, 0x81, 0xDA, 0xA1, 0xBE, 0x30, 0xA7, 0xCB, 0xDA, 0x2B, 0xA3
, 0x9E, 0x85, 0xAB, 0x03, 0x8D, 0xBB, 0xD3, 0xF0, 0xBB, 0x9C, 0x71, 0x9A, 0xD4, 0x98, 0xCF, 0xC6
, 0xC2, 0xA8, 0x62, 0x84, 0x32, 0x85, 0x4C, 0x1B, 0x2C, 0xFF, 0xE4, 0xD8, 0xD9, 0xE5, 0x2A, 0xBB
, 0x18, 0x06, 0x08, 0x6A, 0xF4, 0xD8, 0xD1, 0x8D, 0x00, 0xE3, 0x41, 0xFC, 0xE7, 0xC5, 0x20, 0x25
, 0xD2, 0xDD, 0x47, 0xFF, 0x27, 0x09, 0x1F, 0x6D, 0x34, 0x6C, 0x8A, 0x0A, 0xEB, 0xAB, 0x13, 0x48
, 0x09, 0xF6, 0x24, 0x24, 0x98, 0x84, 0x22, 0xDD, 0xC1, 0xA1, 0x1C, 0x60, 0x63, 0x06, 0x71, 0xEE
, 0x00, 0x4A, 0x21, 0xBA, 0x1F, 0xAF, 0x4C, 0x03, 0xD2, 0xC7, 0x3F, 0xBA, 0x64, 0x39, 0x35, 0xB4
, 0x44, 0x0B, 0x17, 0x5F, 0xB5, 0x2C, 0x8C, 0x4E, 0xB2, 0xE6, 0x61, 0xB2, 0x23, 0x21, 0x4D, 0xAD
, 0xFB, 0xD4, 0x1D, 0x96, 0x4B, 0xA1, 0xFC, 0x7F, 0xBF, 0x98, 0x78, 0xBB, 0xD3, 0x72, 0xF1, 0xE3
, 0x46, 0x1F, 0x03, 0x4C, 0x05, 0x18, 0x96, 0xC1, 0x47, 0xC0, 0xA0, 0x6F, 0x17, 0x07, 0x11, 0x10
, 0x2B, 0x2D, 0xD4, 0xC8, 0x79, 0xBF, 0xB4, 0x83, 0x75, 0x3D, 0x68, 0x60, 0x33, 0xBB, 0xA4, 0x7A
, 0xC8, 0x52, 0x66, 0x2E, 0xE6, 0xFA, 0x44, 0x32, 0x4A, 0xAE, 0x06, 0xAB, 0x5A, 0x9F, 0xBE, 0x29
, 0x1D, 0x3D, 0xB8, 0xA6, 0xC0, 0xCA, 0x0B, 0x10, 0x38, 0xA4, 0x52, 0x27, 0xBA, 0x61, 0xAC, 0x0A
, 0x3B, 0x0E, 0x86, 0x8F, 0x7A, 0xAF, 0xBA, 0x89, 0x9D, 0x4A, 0x52, 0x33, 0x81, 0x74, 0x6B, 0xDE
, 0x61, 0x26, 0xA5, 0xB4, 0x53, 0xA5, 0x48, 0x47, 0x8E, 0xA8, 0xD7, 0x01, 0x08, 0xA5, 0xDF, 0xF2
, 0x06, 0xDD, 0xD5, 0x45, 0xDC, 0xF3, 0xE0, 0xAD, 0xCB, 0xFD, 0x1E, 0x55, 0x2C, 0x08, 0x63, 0xE2
, 0xF0, 0x5B, 0x39, 0x81, 0x75, 0x50, 0xFB, 0x5C, 0x7E, 0x36, 0x2C, 0x13, 0xBD, 0x8F, 0x6F, 0xE2
, 0xAE, 0xBC, 0xA3, 0x1D, 0x0D, 0x96, 0x2D, 0x91, 0x88, 0xE4, 0x8F, 0x39, 0xE0, 0x99, 0x71, 0x09
, 0xE0, 0xE3, 0x80, 0xEE, 0xD3, 0x57, 0xEF, 0x91, 0x53, 0x3C, 0x5D, 0x00, 0x30, 0x7C, 0x7B, 0x00
, 0x0D, 0x66, 0x28, 0x7E, 0xC9, 0xEA, 0x67, 0x18, 0xAE, 0xD2, 0xC2, 0xB6, 0x25, 0xDD, 0xA4, 0xB7
, 0x1D, 0x92, 0x7A, 0x53, 0xA1, 0xBB, 0xD3, 0xA2, 0x31, 0xF8, 0x2E, 0x49, 0x50, 0x6E, 0xF8, 0x8E
, 0x07, 0x86, 0x16, 0x01, 0x15, 0x47, 0x05, 0x2F, 0x89, 0xBA, 0xD5, 0xE4, 0x8C, 0x29, 0x61, 0xEB
, 0x6E, 0x72, 0x62, 0x47, 0x56, 0xF3, 0x96, 0x70, 0x5C, 0x70, 0xA3, 0x2E, 0x7F, 0x9F, 0x52, 0x66
