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Saturday, October 7, 2017

An Interactive Disassembler for x86/ARM/MIPS - Plasma


PLASMA is an interactive disassembler. It can generate a more readable assembly (pseudo code) with colored syntax. You can write scripts with the available Python api (see an example below). The project is still in big development.

wiki : TODO list and some documentation.

It supports :
  • architectures : x86{64}, ARM, MIPS{64} (partially for ARM and MIPS)
  • formats : ELF, PE, RAW
Warning: until structures and type definitions are not implemented, the database compatibility could be broken.

Requirements
Optional :
  • python-qt4 used for the memory map
  • keystone for the script asm.py

Installation
./install.sh
Or if you have already installed requirements with the previous command :
./install.sh --update
Check tests :
make
....................................................................................
84/84 tests passed successfully in 2.777975s
analyzer tests...
...

Pseudo-decompilation of functions
$ plasma -i tests/server.bin
>> v main
# you can press tab to show the pseudo decompilation
# | to split the window
# See the command help for all shortcuts

Qt memory map (memmap)
The image is actually static.

Scripting (Python API)
See more on the wiki for the API.
Some examples (these scripts are placed in plasma/scripts) :
$ plasma -i FILE
plasma> py !strings.py             # print all strings
plasma> py !xrefsto.py FUNCTION    # xdot call graph
plasma> py !crypto.py              # detect some crypto constants
plasma> py !asm.py CODE            # assemble with keystone
plasma> py !disasm.py HEX_STRING   # disassemble a buffer


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PowerShell Remote Download Cradle Generator and Obfuscator - Invoke-CradleCrafter


Invoke-CradleCrafter is a PowerShell v2.0+ compatible PowerShell remote download cradle generator and obfuscator.

Purpose

Invoke-CradleCrafter exists to aid Blue Teams and Red Teams in easily exploring, generating and obfuscating PowerShell remote download cradles. In addition, it helps Blue Teams test the effectiveness of detections that may work for output produced by Invoke-Obfuscation but may fall short when dealing with Invoke-CradleCrafter since it does not contain any string concatenations, encodings, tick marks, type casting, etc.

Another important component of this research and tool development was to effectively highlight the high-level behavior and artifacts left behind when each cradle is executed. I have tried to highlight this information when you first enter a new cradle type in the interactive menus of the tool.

Ultimately, knowing more about each cradle's behavior and artifacts will help the Blue Team better detect these cradles. This knowledge should also benefit the Red Teamer in making more informed selections of which cradle to use in a given scenario.

Usage

While all of the cradles can be produced by directly calling the Out-Cradle function, the complexity of the moving pieces for all of the stacked obfuscated components makes using the Invoke-CradleCrafter function the easiest way to explorer and visualize the cradle syntaxes and obfuscation techniques that this framework currently supports.

Installation

The source code for Invoke-CradleCrafter is hosted at Github, and you may download, fork and review it from the repository. Please report issues or feature requests through Github's bug tracker associated with this project.

To install:
Import-Module ./Invoke-CradleCrafter.psd1
Invoke-CradleCrafter

Release Notes
v1.0 - 2017-04-28 x33fcon (Gdynia, Poland): PUBLIC Release of Invoke-CradleCrafter.
v1.1 - 2017-05-11 NOPcon (Istanbul, Turkey): Added 3 new memory-based cradles:
  • PsComMsXml
  • PsInlineCSharp
  • PsCompiledCSharp Added 2 disk-based cradles:
  • PsBits
  • BITSAdmin

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Thursday, September 21, 2017

A Tool That Enumerates Android Devices For Information Useful In Understanding Its Internals And For Exploit Development - Twiga



A tool that enumerates Android devices for information useful in understanding its internals and for exploit development. It supports android 4.2 to android 7.1.1

Requirements
  • The most current ADB must be in your path and fully functional
  • The report name must not have any whitespace

Limitations
  • Some information and files cannot be pulled higher up the SDK version due to strict SELinux policies and android hardening.
  • It can only run on one device at a time for now

To Do
  • Support for enumeration on a rooted device
  • Support enumeration on multiple devices at a time
  • Generate PDF report on the enumartuon data

Inspired by


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An IoT Network Security Analysis Tool and Visualizer - ASTo


ASTo is security analysis tool for IoT networks. It is developed to support the Apparatus security framework. ASTo is based on electron and cytoscape.js. The icons are provided by Google's Material Design.

