Friday, May 22, 2020

How To Hack Facebook Messenger Conversation

FACEBOOK Messenger has become an exceptionally popular app across the globe in general. This handy app comes with very interactive and user-friendly features to impress users of all ages.

With that being said, there are a lot of people who are interested in knowing how to hack Facebook Messenger in Singapore, Hong Kong and other places. The requirement to hack Facebook Messenger arises due to various reasons. In this article, we are going to explain how to hack Facebook Messenger with ease.

As you may know, Facebook Messenger offers a large range of features. Compared to the initial release of this app, the latest version shows remarkable improvement. Now, it has a large range of features including group chats, video calls, GIFs, etc. A lot of corporate organizations use Facebook messenger as a mode of communication for their marketing purposes. Now, this messenger app is compatible with chatbots that can handle inquiries.

Why Hack Facebook Messenger in Singapore?

You may be interested in hacking Facebook Messenger in Singapore (or anywhere else) for various reasons. If you suspect that your partner is having an affair, you may want to hack Facebook Messenger. Or, if you need to know what your kids are doing with the messenger, you will need to hack it to have real time access.

You know that both of these situations are pretty justifiable and you intend no unethical act. You shouldn't hack Facebook Messenger of someone doesn't relate to you by any means, such a practice can violate their privacy. Having that in mind, you can read the rest of this article and learn how to hack Facebook Messenger.

How to Hack Someone's Facebook Messenger in Singapore

IncFidelibus is a monitoring application developed by a team of dedicated and experienced professionals. It is a market leader and has a customer base in over 191+ countries. It is very easy to install the app, and it provides monitoring and hacking of Facebook for both iOS and Android mobile devices. You can easily hack into someone's Facebook messenger and read all of their chats and conversations.

Not just reading the chats, you can also see the photo profile of the person they are chatting to, their chat history, their archived conversations, the media shared between them and much more. The best part is that you can do this remotely, without your target having even a hint of it. Can it get any easier than this?

No Rooting or Jailbreaking Required

IncFidelibus allows hacking your target's phone without rooting or jailbreaking it. It ensures the safety of their phone remains intact. You don't need to install any unique rooting tool or attach any rooting device.

Total Web-Based Monitoring

You don't need to use any unique gadget or app to track activity with IncFidelibus. It allows total web-based monitoring. All that you need is a web browser to view the target device's data and online activities.

Spying With IncFidelibus in Singapore

Over ten years of security expertise, with over 570,000 users in about 155+ countries, customer support that can be reached through their website, and 96% customer satisfaction. Need more reasons to trust IncFidelibus?

Stealth Mode

IncFidelibus runs in pure Stealth mode. You can hack and monitor your target's device remotely and without them knowing about it. IncFidelibus runs in the background of your target's device. It uses very less battery power and doesn't slow down your phone.

Hacking Facebook Messenger in Singapore using IncFidelibus

Hacking Facebook Messenger has never been this easy. IncFidelibus is equipped with a lot of advance technology for hacking and monitoring Facebook. Hacking someone's Facebook Messenger is just a few clicks away! 

Track FB Messages in Singapore

With IncFidelibus, you can view your target's private Facebook messages and group chats within a click. This feature also allows you to access the Facebook profile of the people your target has been interacting with. You can also get the media files shared between the two.

Android Keylogger

IncFidelibus is equipped with a powerful keylogger. Using this feature, you can record and then read every key pressed by your target on their device.

This feature can help get the login credentials of your target. You can easily log into someone's Facebook and have access to their Facebook account in a jiffy.

What Else Can IncFidelibus Do For You?

IncFidelibus control panel is equipped with a lot of other monitoring and hacking tools and services, including;

Other Social Media Hacking

Not just FB messenger, but you can also hack someone's Instagram, Viber, Snapchat, WhatsApp hack, SMS conversations, call logs, Web search history, etc.

SIM card tracking

You can also track someone SIM card if someone has lost their device, changed their SIM card. You can get the details of the new number also.

