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Date: Sat, 2 Jan 2021 17:54:15 -0500
From: malvuln <>
Subject: [FD] BACKDOOR.WIN32.ADVERBOT / Remote Stack Corruption

Discovery / credits: malvuln - (c) 2021
Original source:

Vulnerability: Remote Stack Corruption
Description: Null instruction pointer read stack corruption when
connecting to an IRC server Port 6667.
The NetControl.File component allows connecting to server to IRC
servers to file share or send messages under Menu/connect.

Type: PE32
MD5: 9919c1e86a750dd6d4f0d2a851af29ea
Vuln ID: MVID-2021-0003
Dropped files:
ASLR: False
DEP: False
Safe SEH: True
Disclosure: 01/02/2021

Memory Dump:
0:000> .ecxr
eax=00000000 ebx=46454447 ecx=00000000 edx=0019c21f esi=00000000 edi=00000000
eip=00000000 esp=0019d264 ebp=00000000 iopl=0         nv up ei pl nz na pe nc
cs=0023  ss=002b  ds=002b  es=002b  fs=0053  gs=002b             efl=00010206
00000000 ??              ???

ExceptionAddress: 00000000
   ExceptionCode: c0000005 (Access violation)
  ExceptionFlags: 00000000
NumberParameters: 2
   Parameter[0]: 00000000
   Parameter[1]: 00000000
Attempt to read from address 00000000

import socket


def doit():
    global payload
    s = socket.socket()
        host = ''
        s.bind((host, port))

        print('Backdoor.Win32.Adverbot / Null Pointer Read Stack Corruption')
        print('MD5: 9919c1e86a750dd6d4f0d2a851af29ea')
        print("By malvuln")

        while True:
            conn, addr = s.accept()
    except Exception as e:

if __name__=="__main__":

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