The application is still in prototyping stage, which means a lot of functionality is being added with each commit, along with massive changes in almost everything.

Screenshots



To Use
To clone and run this repository you'll need Git and Node.js installed on your computer. To download and install the app, type the following in your terminal:
# Clone this repository
git clone https://github.com/Or3stis/apparatus.git
# Go into the repository
cd apparatus
# Install dependencies
npm install
# to run the app
npm start
Because the app is still in prototype stage, it is best to keep up to date with the most recent commits. To do so, before starting the app, type:
# inside the apparatus directory

# update to latest
git pull
The first window (home screen) will ask you to choose which modeling phase would you like to perform analysis in. After you select a phase, a native dialog window will be displayed and ask you choose a file to load. By default, you can only choose .js or .json files.
You will find some example graphs in the graphs folder.

Instructions

If you want to contribute that's great news. Check the contributing guide. The application is being developed on Mac. That means that new commits might introduce breaking changes in other platforms. Especially commits that involve access to the file system. If something is not working, don't hesitate to create an issue.
If you want to find out how the app works check the wiki.
You can check the project's planned features in the roadmap.


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Advanced Web Shell - DAws


There's multiple things that makes DAws better than every Web Shell out there:
  1. Bypasses Security Systems(IPS, WAFs,etc) like Suhosin(uses up to 20 php functions just to get a command executed).
  2. Drops CGI Shells and communicate with them to bypass Security Systems.
  3. Uses the SSH Authorized Keys method to bypass Security Systems.
  4. Uses Shellshock in 2 methods to bypass Security Systems.
  5. Is completely Post Based and uses a XOR Encryption based on a random key that gets generated with every new session + private base64 functions to bypass Security Systems.
  6. Supports Windows and Linux.
  7. Finds a writeable and readable directory and moves there if it's a web directory; DAws will output everything in that found directory.
  8. Drops a php.ini and a .htaccess file that clears all disablers incase "suphp" was installed.
  9. Has an advanced File Manager.
  10. Everything is done automatically so there's nothing for the user to worry about.
  11. Open Source.
  12. and much more (check the source for more information; everything is well commented)

Credits:


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Web Service Security Assessment Tool - WSSAT


WSSAT is an open source web service security scanning tool which provides a dynamic environment to add, update or delete vulnerabilities by just editing its configuration files. This tool accepts WSDL address list as input file and for each service, it performs both static and dynamic tests against the security vulnerabilities. It also makes information disclosure controls. With this tool, all web services could be analyzed at once and the overall security assessment could be seen by the organization.

Objectives of WSSAT are to allow organizations:
  • Perform their web services security analysis at once
  • See overall security assessment with reports
  • Harden their web services
WSSAT’s main capabilities include:

Dynamic Testing:
  • Insecure Communication - SSL Not Used
  • Unauthenticated Service Method
  • Error Based SQL Injection
  • Cross Site Scripting
  • XML Bomb
  • External Entity Attack - XXE
  • XPATH Injection
  • Verbose SOAP Fault Message
Static Analysis:
  • Weak XML Schema: Unbounded Occurrences
  • Weak XML Schema: Undefined Namespace
  • Weak WS-SecurityPolicy: Insecure Transport
  • Weak WS-SecurityPolicy: Insufficient Supporting Token Protection
  • Weak WS-SecurityPolicy: Tokens Not Protected
Information Leakage:
  • Server or technology information disclosure
WSSAT’s main modules are:
  • Parser
  • Vulnerabilities Loader
  • Analyzer/Attacker
  • Logger
  • Report Generator
The main difference of WSSAT is to create a dynamic vulnerability management environment instead of embedding the vulnerabilities into the code.
This project has been developed as Term Project at Middle East Technical University (METU), Software Management master program.


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Fast and Flexible Network Login Hacker - Hydra 8.6

 A very fast network logon cracker which supports many different services.

See feature sets and services coverage page - incl. a speed comparison against ncrack and Medusa. Number one of the biggest security holes are passwords, as every password security study shows.

This tool is a proof of concept code, to give researchers and security consultants the possibility to show how easy it would be to gain unauthorized access from remote to a system.

There are already several login hacker tools available, however, none does either support more than one protocol to attack or support paralyzed connects.

It was tested to compile cleanly on Linux, Windows/Cygwin, Solaris, FreeBSD/OpenBSD, QNX (Blackberry 10) and OSX.