Easy Spying Possible with IncFidelibus

Monitoring someone's phone is not an easy task. IncFidelibus has spent thousands of hours, had sleepless nights, did tons of research, and have given a lot of time and dedication to make it possible.

@HACKER NT

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Thursday, May 21, 2020

Pointers Part 1: The Basics



So you're eager to learn about pointers but unfortunately you got stuck because they seemed to you terrible in nature? That's not true I know, but many of the people get confused when they arrive at the topic of pointers. Well pointers are the most important tools in C programming and are the one that can make you fly (unless you don't know how to ride over them). In this article we're going to learn basics of pointers.
Pointers are the varaibles that store addresses of other variables. Easy ain't it?
So lets start with the decleration of a pointer, pointer is decreleared as:
data_type *var_name;
e,g
int *pt;
well the astrisk(*) before the variable name is the thing that makes variable a pointer. So far so good now what?
Now lets say we want to store address of a variable in our pointer variable that seems pretty complex..!
Let's do it:
int number = 100;
int *pt = #
Is it really complex..?
what we are doing here is that we are first declaring and initializing a integer variable (number) with value of 100 and then we declare and initialize a pointer variable (pt) with the address of number variable. Now pt (pointer variable) contains the address of number (integer varaible). So what? Now we can use this pointer variable to change the value of number variable. Is this some kind of Magic? Maybe. Lets' do it:
*pt = 200;
what we have done here is that we De-referencing the pt variable with the asterisk (*) and then assigned it the value of 200 now the number variable contains 200. Isn't it a magic? De-referencing is used for accessing the value of the variable towards which our pointer is pointing simple. So lets write a full program of what we have learned so far.
/*Pointer Basics: Creating and Using Pointers*/
#include<stdio.h>
int main(void){
  int number = 100;
  int *pt = &number;
  printf("Value of 'number' is: %d", number);
  printf("Address of 'number' is: %p", pt);
  *pt = 200;
  printf("New value of 'number' is: %d", number);
  return 0;
}
What this whole program did was it created a integer variable and a pointer to integer variable and then printed out the value and address of the 'number' variable and after that we De-referenced the pointer variable so that we can access the value to which our pointer variable is pointing and changed the old 100 value with new 200 value and at last we printed that out. Easy isn't it?
But do you know that you can get the address of a variable even by using ampersand (&) operator? Lemme show you how. I'll declare and initialize a variable 'var' and then print it to screen using ampersand (&) operator:
int var = 10;
printf("Address of 'var' is %p\n", &var);
the last statement here will print out the address of 'var' not value so that means it is equal to this statement:
int *pt = &var;
printf("Address of 'var' is %p\n", pt);
here we first assigned the address of 'var' to pointer variable 'pt' and then printed out the address of 'var' using the pointer variable (pt).
So lets write another program that will wrap up this part of 'Pointer Basics':
/*Pointer Basics Part 1: Program 2*/
#include<stdio.h>
int main(void){
   int var = 10;
   int *pt = &var;
   printf("The Value of 'var' is: %d\n", var);
   printf("De-referencing: *pt = %d\n", *pt);
   printf("Ampersand: The Address of 'var' is %p\n",  &var);
   printf("pt = %p\n", pt);
   return 0;
}
So that's the end of first part watch out for the next part in which we'll tighten our grip on pointers and get ready for some Advanced '*po(inter)-fo'.

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Brutality: A Fuzzer For Any GET Entries

Brutalitys' Features
  • Multi-threading on demand.
  • Fuzzing, bruteforcing GET params.
  • Find admin panels.
  • Colored output.
  • Hide results by return code, word numbers.
  • Proxy support.
  • Big wordlist.
Screenshots:

Brutality's Installtion

How to use Brutality?