, 0x54, 0xDD, 0xB2, 0xD0, 0x6A, 0xA8, 0xE0, 0x70, 0xE0, 0xF6, 0xE9, 0xEC, 0x8A, 0xAF, 0x67, 0x10
, 0x9B, 0x7F, 0xBA, 0x32, 0x4D, 0x33, 0xCA, 0xB3, 0xC4, 0x9B, 0xB6, 0x66, 0xDE, 0x62, 0x17, 0x21
, 0x20, 0x90, 0x0C, 0x37, 0x16, 0x50, 0x77, 0x98, 0xDA, 0x50, 0xE0, 0xF7, 0xB5, 0x84, 0xAB, 0x1C
, 0xFB, 0xC0, 0x8F, 0xD7, 0xF1, 0x11, 0x84, 0xE0, 0x8C, 0x1D, 0x57, 0xB0, 0x6D, 0x6E, 0x82, 0x96
, 0x1E, 0xCC, 0x78, 0xBD, 0x3B, 0xA9, 0xC3, 0x83, 0x7C, 0xD5, 0x3F, 0x8F, 0x93, 0xAD, 0xB7, 0x8A
, 0x45, 0x96, 0x21, 0xA6, 0xD5, 0x1D, 0x5D, 0xDC, 0x50, 0x3C, 0x39, 0x71, 0x53, 0xC1, 0x71, 0xE3
, 0x60, 0x42, 0x11, 0x07, 0x06, 0xC1, 0x01, 0xEE, 0x56, 0x5D, 0xED, 0xCA, 0x78, 0xD2, 0x4C, 0xC4
, 0xBE, 0x40, 0x35, 0x9B, 0x54, 0x27, 0x3E, 0x82, 0xE7, 0x48, 0x37, 0xCD, 0x72, 0x3A, 0x95, 0xF9
, 0x8E, 0x25, 0x70, 0x62, 0x98, 0x59, 0xD2, 0x9D, 0x71, 0x06, 0x74, 0xE3, 0x32, 0xA8, 0x1E, 0xB6
, 0xB6, 0x91, 0x64, 0xCD, 0xDC, 0x35, 0x42, 0x1C, 0xDA, 0x57, 0xCB, 0x1F, 0x12, 0x23, 0x21, 0x53
, 0xF4, 0xC6, 0xD5, 0x10, 0x13, 0x24, 0x6C, 0x82, 0x11, 0x63, 0x15, 0xB1, 0x78, 0x61, 0x4E, 0x6D
, 0x87, 0x69, 0xEA, 0x4D, 0xAB, 0xED, 0xF4, 0x2A, 0xB3, 0xB6, 0xE0, 0x6D, 0xDF, 0x20, 0x1F, 0x04
, 0xF4, 0x56, 0xCC, 0xC8, 0xD9, 0x4B, 0x32, 0x3F, 0x9E, 0x10, 0x54, 0xA4, 0xA5, 0xFF, 0xC5, 0x01
, 0x8E, 0xF3, 0x3C, 0x9F, 0xB1, 0x8B, 0x4D, 0xAE, 0x25, 0x94, 0x87, 0x80, 0x70, 0x18, 0xFA, 0xA8
, 0x45, 0xA4, 0x0D, 0xC5, 0xF2, 0xE3, 0x67, 0x08, 0xF8, 0x54, 0x30, 0xF6, 0x9E, 0x3A, 0x05, 0x39
, 0xE4, 0xE8, 0x72, 0x51, 0x47, 0x2F, 0x81, 0x41, 0xF2, 0xE3, 0xE9, 0xEE, 0x9F, 0x76, 0xA3, 0xBC
, 0x94, 0x08, 0xB5, 0x46, 0x11, 0x12, 0x13, 0xBA, 0x53, 0xB0, 0xB6, 0x67, 0xF0, 0xE5, 0x2E, 0x0A
, 0xCA, 0xB2, 0x57, 0x26, 0x2C, 0xCC, 0x2E, 0x19, 0x50, 0xDA, 0xD2, 0x4A, 0xBD, 0xDA, 0x69, 0xEC
, 0xA7, 0x01, 0xD7, 0x95, 0x98, 0x92, 0x49, 0xB4, 0xD6, 0x41, 0x09, 0x1A, 0x39, 0x04, 0x89, 0xD6
, 0xDA, 0xC2, 0x49, 0xB9, 0xDE, 0x98, 0xDB, 0x43, 0x51, 0x66, 0x80, 0x85, 0x6E, 0xA3, 0x11, 0x05
, 0x5B, 0x9F, 0xC3, 0x55, 0x77, 0x7B, 0xC9, 0xE0, 0x52, 0x9E, 0xCE, 0x0A, 0x08, 0xBC, 0x05, 0xE1
, 0xC0, 0xA7, 0x29, 0x3D, 0xB5, 0x2F, 0x8E, 0x3D, 0x84, 0xB8, 0xBD, 0xDF, 0x38, 0x49, 0x65, 0xB4
, 0x1F, 0xB0, 0xC2, 0xEE, 0x7B, 0x57, 0xFE, 0x39, 0x8D, 0x93, 0x12, 0x1E, 0xFB, 0x16, 0x7E, 0x2F