Currently, this tool supports the following protocols:


Asterisk, AFP, Cisco AAA, Cisco auth, Cisco enable, CVS, Firebird, FTP, HTTP-FORM-GET, HTTP-FORM-POST, HTTP-GET, HTTP-HEAD, HTTP-PROXY, HTTPS-FORM-GET, HTTPS-FORM-POST, HTTPS-GET, HTTPS-HEAD, HTTP-Proxy, ICQ, IMAP, IRC, LDAP, MS-SQL, MYSQL, NCP, NNTP, Oracle Listener, Oracle SID, Oracle, PC-Anywhere, PCNFS, POP3, POSTGRES, RDP, Rexec, Rlogin, Rsh, SAP/R3, SIP, SMB, SMTP, SMTP Enum, SNMP v1+v2+v3, SOCKS5, SSH (v1 and v2), SSHKEY, Subversion, Teamspeak (TS2), Telnet, VMware-Auth, VNC and XMPP.

CHANGELOG for 8.6

CHANGELOG for 8.6
  ===================
  ! Development moved to a public github repository: https://github.com/vanhauser-thc/thc-hydra
  
  ! Reports came in that the rdp module is not working reliable sometimes, most likely against new Windows versions. please test, report and if possible send a fix
  * added radmin2 module by catatonic prime - great work!
  * smb module now checks if SMBv1 is supported by the server and if signing is required
  * http-form module now supports URLs up to 6000 bytes (thanks to petrock6@github for the patch)
  * Fix for SSL connections that failed with error:00000000:lib(0):func(0):reason(0) (thanks gaia@github for reporting)
  * Added new command line option:
    -c TIME: seconds between login attempts (over all threads, so -t 1 is recommended)
  * Options put after -R (for loading a restore file) are now honored (and were disallowed before)
  * merged several patches by Diadlo@github to make the code easier readable. thanks for that!
  * merged a patch by Diadlo@github that moves the help output to the invididual module


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Microsoft PowerShell Module to Find HoneyPots and HoneyTokens in the Network - HoneypotBuster


Microsoft PowerShell module designed for red teams that can be used to find honeypots and honeytokens in the network or at the host.

CodeExecution
Execute code on a target machine using Import-Module.

Invoke-HoneypotBuster
HoneypotBuster is a tool designed to spot Honey Tokens, Honey Bread Crumbs, and Honey Pots used by common Distributed Deception vendors. This tool will help spot the following deception techniques:

1. Kerberoasting Service Accounts Honey Tokens

Just like the one described in the ADSecurity article by Sean Metcalf, this tricks attackers to scan for Domain Users with assigned SPN (Service Principal Name) and {adminCount = 1} LDAP Attribute flag. So when you try to request TGS for that user, you’ll be exposed as Kerberoasting attempt. TGS definition: A ticket granting server (TGS) is a logical key distribution center (KDC) component that is used by the Kerberos protocol as a trusted third party.

2. Fake Computer Accounts Honey Pots

Creating many domain computer objects with no actual devices associated to them will result in confusion to any attacker trying to study the network. Any attempt to perform lateral movement into these fake objects will lead to exposure of the attacker.

3. Fake Credentials Manager Credentials Breadcrumbs

Many deception vendors are injecting fake credentials into the “Credentials Manager”. These credentials will also be revealed using tools such as Mimikatz. Although they aren’t real, attackers might confuse them as authentic credentials and use them.

4. Fake Domain Admins Accounts Honey Tokens

Creating several domain admins and their credentials who have never been active is bad policy. These Honey Tokens lure attackers to try brute-forcing domain admin credentials. Once someone tries to authenticate to this user, an alarm will be triggered, and the attacker will be revealed. Microsoft ATA uses this method.

5. Fake Mapped Drives Breadcrumbs

Many malicious automated scripts and worms are spreading via SMB Shares, especially if they’re mapped as Network Drive Share. This tool will try to correlate some of the data collected before to identify any mapped drive related to a specific Honey Pot server.

6. DNS Records Manipulation HoneyPots

One of the methods deception vendors use to detect fake endpoints is registering their DNS records towards the Honey Pot Server. They will then be able to point the attacker directly to their honey pot instead of actual endpoints.


Usage

To install any of these modules, drop the PowerShell scripts into a directory and type
Import-Module PathTo\scriptName.ps1

Then run the Module from the Powershell.
Refer to the comment-based help in each individual script for detailed usage information.


