Cheat Sheet :: GCC Compiling Cheat Sheet

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gcc -static cve_2016_0728.c -o cve_2016_0728 -lkeyutils -Wall

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apt-get install mingw-w64

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i686-w64-mingw32-gcc 271.c -o 271
x86_64-w64-mingw32-gcc-win32 271.c -o 271

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wine file.exe

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gcc -ggdb source.c -o prog_with_symbols

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objcopy --strip-debug --strip-unneeded prog_not_stripped prog_stripped

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objcopy --only-keep-debug rip_from_binary debug_file

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#include <stdio.h>

int main(void){
    int var = 5;
    int *p;

    printf("Address of var is: %p\n", &var);
    printf("Address of p is: %p\n", &p);

    p = &var;
    printf("Content of p is: %p\n", p);
    printf("Content wich p is pointing is: %i\n", *p);
    printf("Content of var is: %i\n", var);
    printf("Address of var is: %p\n", &var);
    printf("Address of p is: %p\n", &p);

    printf("*********************\n");
    *p = 100;
    printf("%i\n", var);
    printf("%i\n", *p);
    printf("Content of p is: %p\n", p);
    printf("Address of var is: %p\n", &var);
    printf("Address of p is: %p\n", &p);

    printf("*********************\n");
    p = 300;
    printf("%i\n", var);
    printf("%i\n", p);
    printf("Content of p is: %p\n", p);
    printf("Address of var is: %p\n", &var);
    printf("Address of p is: %p\n", &p);

    printf("*********************\n");
    printf("Final content of var: %i\n", var);
    printf("Content of p is: %p\n", p);
    return 0;
}