, 0xAF, 0x07, 0x60, 0x78, 0xD9, 0x72, 0x22, 0x53, 0x4C, 0xB4, 0x96, 0xB6, 0xFC, 0xA0, 0x51, 0x45
, 0x2C, 0x1C, 0x81, 0x34, 0x26, 0xE2, 0xA9, 0xF9, 0xA4, 0x20, 0x3F, 0x6B, 0x9B, 0xA4, 0xD8, 0x33
, 0x8C, 0xDC, 0x7F, 0x9D, 0x62, 0xCD, 0x0A, 0xFE, 0x17, 0x6C, 0xC4, 0xCB, 0x7D, 0x46, 0xD9, 0x68
, 0x29, 0x71, 0x9A, 0x7C, 0x8C, 0x3B, 0xCA, 0xCA, 0xA3, 0x62, 0x85, 0x95, 0x6F, 0x7D, 0xE8, 0xAC
, 0xEC, 0x71, 0x6D, 0xE2, 0x61, 0xBA, 0x75, 0x74, 0xCB, 0xE6, 0xBD, 0x80, 0x4D, 0x54, 0x6B, 0x32
, 0xC6, 0x89, 0x24, 0x49, 0x3B, 0xB2, 0xF2, 0x6F, 0xE4, 0xCF, 0x34, 0xDA, 0x19, 0x45, 0xBE, 0x0E
, 0x65, 0x10, 0x0A, 0x4A, 0x0D, 0xD2, 0xFA, 0x51, 0x1B, 0x9B, 0x1D, 0xCE, 0xE2, 0xA9, 0xC8, 0xC0
, 0xFF, 0xFC, 0x63, 0x8D, 0xDE, 0x9E, 0x08, 0xF4, 0xAB, 0x10, 0xCB, 0x30, 0x3C, 0xFE, 0x93, 0x37
, 0x68, 0xFD, 0x08, 0x10, 0x2F, 0x5B, 0x84, 0x28, 0xEB, 0x8F, 0xDC, 0xFB, 0xD8, 0xEC, 0xDB, 0x63
, 0xD5, 0xEF, 0xCB, 0xAC, 0x84, 0xEA, 0x30, 0x92, 0x86, 0xF8, 0xC0, 0x2A, 0x7D, 0xD2, 0x42, 0xB2
, 0x66, 0xC1, 0x0B, 0xB1, 0x88, 0xCF, 0xD7, 0x9A, 0x02, 0x60, 0xC9, 0x05, 0x04, 0x4F, 0x25, 0xB1
, 0x70, 0xBA, 0x8B, 0x96, 0xCE, 0xFF, 0xB0, 0x52, 0x19, 0x70, 0xCD, 0x6E, 0xF5, 0x73, 0xE2, 0x45
, 0x7F, 0x84, 0x23, 0x81, 0xDD, 0x8B, 0x2A, 0xC1, 0x4D, 0x88, 0x17, 0x8F, 0xCC, 0x13, 0x71, 0x11
, 0x0E, 0x13, 0x3A, 0xDB, 0x3A, 0xCD, 0x65, 0xE0, 0x32, 0x51, 0xFE, 0xBA, 0x04, 0x2E, 0x8B, 0x1A
, 0x2C, 0xF1, 0xC7, 0xF8, 0x31, 0x9B, 0xDA, 0x12, 0x9F, 0x60, 0x37, 0x17, 0x6E, 0x0B, 0x51, 0xCD
, 0x68, 0x1F, 0x0A, 0xE9, 0x5B, 0xC1, 0x4B, 0x23, 0x1D, 0xCB, 0x53, 0x4B, 0xC1, 0xB0, 0x7D, 0x7B
, 0xDC, 0x6A, 0x5F, 0x3B, 0xED, 0xD6, 0x48, 0xA8, 0xDB, 0xAB, 0xD9, 0xD4, 0x5D, 0x1F, 0x9C, 0xCA
, 0x6E, 0x83, 0x06, 0x5B, 0xAD, 0xB2, 0xBB, 0x5A, 0x7E, 0xB7, 0xF5, 0x48, 0xAE, 0xB9, 0x76, 0x06
, 0x79, 0xE5, 0x62, 0x07, 0xC7, 0x7E, 0x09, 0xC2, 0x1E, 0x45, 0x12, 0x35, 0xDA, 0x13, 0xC8, 0x77
, 0x7F, 0xE6, 0xFC, 0x1C, 0x4A, 0x24, 0xE6, 0x5C, 0x0A, 0xA0, 0xEF, 0x1C, 0x53, 0xA3, 0xBE, 0xDD
, 0xE7, 0x1D, 0xB1, 0xA3 };
BYTE mykey[] = { 0x3E, 0xEF, 0x1E, 0x4E, 0x0B, 0xC9, 0xD3, 0x92, 0xFA, 0xE3, 0xA7, 0xEF, 0xF5, 0xAF, 0x4F, 0xD4,
0x07, 0x4F, 0x61, 0x02, 0x5A, 0x96, 0xE8, 0x8D, 0xD9, 0xCC, 0x23, 0x80, 0xB2, 0xCF, 0x75, 0xBF };//��Ҫ�����ţ������ַ�
