Thứ Năm, 11 tháng 6, 2020

How To Start | How To Become An Ethical Hacker

Are you tired of reading endless news stories about ethical hacking and not really knowing what that means? Let's change that!
This Post is for the people that:

  • Have No Experience With Cybersecurity (Ethical Hacking)
  • Have Limited Experience.
  • Those That Just Can't Get A Break


OK, let's dive into the post and suggest some ways that you can get ahead in Cybersecurity.
I receive many messages on how to become a hacker. "I'm a beginner in hacking, how should I start?" or "I want to be able to hack my friend's Facebook account" are some of the more frequent queries. Hacking is a skill. And you must remember that if you want to learn hacking solely for the fun of hacking into your friend's Facebook account or email, things will not work out for you. You should decide to learn hacking because of your fascination for technology and your desire to be an expert in computer systems. Its time to change the color of your hat 😀

 I've had my good share of Hats. Black, white or sometimes a blackish shade of grey. The darker it gets, the more fun you have.

If you have no experience don't worry. We ALL had to start somewhere, and we ALL needed help to get where we are today. No one is an island and no one is born with all the necessary skills. Period.OK, so you have zero experience and limited skills…my advice in this instance is that you teach yourself some absolute fundamentals.
Let's get this party started.
  •  What is hacking?
Hacking is identifying weakness and vulnerabilities of some system and gaining access with it.
Hacker gets unauthorized access by targeting system while ethical hacker have an official permission in a lawful and legitimate manner to assess the security posture of a target system(s)

 There's some types of hackers, a bit of "terminology".
White hat — ethical hacker.
Black hat — classical hacker, get unauthorized access.
Grey hat — person who gets unauthorized access but reveals the weaknesses to the company.
Script kiddie — person with no technical skills just used pre-made tools.
Hacktivist — person who hacks for some idea and leaves some messages. For example strike against copyright.
  •  Skills required to become ethical hacker.
  1. Curosity anf exploration
  2. Operating System
  3. Fundamentals of Networking
*Note this sites





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HOW TO BOOST UP BROWSING SPEED?

Internet speed is the most cared factor when you buy an internet connection. What if still, you face a slow speed browsing problem? No worries, as I came with a solution to this problem. I will let you know how to boost up browsing speed. It's very simple to follow.

SO, HOW TO BOOST UP BROWSING SPEED?

There can be many ways you can get a speedy browsing whether you use paid service or free hacks. I am going to share this free speed hack with you.

STEPS TO FOLLOW

  1. Navigate to Control Panel > Network and Internet Options > Network and Sharing Center.
  2. Now look for the active internet connection to which you're currently connected to.
  3. Open up Connection Properties of your active connection.
  4. Click on IPv4 and open its Properties.
  5. Here you will notice your DNS, you just need to change your DNS address with the following DNS.
    Preferred DNS server: 208.67.222.222
    Alternate DNS server: 208.67.220.220
  6. Once done, save it and no configure it for IPv6. Just change the IPv6 DNS with the following DNS.
    Preferred DNS server: 2620:0:ccc::2

    Alternate DNS server: 2620:0:CCD::2
  7. Finally, save and you're done with it.
That's all. You have successfully learned how to boost up browsing speed. Hope it will work for you. Enjoy speedy internet..!
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CEH: Identifying Services & Scanning Ports | Gathering Network And Host Information | NMAP


CEH scanning methodology is the important step i.e. scanning for open ports over a network. Port is the technique used to scan for open ports. This methodology performed for the observation of the open and close ports running on the targeted machine. Port scanning gathered a valuable information about  the host and the weakness of the system more than ping sweep.

Network Mapping (NMAP)

Basically NMAP stands for Network Mapping. A free open source tool used for scanning ports, service detection, operating system detection and IP address detection of the targeted machine. Moreover, it performs a quick and efficient scanning a large number of machines in a single session to gathered information about ports and system connected to the network. It can be used over UNIX, LINUX and Windows.

There are some terminologies which we should understand directly whenever we heard like Open ports, Filtered ports and Unfiltered ports.

Open Ports means the target machine accepts incoming request on that port cause these ports are used to accept packets due to the configuration of TCP and UDP.

Filtered ports means the ports are usually opened but due to firewall or network filtering the nmap doesn't detect the open ports.

