Megan's Online Guide to The Good Stuff

vanillaalmonds · at 8/31/2020 03:17:00 AM

How to control Android phone From another phone Remotely

If you wish to remotely control Android phone from another phone, then you have come to the right place. It might sound surprising, but now you can easily control Android from Android by using the right kinds of applications. This can let you keep a strict eye on your kids, spouse, or anyone else remotely. In this informative post, we will make you familiar with different Android to Android remote control apps. Also, we will provide a stepwise solution to use an Android tracking app as well. Let's uncover them by taking one step at a time.

Control Android Phone from Another Phone Remotely

There could be numerous reasons to control Android from Android remotely. In most of the cases, it is used by professionals to access a device over the air. Also, parents like to use an Android to Android remote control at times to get a complete access to their kid's smartphones. Sometimes, it can help us transfer files from one device to another. You can also use it to access your partner's or employee's phone at the time of needs too. In the next section, we will let you know how to remotely control Android phone from another phone.

Control android from another android

How to remotely control Android phone from another phone?

There are different readily available applications that can be used to remotely control Android phone from another phone. We have picked the 3 best tools here.

1. TeamViewer for Remote Control

TeamViewer is one of the most widely known solutions that can provide a remote access to computer and smartphone remotely. It has a dedicated solution for Android as well that can perform the same function without any trouble. You can try its free version and later buy the premium subscription if you wish to.

Smart screen sharing with a complete control of the device
Control Android from Android by bypassing a security access (a one-time code should be matched).
256 Bit AES session encoding and 2048 Bit RSA key exchange supported for advanced security
File transfer is also supported

Compatibility; Android 4.0 and later versions

Get it here >>

Control android from android - TeamViewer for Remote Control

2. RemoDroid

RemoDroid is another smart and lightweight Android to Android remote control that you can use. Besides controlling an Android phone, you can also use this tool to control a TV and other smart devices from your Android device as well.

Easy screen sharing provision
You can remotely control Android phone from another phone and other smart devices (like a TV)
It supports screen sharing between multiple users
Password protected and supports one-time authentication
Advanced features require root access

Compatibility: Android 4.0 and up

Get it here >>

Control android from android - RemoDroid

3. Inkwire Screen Share and Assist

Inkwire is a highly useful app that every Android user should have installed on their device. This freely available tool can let you share your screen with another user. After sharing the screen, you can provide assistance by marking the screen as well. It is particularly used by users to guide other how to use a certain feature on the device.

Once connected, you can easily draw on the screen and guide the other user on a real-time basis.
It is extensively used to provide customer support for Android apps.
Voice chat option is also included

Compatibility: Android 5.0 and later versions

Get it here >>

Control android from android - Inkwire Screen Share and Assist

@£√£RYTHING NT

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vanillaalmonds · at 8/30/2020 06:49:00 PM

Top 10 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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vanillaalmonds · at 8/30/2020 10:21:00 AM

It's a 32bits elf binary of some version of vsftpd, where it have been added a backdoor, they don't specify is an authentication backdoor, a special command or other stuff.

I started looking for something weird on the authentication routines, but I didn't found anything significant in a brief period of time, so I decided to do a bindiff, that was the key for locating the backdoor quickly. I do a quick diff of the strings with the command "strings bin | sort -u" and "vimdiff" and noticed that the backdoored binary has the symbol "execl" which is weird because is a call for executing elfs, don't needed for a ftp service, and weird that the compiled binary doesn't has that symbol.

Looking the xrefs of "execl" on IDA I found that code that is a clear backdoor, it create a socket, bind a port and duplicate the stdin, stdout and stderr to the socket and use the execl:

There are one xrefs to this function, the function that decides when trigger that is that kind of systems equations decision:

The backdoor was not on the authentication, it was a special command to trigger the backdoor, which is obfuscated on that systems equation, it was no needed to use a z3 equation solver because is a simple one and I did it by hand.

The equation:

cmd[0] = 69

cmd[1] = 78

cmd[1] + cmd[2] = 154

cmd[2] + cmd[3] = 202

cmd[3] + cmd[4] = 241

cmd[4] + cmd[5] = 233

cmd[5] + cmd[6] = 217

cmd[6] + cmd[7] = 218

cmd[7] + cmd[8] = 228

cmd[8] + cmd[9] = 212

cmd[9] + cmd[10] = 195

cmd[10] + cmd[11] = 195

cmd[11] + cmd[12] = 201

cmd[12] + cmd[13] = 207

cmd[13] + cmd[14] = 203

cmd[14] + cmd[15] = 215

cmd[15] + cmd[16] = 235

cmd[16] + cmd[17] = 242

The solution:

cmd[0] = 69

cmd[1] = 75

cmd[2] = 79

cmd[3] = 123

cmd[4] = 118

cmd[5] = 115

cmd[6] = 102

cmd[7] = 116

cmd[8] = 112

cmd[9] = 100

cmd[10] = 95

cmd[11] = 100

cmd[12] = 101

cmd[13] = 106

cmd[14] = 97

cmd[15] = 118

cmd[16] = 117

cmd[17] = 125

The flag:

EKO{vsftpd_dejavu}

The binary:
https://ctf.ekoparty.org/static/pre-ekoparty/backdoor

Megan's Online Guide to The Good Stuff

Monday, August 31, 2020

How To Control Android Phone From Another Phone Remotely

Control Android Phone from Another Phone Remotely

How to remotely control Android phone from another phone?

1. TeamViewer for Remote Control

2. RemoDroid

3. Inkwire Screen Share and Assist

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Sunday, August 30, 2020

Top 15 Best Operating System Professional Hackers Use

Top 15 Best Operating System Professional Hackers Use

1. Kali Linux

2. Back Box

3. Parrot Security OS

4. Live Hacking OS

5. DEFT Linux

6. Samurai Web Testing Framework

7. Network Security Toolkit

8. Bugtraq

9. NodeZero

10. Pentoo

#11 Live Hacking OS

#12 Knoppix STD

#13 Cyborg Hawk

#14 Blackbuntu

#15 Weakerth4n

Vsftpd Backdoor - Ekoparty Prectf - Amn3S1A Team

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