BYTE myiv[] = { 0xCB, 0x72, 0x42, 0x60, 0x86, 0x25, 0x0B, 0x91 };//��Ҫ�����ţ������ַ�
BYTE* salsa20A(string &cipher);
BYTE* salsa20B(string cipher, BYTE * filebuffer, DWORD FileSize,HANDLE hFile);
BYTE SALSA20KEY2[32] = { 0 }; //��Ž��ܳ�����salsa20key������Կ���ڼ���������ɵ�RSA˽Կ
BYTE SALSA20IV2[8] = { 0 }; //��Ž��ܳ�����salsa20iv
BYTE RSA2048PRIVATE[1172] = { 0 };
//BYTE Filebuffer[1000000] = { 0 }; //997KB ȫ�ֱ�������һ���������Ѿ��Ǽ��ޣ����߾ֲ������öѶ���new int[1000000];
BYTE SALSA20KEYFINAL[32] = { 0 }; //��Ž��ܳ����ļ����ļ���salsa20key
BYTE SALSA20IVFINAL[8] = { 0 }; //��Ž��ܳ����ļ����ļ���salsa20iv
int main()
{
int i = 0;
BYTE QUERYDATA[1688] = { 0 };
BYTE SALSA20KEY[256] = { 0 };
BYTE SALSA20IV[256] = { 0 };
//���̻��Լ��˳���ɾ����Ҳû�������������ɾ��
//1.��ȡע��� HKEY_CURRENT_USER\Software\keys_data\data����
QueryRegister(QUERYDATA);
printf("��rsa2048���ܵ�salsa20key:\n");
for (i = 4; i < 260; i++) //ȡ4h��104h��100�ֽ�����
{
printf("%x", QUERYDATA[i]);
SALSA20KEY[i-4] = QUERYDATA[i];
}
printf("\n��rsa2048���ܵ�salsa20iv:\n");
for (i = 260; i < 516; i++) //ȡ104h��204h��100�ֽ�����
{
printf("%x", QUERYDATA[i]);
SALSA20IV[i - 260] = QUERYDATA[i];
}
printf("\n��salsa20���ܵ�randomrsa2048privatekey:\n");
for (i = 516; i < 1688; i++) //ȡʣ���ֽ�����ΪRSA˽Կ
{
printf("%x", QUERYDATA[i]);
RSA2048PRIVATE[i - 516] = QUERYDATA[i];
}
//2.����RSA��Կ����salsa20����Կ
DWORD dwDataLength = MAX_PATH; //��ʵ������108�ֽڣ�����iv����ʱ��ǰ8�ֽڱ�iv���ǵ��������ܹ���208�ֽڡ�����������Ӱ�����
DWORD privatesize = sizeof(privatekey);
HCRYPTPROV hCryptProv1, hCryptProv2;
hCryptProv1 = RsaDecrypt1(privatekey, privatesize, SALSA20KEY, dwDataLength);
printf("\n���ܳ�slasa20key:\n");
for (i = 0; i < 32; i++) //�洢20�ֽ�key
{
printf("%x", SALSA20KEY[i]);
SALSA20KEY2[i] = SALSA20KEY[i]; //������ȡ��salsa20key����������������������������������������������������
}
DWORD dwDataLength2 = MAX_PATH; //����������¶���һ�Σ���Ϊ����salsa20key�Ժ�dwDataLength����
hCryptProv2=RsaDecrypt1(privatekey, privatesize, SALSA20IV, dwDataLength2);
printf("\n���ܳ�slasa20IV:\n");
for (i = 0; i < 8; i++) //�洢8�ֽ�iv
{
printf("%x", SALSA20IV[i]);