Examples:
   Use default wordlist with 5 threads (-t 5) and hide 404 messages (–e 404) to fuzz the given URL (http://192.168.1.1/FUZZ):
python brutality.py -u 'http://192.168.1.1/FUZZ' -t 5 -e 404

   Use common_pass.txt wordlist (-f ./wordlist/common_pass.txt), remove response with 6969 length (-r 6969) and proxy at 127.0.0.1:8080 (-p http://127.0.0.1:8080) to fuzz the given URL (http://192.168.1.1/brute.php?username=admin&password=FUZZ&submit=submit#):
python brutality.py -u 'http://192.168.1.1/brute.php?username=admin&password=FUZZ&submit=submit#' -f ./wordlist/common_pass.txt -r 6969 -p http://127.0.0.1:8080

ToDo List:
  • Smooth output.
  • Export file report.
  • Modularization.

More info


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How To Insert Data Into Database | Tutorial 3


Welcome to my another tutorial of PHP and MYSQL. In the previous tutorial I've briefly discussed How to make a PHP file and How to save the PHP file in the root directory of the server. How to run PHP script over the Web Browser etc.

Now in this tutorial I've discussed about inserting data into database by getting the values from user with the help of HTML form. One thing should be remembered that getting a values from users by HTML form is the only way to get values from users in PHP.

How To Insert Data into Database

Step 1:

Open your text editor and create HTML form. 

Step 2:

Make a database connection in PHP.

Step 3:

Write an INSERT query for the sake of insertion data into database like INSERT INTO table_Name(table_Attribute1, table_Attribute2....) VALUES('1', 'Alex'...); etc. Now watch the video to make a better understanding the concept of insertion.


Usage

   Example: python3 Router_Exploit_Shovel.py -b test_binaries/mipseb-httpd -l test_binaries/libuClibc-0.9.30.so -o 0x00478584

Router-Exploit-Shovel's screenshot

Code structure

ROP chain generation
   This tool uses pattern to generate ROP chains. Extract patterns from common ROP exploitation procedure. Use regex matching to find available gadgets to fill up chain strings. Base64 encoding is to avoid duplicate character escapes. For example:

Attackblocks
   You can get attackblocks generated in results/attackBlocks.txt. Such as:

You might like these similar tools:

Related word


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Top 15 Best Operating System Professional Hackers Use

Top 10 Best Operating System Professional Hackers Use

Top 15 Best Operating System Professional Hackers Use

Top 15 Best Operating System Professional Hackers Use

A hacker is someone who seeks and exploits the weaknesses of a computer system or network computing. Hackers may be motivated by a multitude of reasons, such as profit, protest, challenge, enjoyment or to assess these weaknesses to help in removing them.
The listed operating systems are based on the Linux kernel so it is all free operating systems.

1. Kali Linux

Kali Linux maintained and funded by Offensive Security Ltd. and it is first on our list. Kali Linux is a Debian-derived Linux distribution designed for digital forensics and penetration testing. It was developed by Mati Aharoni and Devon Kearns of Offensive Security through rewriting BackTrack, its previous forensics Linux distribution based on Ubuntu. Kali Linux has a specific project for the withdrawal of compatibility and portability of Android-specific devices, called Kali Linux NetHunter. It is the first open test platform penetration Source for Nexus Android devices, created as a joint effort between the member of the Kali "BinkyBear" Security and offensive community. It supports Wireless 802.11 frame injection, one-click configurations MANA Evil access point, keyboard HID (Teensy as attacks), as well as attacks MITM USB Mala.

2. Back Box

Back Box is an evaluation penetration testing Linux distribution and Ubuntu-based security aimed at providing an analysis of computer network systems and toolkit. Desktop environment back box includes a complete set of tools needed for ethical hacking and security testing.

3. Parrot Security OS

Parrot Security OS is a GNU / Linux distribution based on Debian. Fue built in order to perform penetration tests (safety information), vulnerability assessment and mitigation, Computer Forensics and Anonymous Surfing. Ha been developed by the team of Frozen box.
Parrot is based on the stable branch (Jessie) of Debian, a Linux 4.1 kernel hardened customized with a branch grsecurity patched available. The desktop environment is MATE fork of Gnome 2, and the default display manager is LightDM. The project is certified to run on machines with 265MB of RAM minimum follow and it is suitable for both 32-bit (i386) and 64-bit (amd64), with a special edition that works on 32-bit machines of age (486). Moreover, the project is available for Armel and armhf architectures. It even offers an edition (both 32 bit and 64 bit) developed for servers only for pen testing cloud.

