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Sep 1st, 2014
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  1. #include <unistd.h>
  2. #include <sys/types.h>
  3. #include <grp.h>
  4. #include <stdio.h>
  5.  
  6. int main (int argc, char** argv) {
  7. gid_t newGrp = 0;
  8. if (setuid(0) != 0) {
  9.  
  10. perror("Setuid failed, no suid-bit set?");
  11.  
  12. return 1;
  13.  
  14. }
  15.  
  16. setgid(0);
  17.  
  18. seteuid(0);
  19.  
  20. setegid(0);
  21.  
  22. setgroups(1, &newGrp);
  23.  
  24. execvp("/bin/sh", argv);
  25.  
  26. return 0;
  27.  
  28. }
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