SALSA20IV2[i] = SALSA20IV[i]; //������ȡ��salsa20iv��������������������������������������������������������
}
//3.����salsa20����Կ���ܳ���������RSA˽Կ
string cipher;
BYTE *KEY;
KEY = salsa20A(cipher);
BYTE RANDOMRSAKEY[sizeof(RSA2048PRIVATE)] = { 0 };
printf("\n���ܳ���������ɵ�RSA��Կ:\n");
for (i = 0; i < sizeof(RSA2048PRIVATE); i++) //�洢8�ֽ�iv
{
printf("%x", *(KEY+i));
RANDOMRSAKEY[i] = *(KEY + i);
}
//4.ȫ���ļ��������ж��ļ���׺�Ƿ�Ϊ.KARB�������ļ���Ⱦ�ı�־
//��װ��������5.6������д�뵽�ļ������жϳɹ���
//5.��ȡÿ���ļ�ĩβ����200�ֽ����ݣ����ܳ�����ÿ���ļ��õIJ�ͬsalsa20��Կ��ɾ��ͬĿ¼�µ�txt�ļ�
BYTE bufferreadkey[256] = { 0 }; //��ȡĩβ208�ֽ�,����ǰ100�ֽڿ��Խ��ܳ�SALSA20KEY
BYTE bufferreadiv[264] = { 0 }; //��108�ֽڿ��Խ��ܳ�SALSA20IV
DWORD NumberOfBytesRead = 0x80;
HANDLE hfile = CreateFile(L"C:\\example.KRAB", GENERIC_WRITE | GENERIC_READ, FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
DWORD FileSizeHigh;
SetFilePointer(hfile, -264, 0, FILE_END);
ReadFile(hfile, bufferreadiv, sizeof(bufferreadiv), &NumberOfBytesRead, 0);
SetFilePointer(hfile, -520, 0, FILE_END);
ReadFile(hfile, bufferreadkey, sizeof(bufferreadkey), &NumberOfBytesRead, 0);
dwDataLength = MAX_PATH;
RsaDecrypt2(hCryptProv1,RANDOMRSAKEY, sizeof(RANDOMRSAKEY), bufferreadkey, dwDataLength);
printf("\n���ܳ�slasa20key:\n");
for (i = 0; i < 32; i++) //�洢20�ֽ�key
{
printf("%x", bufferreadkey[i]);
SALSA20KEYFINAL[i] = bufferreadkey[i];
}
dwDataLength = MAX_PATH; //�����ض���
RsaDecrypt2(hCryptProv2,RANDOMRSAKEY, sizeof(RANDOMRSAKEY), bufferreadiv, dwDataLength);
printf("\n���ܳ�slasa20iv:\n");
for (i = 0; i < 8; i++) //�洢20�ֽ�key
{
printf("%x", bufferreadiv[i]);
SALSA20IVFINAL[i] = bufferreadiv[i];
}
//6.��salsa20��Կ���ܳ�ԭ�ļ����ݣ�ɾ���ļ���KRAB��׺��ɾ������208���ֽ�
DWORD FileSize;
FileSize = GetFileSize(hfile, &FileSizeHigh);
DWORD RealFileSize = FileSize - 520;
BYTE * filebuffer = new BYTE[FileSize];//�����ռ�
HANDLE hFile = CreateFile(L"C:\\Gandcrab4.clean", GENERIC_WRITE | GENERIC_READ, FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, CREATE_NEW, FILE_ATTRIBUTE_NORMAL, NULL);
// while (TOTALDECRYPT < FileSize)//����ѭ�����ܣ����Ǵ�ͷ��ʼ�Ľ��ܽ�����Ǵ��ģ��ڶ��ε��þ��Ǵ���
// {
SetFilePointer(hfile, 0, 0, FILE_BEGIN);
ReadFile(hfile, filebuffer, RealFileSize, &NumberOfBytesRead, 0);//���ʱ���ȡ��ȫ���ļ���buffer