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Sunday, September 10, 2017

Simple HS256 JWT Token Brute Force Cracker - jwt-cracker


Simple HS256 JWT token brute force cracker.
Effective only to crack JWT tokens with weak secrets.
Recommendation: Use strong long secrets or RS256 tokens.

Install

With npm:
npm install --global jwt-cracker

Usage

From command line:
jwt-cracker <token> [<alphabet>] [<maxLength>]
Where:
  • token: the full HS256 JWT token string to crack
  • alphabet: the alphabet to use for the brute force (default: "abcdefghijklmnopqrstuwxyzABCDEFGHIJKLMNOPQRSTUWXYZ0123456789")
  • maxLength: the max length of the string generated during the brute force (default: 12)

Requirements

This script requires Node.js version 6.0.0 or higher

Example

Cracking the default jwt.io example:
jwt-cracker "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJzdWIiOiIxMjM0NTY3ODkwIiwibmFtZSI6IkpvaG4gRG9lIiwiYWRtaW4iOnRydWV9.TJVA95OrM7E2cBab30RMHrHDcEfxjoYZgeFONFh7HgQ" "abcdefghijklmnopqrstuwxyz" 6
It takes about 2 hours in a Macbook Pro (2.5GHz quad-core Intel Core i7).




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The Cyber Swiss Army Knife [A Web App For Encryption, Encoding, Compression And Data Analysis] - CyberChef


The Cyber Swiss Army Knife

CyberChef is a simple, intuitive web app for carrying out all manner of "cyber" operations within a web browser. These operations include simple encoding like XOR or Base64, more complex encryption like AES, DES and Blowfish, creating binary and hexdumps, compression and decompression of data, calculating hashes and checksums, IPv6 and X.509 parsing, changing character encodings, and much more.
The tool is designed to enable both technical and non-technical analysts to manipulate data in complex ways without having to deal with complex tools or algorithms. It was conceived, designed, built and incrementally improved by an analyst in their 10% innovation time over several years. Every effort has been made to structure the code in a readable and extendable format, however it should be noted that the analyst is not a professional developer.

Live demo

CyberChef is still under active development. As a result, it shouldn't be considered a finished product. There is still testing and bug fixing to do, new features to be added and additional documentation to write. Please contribute!
Cryptographic operations in CyberChef should not be relied upon to provide security in any situation. No guarantee is offered for their correctness.


How it works

There are four main areas in CyberChef:
  1. The input box in the top right, where you can paste, type or drag the data you want to operate on.
  2. The output box in the bottom right, where the outcome of your processing will be displayed.
  3. The operations list on the far left, where you can find all the operations that CyberChef is capable of in categorised lists, or by searching.
  4. The recipe area in the middle, where you can drag the operations that you want to use and specify arguments and options.
You can use as many operations as you like in simple or complex ways. Some examples are as follows:

Features
  • Drag and drop
    • Operations can be dragged in and out of the recipe list, or reorganised.
    • Files can be dragged over the input box to load them directly.
  • Auto Bake
    • Whenever you modify the input or the recipe, CyberChef will automatically “bake” for you and produce the output immediately.
    • This can be turned off and operated manually if it is affecting performance (if the input is very large, for instance).
    • If any bake takes longer than 200 milliseconds, auto bake will be switched off automatically to prevent further performance issues.
  • Breakpoints
    • You can set breakpoints on any operation in your recipe to pause execution before running it.
    • You can also step through the recipe one operation at a time to see what the data looks like at each stage.
  • Save and load recipes
    • If you come up with an awesome recipe that you know you’ll want to use again, just click save and add it to your local storage. It'll be waiting for you next time you visit CyberChef.
    • You can also copy a URL which includes your recipe and input which can be shared with others.
  • Search
    • If you know the name of the operation you want or a word associated with it, start typing it into the search field and any matching operations will immediately be shown.
  • Highlighting
  • Save to file and load from file
    • You can save the output to a file at any time or load a file by dragging and dropping it into the input field (note that files larger than about 500kb may cause your browser to hang or even crash due to the way that browsers handle large amounts of textual data).
  • CyberChef is entirely client-side
    • It should be noted that none of your input or recipe configuration is ever sent to the CyberChef web server - all processing is carried out within your browser, on your own computer.
    • Due to this feature, CyberChef can be compiled into a single HTML file. You can download this file and drop it into a virtual machine, share it with other people, or use it independently on your desktop.

Browser support

CyberChef is built to support
  • Google Chrome 40+
  • Mozilla Firefox 35+
  • Microsoft Edge 14+

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