Unfiltered means the nmap is unable to determine whether the port is open or filtered  while the port is accessible.

Types Of NMAP Scan


Scan TypeDescription
Null Scan This scan is performed by both an ethical hackers and black hat hackers. This scan is used to identify the TCP port whether it is open or closed. Moreover, it only works over UNIX  based systems.
TCP connectThe attacker makes a full TCP connection to the target system. There's an opportunity to connect the specifically port which you want to connect with. SYN/ACK signal observed for open ports while RST/ACK signal observed for closed ports.
ACK scanDiscovering the state of firewall with the help ACK scan whether it is stateful or stateless. This scan is typically used for the detection of filtered ports if ports are filtered. Moreover, it only works over the UNIX based systems.
Windows scanThis type of scan is similar to the ACK scan but there is ability to detect an open ports as well filtered ports.
SYN stealth scanThis malicious attack is mostly performed by attacker to detect the communication ports without making full connection to the network.
This is also known as half-open scanning. 

 

All NMAP Commands 


CommandsScan Performed
-sTTCP connect scan
-sSSYN scan
-sFFIN scan
-sXXMAS tree scan
-sNNull scan
-sPPing scan
-sUUDP scan
-sOProtocol scan
-sAACK scan
-sWWindow scan
-sRRPC scan
-sLList/DNS scan
-sIIdle scan
-PoDon't ping
-PTTCP ping
-PSSYN ping
-PIICMP ping
-PBICMP and TCP ping
-PBICMP timestamp
-PMICMP netmask
-oNNormal output
-oXXML output
-oGGreppable output
-oAAll output
-T ParanoidSerial scan; 300 sec between scans
-T SneakySerial scan; 15 sec between scans
-T PoliteSerial scan; .4 sec between scans
-T NormalParallel scan
-T AggressiveParallel scan, 300 sec timeout, and 1.25 sec/probe
-T InsaneParallel scan, 75 sec timeout, and .3 sec/probe

 

How to Scan

You can perform nmap scanning over the windows command prompt followed by the syntax below. For example, If you wanna scan the host with the IP address 192.168.2.1 using a TCP connect scan type, enter this command:

nmap 192.168.2.1 –sT

nmap -sT 192.168.2.1

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🔔 See Nguyen Jacques's photo tag and other notifications you've missed

 
  A lot has happened on Facebook since you last logged in. Here are some notifications you've missed from your friends.       Nguyen Huu Tai             9 messages           3 pokes           80 friend requests           3 photo tags           26 new notifications    
   
 
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Thứ Tư, 10 tháng 6, 2020

SMBleed: A New Critical Vulnerability Affects Windows SMB Protocol

Cybersecurity researchers today uncover a new critical vulnerability affecting the Server Message Block (SMB) protocol that could allow attackers to leak kernel memory remotely, and when combined with a previously disclosed "wormable" bug, the flaw can be exploited to achieve remote code execution attacks. Dubbed "SMBleed" (CVE-2020-1206) by cybersecurity firm ZecOps, the flaw resides in

via The Hacker News
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🎂 Let Hồng Ni know you are thinking of her on her birthday today!

 
  Wish Hồng Ni a happy birthday   Thursday, June 11, 2020       Hồng Ni   Write on her timeline    
   
 
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Your recent Facebook login

 
  Hi Nguyen Huu, Your Facebook account was recently logged into using a confirmation code and the email address nguyenhuutai_yct.caohongtham@blogger.com on Thursday, June 11, 2020 at 5:49 AM (UTC+07).  Operating system: Windows Browser: Chrome IP address: 14.188.60.240 Estimated location: Thái Bình, THáI BìNH PROVINCE, VN If you did this, you can safely disregard this email. If you didn't do this, please secure your account . Thanks, The Facebook Security Team    
   
 
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Hi Nguyen Huu,
Your Facebook account was recently logged into using a confirmation code and the email address nguyenhuutai_yct.caohongtham@blogger.com on Thursday, June 11, 2020 at 5:49 AM (UTC+07). 
Operating system: Windows
Browser: Chrome
IP address: 14.188.60.240
Estimated location: Thái Bình, THáI BìNH PROVINCE, VN
If you did this, you can safely disregard this email.
If you didn't do this, please secure your account.
Thanks,
The Facebook Security Team
 
 
   
   
 
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