4. Live Hacking OS

Live Hacking OS is a Linux distribution packed with tools and utilities for ethical hacking, penetration testing, and countermeasure verification. It includes embedded GUI GNOME user. There is a second variation available which has only the command line and requires much fewer hardware requirements.

5. DEFT Linux

DEFT stands for Digital Evidence and Forensic Toolkit and it is a distribution of Linux open source software built around the DART (Toolkit for Advanced Response Digital) and is based on the Ubuntu operating system. It has been designed from scratch to offer some of the best computer forensics open source and incident response tools that can be used by individuals, IT auditors, investigators, military, and police.

6. Samurai Web Testing Framework

The Samurai Web Testing Framework is a live Linux environment which has been pre-configured to function as a web pen-testing environment. The CD contains the best of open source and free tools that focus on testing and websites that attack. In the development of this environment, it is based on our selection of tools that we use in our practice of security. Hence, it includes the tools that were used in the four steps of a pen-test web.

7. Network Security Toolkit

The Network Security Toolkit (NST) is a Live CD based on Linux that provides a set of security tools computing and open source network to carry out routine security tasks and diagnostic networks and tracing. The distribution can be used as an analysis of network security, validation and monitoring tool for servers hosting virtual machines. NST has management capabilities similar to Fedora packages and maintains its own repository of additional packages.

8. Bugtraq

Bugtraq is a mailing list dedicated to safety issues in computers. On-topic issues new discussions about vulnerabilities, security-related notices providers, operating methods, and how to fix them. This is a mailing list of large volume, and almost all new vulnerabilities are there. Bugtraq computer freaks and experienced developers are discussed, is available in Debian, Ubuntu and openSUSE 32 and 64-bit architectures.

9. NodeZero

NodeZero is an open source system based on the operating core derived from the most popular Linux distribution in the world, Ubuntu, and designed to be used for penetration testing operations. The distribution can be downloaded as an ISO image live DVD, which will also take place on computers that support both 32-bit (x86) and 64-bit (x86_64) instruction set. Besides the fact that it allows you to start the live system, start menu contains several advanced features such as the ability to perform a diagnostic test of system memory, boot from local disk options, start the installer directly and to start in safe graphics mode, text mode or in debug mode.
Default graphical desktop environment NodeZero is powered by GNOME, which uses the classic GNOME interface. It has a design of two panels and uses the default software repositories of Ubuntu.

10. Pentoo

Pentoo is a Live CD and Live USB OS designed for penetration testing and security assessment. It is based on Gentoo Linux, Pentoo is offered both as 32-bit and 64-bit live cd which is installable. Pentoo is also available as a superposition of an existing Gentoo installation. It has conductors packet injection patched wifi, GPGPU cracking software, and plenty of tools for penetration testing and security assessment. The kernel includes Pentoo grsecurity and PAX hardening and additional patches with the binary compiled from a string of hardened with the latest nightly versions of some tools that are available.

#11 Live Hacking OS

Well, this Linux distro actually comes with some useful hacking tools which are often used in penetration testing or ethical hacking purpose. Live Hacking OS consists of the GNOME inbuilt. The operating system is really easy to operate and it can work on less RAM.

#12 Knoppix STD

This is another best Linux distro which focuses on tools for computer security. Knoppix STD brings some advanced tools for Password cracking, Firewalls, Network Utilities, Honeypots, Wireless Networking and more. This is one of the most used operating systems for Hackers.

#13 Cyborg Hawk

Cyborg Hawk is a new operating system which is based on Ubuntu Linux. Well, lots of hackers talk about Cyborg hawk and its one of the most powerful and cutting-edge penetration testing distribution that has ever been created. The operating system houses more than 700 tools for different purposes.

#14 Blackbuntu

Well, this is another operating system which is based on Linux and it was specially developed for penetration testing. Well, the operating system is very famous amongst hackers and it offers an awesome platform to learn Information security.