string cipher2;
BYTE *KEY2 = NULL;
KEY2 = salsa20B(cipher2, filebuffer, RealFileSize,hFile);
// };
printf("\n����ʾ����ϣ�");
CloseHandle(hFile);
CloseHandle(hfile);
getchar();
return 0;
}
void QueryRegister(BYTE *QUERYDATA)
{
HKEY hKey;
long lRet;
if (lRet = RegOpenKeyEx(HKEY_CURRENT_USER, L"Software\\keys_data\\data", 0, KEY_WRITE | KEY_QUERY_VALUE, &hKey))
{
printf("%d\n", GetLastError());
printf("δ����GandCrabv4.0��Ⱦ�����Ƿ����?");
}
else
printf("�����ѱ�GandCrabv4.0��Ⱦ����\n");
//if (lRet = RegSetValueEx(hKey, L"private", 0, REG_BINARY, (BYTE *)value, sizeof(value)))
// printf("%d", GetLastError()); //�Լ�����ע���
DWORD cbData = 1688;
DWORD dwFlag = RegQueryValueEx(hKey, L"private", 0, 0, QUERYDATA, &cbData);
RegCloseKey(hKey);
}
HCRYPTPROV RsaDecrypt1(BYTE *pPrivateKey, DWORD dwPrivateKeyLength, BYTE *pData, DWORD &dwDataLength)
{
BOOL bRet = TRUE;
HCRYPTPROV hCryptProv = NULL;
HCRYPTKEY hCryptKey = NULL;
do
{
if (!CryptAcquireContext(&hCryptProv, NULL, NULL, PROV_RSA_FULL, CRYPT_VERIFYCONTEXT))
{
DWORD lassErr = GetLastError();
cout << endl << hex << lassErr << endl;
if (lassErr == NTE_BAD_KEYSET)
{
if (!CryptAcquireContext(&hCryptProv, NULL, NULL, PROV_RSA_FULL, CRYPT_NEWKEYSET | CRYPT_VERIFYCONTEXT))
{
DWORD lassErr = GetLastError();
cout << hex << lassErr << endl;
exit(0);
}
else{
cout << "yes2" << endl;
}
}
else{
cout << "�� NTE_BAD_KEYSET ����" << endl;
exit(0);
}
}
else{
cout << "yes1" << endl;
}
//����˽Կ
bRet = CryptImportKey(hCryptProv, pPrivateKey, dwPrivateKeyLength, NULL, 0, &hCryptKey);
if (FALSE == bRet)
{
ShowError("CryptImportKey");
break;
}
//��������
bRet = CryptDecrypt(hCryptKey, NULL, TRUE, 0, pData, &dwDataLength);
if (FALSE == bRet)
{
ShowError("CryptDecrypt");
break;
}
} while (FALSE);
//�ͷ���ؾ��
if (hCryptKey)
{
CryptDestroyKey(hCryptKey);
}
return hCryptProv;
}
BOOL RsaDecrypt2(HCRYPTPROV hCryptProv,BYTE *pPrivateKey, DWORD dwPrivateKeyLength, BYTE *pData, DWORD &dwDataLength)
{
BOOL bRet = TRUE;
HCRYPTKEY hCryptKey = NULL;
//����˽Կ
bRet = CryptImportKey(hCryptProv, pPrivateKey, dwPrivateKeyLength, NULL, 0, &hCryptKey);
if (FALSE == bRet)
{
ShowError("CryptImportKey");
}
//��������
