28 lines
507 B
C
28 lines
507 B
C
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#include <stdio.h>
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#include <string.h>
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#include <unistd.h>
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#include <stdint.h>
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#define SIZE (1024*1024)
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int main() {
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FILE *in = fopen("source", "r");
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FILE *out = fopen("cracked", "wb");
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char buffer[SIZE];
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size_t bytes;
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while (0 < (bytes = fread(buffer, 1, sizeof(buffer), in)))
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fwrite(buffer, 1, bytes, out);
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fclose(in);
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fclose(out);
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out = fopen("cracked", "r+b");
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long int offset = 0x520;
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uint8_t new = 0xe0;
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fseek(out, offset, SEEK_SET);
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fputc(new, out);
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fclose(out);
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return 0;
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}
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