#15 Weakerth4n

Well, this is another best operating system which is used by professional hackers. WeakerTh4n actually comes with lots of hacking tools and it's actually a modern operating system for WiFi Hacking. Some of the wireless tools include SQL Hacking, Password Cracking, WiFi attacks, Cisco exploitation and more.

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Blockchain Exploitation Labs - Part 3 Exploiting Integer Overflows And Underflows




In part 1 and 2 we covered re-entrancy and authorization attack scenarios within the Ethereum smart contract environment. In this blog we will cover integer attacks against blockchain decentralized applications (DAPs) coded in Solidity.

Integer Attack Explanation:

An integer overflow and underflow happens when a check on a value is used with an unsigned integer, which either adds or subtracts beyond the limits the variable can hold. If you remember back to your computer science class each variable type can hold up to a certain value length. You will also remember some variable types only hold positive numbers while others hold positive and negative numbers.

If you go outside of the constraints of the number type you are using it may handle things in different ways such as an error condition or perhaps cutting the number off at the maximum or minimum value.

In the Solidity language for Ethereum when we reach values past what our variable can hold it in turn wraps back around to a number it understands. So for example if we have a variable that can only hold a 2 digit number when we hit 99 and go past it, we will end up with 00. Inversely if we had 00 and we subtracted 1 we would end up with 99.


Normally in your math class the following would be true:

99 + 1 = 100
00 - 1 = -1


In solidity with unsigned numbers the following is true:

99 + 1 = 00
00 - 1 = 99



So the issue lies with the assumption that a number will fail or provide a correct value in mathematical calculations when indeed it does not. So comparing a variable with a require statement is not sufficiently accurate after performing a mathematical operation that does not check for safe values.

That comparison may very well be comparing the output of an over/under flowed value and be completely meaningless. The Require statement may return true, but not based on the actual intended mathematical value. This in turn will lead to an action performed which is beneficial to the attacker for example checking a low value required for a funds validation but then receiving a very high value sent to the attacker after the initial check. Lets go through a few examples.

Simple Example:

Lets say we have the following Require check as an example:
require(balance - withdraw_amount > 0) ;


Now the above statement seems reasonable, if the users balance minus the withdrawal amount is less than 0 then obviously they don't have the money for this transaction correct?

This transaction should fail and produce an error because not enough funds are held within the account for the transaction. But what if we have 5 dollars and we withdraw 6 dollars using the scenario above where we can hold 2 digits with an unsigned integer?

Let's do some math.
5 - 6 = 99

Last I checked 99 is greater than 0 which poses an interesting problem. Our check says we are good to go, but our account balance isn't large enough to cover the transaction. The check will pass because the underflow creates the wrong value which is greater than 0 and more funds then the user has will be transferred out of the account.

Because the following math returns true:
 require(99 > 0) 

Withdraw Function Vulnerable to an UnderFlow:

The below example snippet of code illustrates a withdraw function with an underflow vulnerability:

function withdraw(uint _amount){

    require(balances[msg.sender] - _amount > 0);
    msg.sender.transfer(_amount);
    balances[msg.sender] -= _amount;

}


In this example the require line checks that the balance is greater then 0 after subtracting the _amount but if the _amount is greater than the balance it will underflow to a value above 0 even though it should fail with a negative number as its true value.

require(balances[msg.sender] - _amount > 0);


It will then send the value of the _amount variable to the recipient without any further checks:

msg.sender.transfer(_amount);

Followed by possibly increasing the value of the senders account with an underflow condition even though it should have been reduced:

balances[msg.sender] -= _amount;


Depending how the Require check and transfer functions are coded the attacker may not lose any funds at all but be able to transfer out large sums of money to other accounts under his control simply by underflowing the require statements which checks the account balance before transferring funds each time.

Transfer Function Vulnerable to a Batch Overflow:

Overflow conditions often happen in situations where you are sending a batched amount of values to recipients. If you are doing an airdrop and have 200 users who are each receiving a large sum of tokens but you check the total sum of all users tokens against the total funds it may trigger an overflow. The logic would compare a smaller value to the total tokens and think you have enough to cover the transaction for example if your integer can only hold 5 digits in length or 00,000 what would happen in the below scenario?


