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T-Reqs-HTTP-Fuzzer - A Grammar-Based HTTP Fuzzer

http://1.bp.blogspot.com/-Khbgo1JP-Aw/Yd0MPvJz9UI/AAAAAAAA74o/oWRJXbWbEogc4-Q-0-KJ4u8e7Sa_aqwbACK4BGAYYCw/w304-h400/T-Reqs-HTTP-Fuzzer_1_logo-treqs-741914.png T-Reqs (Two Requests) is a grammar-based HTTP Fuzzer written as a part of the paper titled "T-Reqs: HTTP Request Smuggling with Differential Fuzzing" which was presented at ACM CCS 2021.
BibTeX of the paper: @inproceedings{ccs2021treqs,
title={T-Reqs: HTTP Request Smuggling with Differential Fuzzing},
author={Jabiyev, Bahruz and Sprecher, Steven and Onarlioglu, Kaan and Kirda, Engin},
booktitle={Proceedings of the 2021 ACM SIGSAC Conference on Computer and Communications Security},
pages={1805--1820},
year={2021}
} AboutT-Reqs is for fuzzing HTTP servers by sending mutated HTTP requests with versions 1.1 and earlier. It has three main components: 1) generating inputs, 2) mutating generated inputs and 3) delivering them to the target server(s). Generating InputsA CFG grammar fed into the fuzzer is used to generate HTTP requests. As the example grammar shown below is tailored for request line fuzzing, every request line component and possible values for each of them are explicitly specified. This allows us to generate valid requests with various forms of request line and also to treat each request line component as a separate unit from the mutation perspective. 'Mutating InputsEach component can be marked in two ways: string mutable and tree mutable (see the example configuration). If a component is string mutable, then a random character can be deleted, replaced, or inserted at a random position. In the example shown below (left side), the last character in the protocol version (1) is deleted, the third letter in the method name (S) is replaced with R, and a forward slash is inserted at the beginning of the URI. Whereas, if a component is tree mutable, then a random component can be deleted, replaced, or inserted at a random position under that component. The example below (right side) shows three tree mutations applied on the request line component: 1) method is replaced by protocol, 2) an extra URI is inserted after the current URI, and 3) the existing proto< /em> is deleted. http://1.bp.blogspot.com/--83UySBBHSw/Yd0MPz3GIUI/AAAAAAAA74w/PyUInqGo404j7IE6UpKZvXPRxUuOwJxxQCK4BGAYYCw/s320/T-Reqs-HTTP-Fuzzer_2_mutation-types-743097.png UsageConfigurationThe fuzzer should be informed about the user preferences about the generation and mutation of inputs. More specifically, the input grammar, the mutable components, mutation preferences among other things should be specified in the configuration file (see an example configuration). Running modesTo be able to reproduce the inputs generated and mutated in each iteration, a seed number is used. In fact, this seed number serves as a seed for random number generations during the formation and mutation of an input. Depending on how these seeds are fed into the fuzzer, it runs in one of these two modes: individual and collective. In the individual mode, inputs are generated and mutated based on the seeds specified by a user. In the command below, a single seed (i.e., 505) is specif[...]

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ied. Alternatively, a list of seeds could be specified with -f option (see help page for more). python3 main.py -i -c config -s 505 Whereas, in the collective mode (which is default), it starts from zero as the seed value and increments it in each iteration until the end number is reached. The beginning and end numbers can be customized. python3 main.py -c config Using for Finding HRS discrepanciesHTTP Request Smuggling relies on different body parsing behaviors between servers where one server uses Transfer-Encoding header while the other prefers Content-Length header to decide the boundaries of a request body, or one server ignores a request body, whereas the other one processes it.

To analyze the body parsing of servers in response to various mutations in various forms of an HTTP request, we need to have a feedback mechanism installed on those servers to tell us about the body parsing behavior. One way of installing a feedback mechanism on a server, is to run the server in the reverse-proxy mode and have it forward requests to a "feedback provider" script running as a service. This service measures the length of the body in received requests and saves it for comparing it later with other servers.

An example "feedback provider" script is available in this repository. However, this script sends the body length information back in a response assuming that this information is stored on the client side. LicenseT-Reqs is licensed under MIT license. Download T-Reqs-HTTP-Fuzzer

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Hacking on Medium
Super Mario VM Walkthrough

https://cdn-images-1.medium.com/max/842/0*-BJJu_ymrjATwSfr.png
Makineyi indirebilirsiniz.

