This guide is a large summary of the information security tool, FFUF. This is also paired with a videopanion guide, shown below: See full list on See full list on Understandably, putting this guide and the associated video content together has taken quite a long time (in the order of months, as it’s my first steps into video). Throughout that time some other great creators have put out other content, I heavily rmend watching. This content has inspired this project further, and I don’t think it would be what it is without their input. Notably, and a video I rmend watching in addition to my own for a moreplete picture is Katie Paxton-Fear’s How to Use FFUFYouTube video. Also, a shoutout to Jason Haddix, STÖK, hakluke, InsiderPHD, and Joohoifor helping answer my numerous questions and being a soundboard as I pulled this together. See full list on This guide is a reference point for using a web application security tool, FFUF. If you have a passion for this space, but the guide seems daunting, that doesn’t mean you can’t do this, it just means there’s some prerequisites to dive into first. A great starting point is: Health Adams - Linux for Ethical Hackerswhich will help you to understand the fundamentals of what’s happere in the terminal, which should allow you to then make use of this guide. In addition I also rmend Heath’s other content, available on their YouTube channel and I also rmend InsiderPHD’scontent as a very good starting point. Other notable creators well worth watude (but certainly aren’t limited to): 1. Jason Haddixand his streams for more tooling insight. 2. LiveOverflowfor amazing insights into just how deep this rabbit hole can go 3. Farah Hawafor a variety of hacking guides aimed at beginners 4. The XSS Ratfor a range of content from CTF’s to thought process... See full list on Who Being an open source project, FFUF is maintained by themunity howevepal maintainer, joohoi puts countless hours into driving the project forward. If you FFUF useful, you can support the work here: https:///sponsors/joohoi What Firstly, the “what” is quite important. FFUF, or “Fuzz Faster you Fool” is an open source web fuzzing tool, intended for discovering elements and content within web applications, or web servers. What do we mean by this? Often when you visit a website you will be presented with the content that the owner of the website wants to serve you with, this could be hosted at a page such as p. Within security, often the challenges in a website that need to be corrected exist outside of that. Fo... Where FFUF is maintained as public open source, and can be found at: https:///ffuf/ffuf This means anybody who wishes to contribute to FFUF, can, provided the maintainer (joohoi) accepts and “merges” the contributed changes back to the main project. See full list on Install from Source If you wish to install the latest stable build from the mainbranch of the ffuf project, you can do so with: After installing, ffuf will be available in ~/go/bin/ffuf. Upgrading from Source Much likepiling from source, upgrading from source is not much moreplicated, with the only change being the addition of the -uflag. Upgrading from source should be done with: Kali Linux APT Repositories If you’re using Kali Linux you’ll find FFUF in the apt repositories, allowing you to install by running sudo apt-get install ffuf, this will present an output similar to the following: After installation, you can verify the version installed by using: If you also installed from source you’ll note that the version you’re operating is not the same as the version in your $GOPATH (~/go/bin). APT builds are normally older, but considered more stable builds of applications however can be less featu... See full list on What is Directory Brute Forcing? At its core, one of the main functions that people use FFUF for, is directory brute forcing. With that in mind, let’s fuzz! Without passing custom values (covered later in this course), FFUF will replace the value of FUZZwith the value of your wordlist. What is a Wordlist? What’s a wordlist? A wordlist is essentially a list of items in a text file, seperated by lines, that are tailor built around a purpose. One of the best collections of wordlists, is SecLists. Curated by g0tm1lk, jhaddix and Daniel Miessler this collection has a wordlist for every occasion. Your first Directory Brute Force For this example, let’s create a simple wordlist. In this case, we’ll put the following items into it: Save this in the same location where you intend to run FFUF from, as wordlist.txt. For this example, we’ll also brute force against this website, . FFUF takes two basic arguments that we need to use here, the first, -u is the target URL (in this case, ). The second, is -w, which is the path to the wordlist file(s) that we wish to make use of. You can specify multiple word... See full list on Recursion is essentially performing the same task again, but in this context, at another layer. For example, in our item above, we identified an admin panel, but what if we want to scan further under that? One method, could be to scan again, but by changing our URL and fuzzing endpoint to the following: Now whilst this will acheive our goal, it doesn’t scale well. When bug hunting, we may find 20, 30, or even 100 directories, all which we want to explore at another level. Enter, recursion. By setting the flag recursion we tell FFUF to take our scan, and apply another layer to it. A second flag, recursion-depth tells FFUF how many times to perform this action (for example, if we find another layer under admin, shoud we proceed to another layer or stop?). There are some caveats, however. In FFUF you can’t use customer fuzzing keywords with recursion, and you’re limited to the use of FFUF. Whilst this won’t matter for the vast array of applications it will limit usage when using pitchf... See full list on Often when you find a directorty you’re also going to want to look for file extensions of that. This can be invaluable for finding bugs when there’s a zip file, or backup file of the same name. Extensions in FFUF are specified with the e parameter and are essentially suffixs to your wordlist (as not all extensions start with a .). For example, expanding upon our original scan with the following: This now presents new hits! As shown below: See full list on By default, FFUF will only look for a single location to fuzz, donate by the term FUZZ. Reviewing our original example, this was the approach taken to FUZZ the directory name: But what if we want to fuzz multiple locations? This can be plished byining the ability to define what a fuzz location would be with a wordlist, as well as using multiple wordlists. For example, in the following we’re using the term W1 to fuzz our location, instead of FUZZ: This runs the same scan as our previous example, except W1 is now our insert instead of FUZZ. Now, let’s assume that instead of we had identified multiple websites we wanted to check over at the same time. For that, we could create a wordlist of all of the domains we wanted to test, and use the following: This would scan each of the domains in our domains.txt files using the wordlist from wordlist.txt, allowing us to run at scale without needing the use of outside scripting or applications. The order of the wordlists contr... See full list on
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