You have 10,000 tokens in your account
You are sending 200 users 499 tokens each
Your total sent is 200*499 or 99,800

The above scenario would fail as it should since we have 10,000 tokens and want to send a total of 99,800. But what if we send 500 tokens each? Lets do some more math and see how that changes the outcome.


You have 10,000 tokens in your account
You are sending 200 users 500 tokens each
Your total sent is 200*500 or 100,000
New total is actually 0

This new scenario produces a total that is actually 0 even though each users amount is 500 tokens which may cause issues if a require statement is not handled with safe functions which stop an overflow of a require statement.



Lets take our new numbers and plug them into the below code and see what happens:

1. uint total = _users.length * _tokens;
2. require(balances[msg.sender] >= total);
3. balances[msg.sender] = balances[msg.sender] -total;

4. for(uint i=0; i < users.length; i++){ 

5.       balances[_users[i]] = balances[_users[i]] + _value;



Same statements substituting the variables for our scenarios values:

1. uint total = _200 * 500;
2. require(10,000 >= 0);
3. balances[msg.sender] = 10,000 - 0;

4. for(uint i=0; i < 500; i++){ 

5.      balances[_recievers[i]] = balances[_recievers[i]] + 500;


Batch Overflow Code Explanation:

1: The total variable is 100,000 which becomes 0 due to the 5 digit limit overflow when a 6th digit is hit at 99,999 + 1 = 0. So total now becomes 0.

2: This line checks if the users balance is high enough to cover the total value to be sent which in this case is 0 so 10,000 is more then enough to cover a 0 total and this check passes due to the overflow.

3: This line deducts the total from the senders balance which does nothing since the total of 10,000 - 0 is 10,000.  The sender has lost no funds.

4-5: This loop iterates over the 200 users who each get 500 tokens and updates the balances of each user individually using the real value of 500 as this does not trigger an overflow condition. Thus sending out 100,000 tokens without reducing the senders balance or triggering an error due to lack of funds. Essentially creating tokens out of thin air.

In this scenario the user retained all of their tokens but was able to distribute 100k tokens across 200 users regardless if they had the proper funds to do so.

Lab Follow Along Time:

We went through what might have been an overwhelming amount of concepts in this chapter regarding over/underflow scenarios now lets do an example lab in the video below to illustrate this point and get a little hands on experience reviewing, writing and exploiting smart contracts. Also note in the blockchain youtube playlist we cover the same concepts from above if you need to hear them rather then read them.

For this lab we will use the Remix browser environment with the current solidity version as of this writing 0.5.12. You can easily adjust the compiler version on Remix to this version as versions update and change frequently.
https://remix.ethereum.org/

Below is a video going through coding your own vulnerable smart contract, the video following that goes through exploiting the code you create and the videos prior to that cover the concepts we covered above:


Download Video Lab Example Code:

Download Sample Code:

//Underflow Example Code: 
//Can you bypass the restriction? 
//--------------------------------------------
 pragma solidity ^0.5.12;

contract Underflow{
     mapping (address =>uint) balances;

     function contribute() public payable{
          balances[msg.sender] = msg.value;  
     }

     function getBalance() view public returns (uint){
          return balances[msg.sender];     
     }

     function transfer(address _reciever, uint _value) public payable{
         require(balances[msg.sender] - _value >= 5);
         balances[msg.sender] = balances[msg.sender] - _value;  

         balances[_reciever] = balances[_reciever] + _value;
     }
    
}

This next video walks through exploiting the code above, preferably hand coded by you into the remix environment. As the best way to learn is to code it yourself and understand each piece:


 

Conclusion: 

We covered a lot of information at this point and the video series playlist associated with this blog series has additional information and walk throughs. Also other videos as always will be added to this playlist including fixing integer overflows in the code and attacking an actual live Decentralized Blockchain Application. So check out those videos as they are dropped and the current ones, sit back and watch and re-enforce the concepts you learned in this blog and in the previous lab. This is an example from a full set of labs as part of a more comprehensive exploitation course we have been working on.

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