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Hacking on Medium
Hacking a Redis database — TryHackMe

https://cdn-images-1.medium.com/max/1234/1*WhoTAsWQBsQCaNrixl9Qog.png
Res is a vulnerable machine from Tryhackme it’s pretty easy to solve and all you need to know is on this website…

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Hacking on Medium
Una campaña respaldada por el gobierno del Reino Unido tiene como objetivo frustrar el uso del…

https://cdn-images-1.medium.com/max/1644/0*IWZwiyK40WlajZ__
PUBLICADO EN 21 ENERO, 2022POR EHACKING

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Hacking on Medium
A Quick Pentester Blueprint: Outline

https://cdn-images-1.medium.com/max/790/1*CM4YwG3wOw0l_yQMqSU-kQ.png
The Pentester Blueprint is a great resource if you are wanting to break into the offensive/defense security industry. I found this book to…

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Hacking on Medium
El nuevo bootkit MoonBounce UEFI no se puede eliminar reemplazando el disco duro

https://cdn-images-1.medium.com/max/1527/0*MG4JgxVeGVS3vspD
PUBLICADO EN 21 ENERO, 2022POR EHACKING

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Hacking on Medium
Nuevo ransomware White Rabbit vinculado al grupo de piratería FIN8

https://cdn-images-1.medium.com/max/1528/0*dRS-_wHJumgdcSHx
PUBLICADO EN 21 ENERO, 2022POR EHACKING

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hacking: security in practice
Payloads in Word/PDF documents: Is this still a thing?

I read about this being used to hack computers recently. Are most computers still vulnerable to this?

Payload=malicious file that could potentially create a backdoor that runs in the document when you enable macros (most people are not cognizant of this possibility).

An article I read tested this successfully on a Windows machine running Outlook that defaulted to Adobe to read the PDF.

I noticed in GMail that docs and PDFs aren't opened on the computer, but read in a window. Does this prevent payload execution?

Anyways, I'd like to know if this is still a thing and why? Why can't Adobe or Microsoft build their applications to not allow this?

submitted by /u/anon314159265358p
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hacking: security in practice
How do I track someones location live?

Hypothetically, if I knew someone's current address, full name, dob etc. would there be a way of me seeing where they are constantly, through like GPS or something on their phone? Or even looking at them through security cameras? If so how would I do it? Just wondering

submitted by /u/Kurapikaschain75
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https://b.thumbs.redditmedia.com/exiRKOuHvV5KLvOwB955TRw_fCq5o4OzHMqV5wluzII.jpg noob to hashcat. MD5 hash. Cant seem to get the password. Any help is appreciated. EDIT : found a example MD5 hash online to give more example.

https://preview.redd.it/fggz985fd4d81.png?width=1920&format=png&auto=webp&s=96bf8af2485f782270e0c5990e711edf88980de9

https://preview.redd.it/io9bh75fd4d81.png?width=1920&format=png&auto=webp&s=3b0e45aa57721d78b36b2c2ed5d2d96b69303219

submitted by /u/BoiledCabbage16
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Dark Reading: Attacks/Breaches
REvil Ransomware Gang Arrests Trigger Uncertainty, Concern in Cybercrime Forums

Threat actors from Eastern Europe seen expressing some concern about Russia being a safe place for them to continue operating, researchers say.

Dark Reading: Attacks/Breaches
Fraud Is On the Rise, and It's Going to Get Worse

The acceleration of the digital transformation resulted in a surge of online transactions, greater adoption of digital payments, and increased fraud.

In need of some help please. I’m 37 and have developed a keen interest in pentesting. I’ve tried reading, online and video courses but can’t seem to understand the details. Would I be able to pay someone to see how a pen test is done? Like shadow someone remotely?
https://www.reddit.com/r/Pentesting/comments/s9o06o/in_need_of_some_help_please_im_37_and_have/

submitted by /u/hazriqz (https://www.reddit.com/user/hazriqz)
[link] (https://www.reddit.com/r/Pentesting/comments/s9o06o/in_need_of_some_help_please_im_37_and_have/) [comments] (https://www.reddit.com/r/Pentesting/comments/s9o06o/in_need_of_some_help_please_im_37_and_have/)

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