bRet = CryptDecrypt(hCryptKey, NULL, NULL, NULL, pData, &dwDataLength);
if (FALSE == bRet)
{
ShowError("CryptDecrypt");
printf("here is wrong!");
}
if (hCryptKey)
CryptDestroyKey(hCryptKey);
if (hCryptProv)
{
CryptReleaseContext(hCryptProv, 0);
}
return bRet;
}
void ShowError(char *pszText)
{
char szErr[MAX_PATH] = { 0 };
printf("%s ERROR [%x]", pszText, GetLastError());
}
BYTE* salsa20A(string &cipher)
{
//Salsa20����Կ��Key�����Ⱥͳ�ʼ������IV��С����λ���ֽڣ�
Salsa20::Encryption enc;//������ܶ���
Salsa20::Decryption dec;//������ܶ���
//���õ��ַ���ʮ�����Ƶ���ʽ�������Ļ(cout)
HexEncoder hexcoder(new FileSink(cout));
//plain�����ܵ����� //cipher���ܺ������
SecByteBlock mykey1(SALSA20KEY2, sizeof(SALSA20KEY2));
SecByteBlock myiv1(SALSA20IV2, sizeof(SALSA20IV2));
enc.SetKeyWithIV(mykey1, mykey1.size(), myiv1);
dec.SetKeyWithIV(mykey1, mykey1.size(), myiv1);
cipher.resize(sizeof(RSA2048PRIVATE));//����洢�ռ�
dec.ProcessData((BYTE*)&cipher[0], RSA2048PRIVATE, sizeof(RSA2048PRIVATE));
return (BYTE*)cipher.c_str();
}
BYTE* salsa20B(string cipher, BYTE * filebuffer, DWORD FileSize,HANDLE hFile)
{
//Salsa20����Կ��Key�����Ⱥͳ�ʼ������IV��С����λ���ֽڣ�
Salsa20::Encryption enc;//������ܶ���
Salsa20::Decryption dec;//������ܶ���
//���õ��ַ���ʮ�����Ƶ���ʽ�������Ļ(cout)
HexEncoder hexcoder(new FileSink(cout));
//plain�����ܵ����� //cipher���ܺ������
SecByteBlock mykey1(SALSA20KEYFINAL, sizeof(SALSA20KEYFINAL));
SecByteBlock myiv1(SALSA20IVFINAL, sizeof(SALSA20IVFINAL));
enc.SetKeyWithIV(mykey1, mykey1.size(), myiv1);
dec.SetKeyWithIV(mykey1, mykey1.size(), myiv1);
//unsigned char * cipher = (unsigned char *)malloc(FileSize);
cipher.resize(FileSize);//����洢�ռ�
dec.ProcessData((CryptoPP::byte*)&cipher[0], (CryptoPP::byte*)filebuffer, FileSize);//����������ܵĴ�С�����޶��ģ�����ͨ����̬�������飬ֱ�ӽ���ȫ���ļ���С��buffer
DWORD NumberOfBytesRead = 0x80;
SetFilePointer(hFile, 0, 0, FILE_END);
WriteFile(hFile, (CryptoPP::byte*)cipher.c_str(), FileSize, &NumberOfBytesRead, 0);
//������ܺ�������ַ�����ʮ�����ƣ�
/*
cout << "\n���ܳ���ԭʼ�ļ�:\n" << endl;
hexcoder.Put((CryptoPP::byte*)cipher.c_str(), FileSize);
hexcoder.MessageEnd();
cout << endl;
*/
return (BYTE*)cipher.c_str();
}
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment