This is a list of things you can install using Spack. It is automatically generated based on the packages in this Spack version. It includes automatic high-accurate registration 6D simultaneous localization and mapping, 6D SLAM and other tools, e. Several file formats for the point clouds are natively supported, new formats can be implemented easily. That is programs can be detached - run in the background - and then later reattached.
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Index of /gentoo/distfiles
Information and Cyber Security Professional. All thoughts and opinions expressed here are my own, and may not be representative of my employer, or any other entity unless I am specifically quoting someone. After the challenge was over, Evandrix and I teamed up to tackle the rest of the challenges and became the second and third person to successfully complete all the CTF challenges. At the time of writing only 3 people had successfully completed all challenges including the champion Adam Harrison, Evandrix, and myself.
Pre-warning, the answers to the questions are below. If you do not want to spoil this challenge for yourself or others, use this as a guide to help you get over the line for a particular flag rather than a way of cheating your way up the scoreboard. Can you decipher the hidden message? This particular challenge involved a little bit of experimentation, a little bit of OSINT, and a little bit of luck. Looking at the DFA Logo, we can see the following characters from left to right. Before going down the path of modern cryptography, we can start experimenting with some different implementations of the common caesar cipher.
This is still quite gibberish. At this point we need a key. As this was created by the Champlain college, Champlain may be a possible key. This at first glance still looks incomprehensible; however, this is actually Latin, and a quick Wikipedia search of Champlain reveals this is their motto. All of this can be automated and the output can be viewed using the tool CyberChef.
Although this was created with FTK Imager, I started my analysis using Autopsy to see how it would fare with open source tools. Looking back within the Horcrux. Using a Kali instance, we can use the inbuilt ewfinfo tool to view metadata associated with the Horcrux file which was created with the Expert Witness Compression Format EWF.
Because of how the information was obtained, we can make the assumption this is already in UTC. What is the theme?
Once again we can simply run the Rot13 cipher over this to get our answer…but I personally prefer this answer. A quick look into this revealed Skype was the only popular messaging platform installed to the machine. To find this information, we need to find out how they contacted Karen. Given she was placing a job wanted advertisement on Craigslist, it was highly likely the contact method would be email.
Within Autopsy we can simply extract this file from within the interface. Answer without commas or dollar signs. For this flag we actually need to go further into the email trail and look within the 17th email to find some coordinates. Looking these up within Google Maps reveals that it is coordinates to the Desert Breath which was created in in the Egyptian Desert.
This question was a little bit confusing, but if we take it to mean the timezone noted within the email headers, then we can see this is UTC time, which happens to bhe the correct answer.
Within Autopsy we can find this file by looking at Office file extensions, the file metadata displays when it was last accessed. Jumping back into our Kali instance, we can find the following question within email 13 after cleaning out the div and break tags.
And then searching in sent email number 7. Answer should be submitted with no spaces and all lowercase. This leads us back into Autopsy for a bit of fun. From here we can use RegRipper by H.
Carvey to extract the necessary information. Once again an easy one for Autopsy. After collaborating with Evandrix here, he had been informed that there was a typo when placing the answer into the submission form, so although this is the correct answer there is actually a typo requiring a 3 to be changed to a 2. After changing this the flag was successfully submitted. The question is Mooooo, badum tskkkkk.
Extracting this file for later will come in handy…. This was the correct flag. Shifting back to Autopsy for simplicity, we can find that the extracted Web Downloads contains the zone identifier for Skype.
Once again a bit of a strange way of submitting this flag but after this modification it went through a charm. Alrighty, so for this we know Karen is using Skype to communicate with Bob. Did I say lucky? I meant unlucky…I mean, lucky we can find it, unlucky it is encrypted. Or, we can find this in the email Karen sent to herself email 19 , or the corresponding sent items.
Time to head back to CyberChef. At first it looks like this string would just need a simple Base64 decoding, but this yields an unusual output.
This also yields an unusual result. Once again this can be done using CyberChef. This is where FTK Imager begins to shine. For any partition we can dump out all of the file hashes to a spreadsheet using the GUI, and then search them for this specific file. This leads us to a sudormrf link file little bit of Linux admin humor for you there. Unfortunately the domain is no longer active, and there are no historical records in the Wayback Machine or otherwise.
Originally you had to contact ChampDFA on Twitter with the relevant information and they would assist you in getting the flag, like so…. The flag has been updated to accept the full URL which the link points to.
If you are having issues, please contact ChampDFA on twitter. Although this could be found in the web browsing history, we can actually get this information from the AlpacaCare document we extracted earlier you did extract it right? Opening up the file in Word, we can see it has a copyright logo with a link to the website it is from. Hint: Secrets are best kept hidden in plain sight. If we think back to our previous challenge where we found the answer BeEF, this was actually in a secrets. This directory has a lot of junk in it.
By downloading the file and opening it in excel, we can see the credentials, and at this point have our flag. The apache access. What is the file name of the download? Looking at the root downloads section we can see that Mimikatz was downloaded. This will even include Windows Defender itself. Looking into the bash history for the root user, we can see that a super secret file was created previously on the desktop.
An ambiguous question, if you decided to go with the metasploit framework history file which clearly shows an attack, you would be wrong. This could have been tampered with, after all it is just text.
Who was Karen taunting? Revisiting the bash history all we need to do is locate the last directory changed to in the log. We can safely assume that triage. This question we can use the dllist plugin of Volatility and some grep kungfu to find out the process.
One useful plugin of Volatility is the procdump plugin which allows us to obtain process dumps executables as they exist in memory and examine them. Using Volatility if we have a full memory dump we can actually extract password hashes using the hivelist and hashdump modules. Same deal with this question, we just need to modify our grep-foo a little bit given we know the output format. What is the name of the script? One way of finding this is taking a memory dump of a process using the memdump module of Volatility, and then using strings and some grep foo to find the file in question.
Using the below we find our answer. More plugins, more grep-foo, except this time we can use the shimcache module to gather information about what applications were run and when. This had the flag typed into an open notepad document. Tie this in with a grep searching for the flag and we have our answer. This question could have been a trick question given a Meterpreter shell could have been migrated into another process; however, based on question 4 we already know the process ID of the malicious executable which is likely to be Meterpreter.
Using this assumption we can dump the executable and submit it to VirusTotal to confirm our hypothesis. Firing up the VM we have a lot going on, and want to make sure we have minimal impact on the box during triage in case it impacts later questions. This first question can be solved by opening the start menu. Repeating the same process as before we can dump the SAM and use RegRipper to give us the necessary information. This information would need to be gathered from the registry to be accurate, so we can query this by opening a command prompt and running:.
As you can see this is stored in a format which is illegible; however a quick google-foo reveals a nice solution to this problem on Stack Overflow. This is as easy as restoring the deleted file from the recycle bin, installing 7-Zip which has been downloaded, and checking the CRC32 value, with this you have your answer.
Downloading the nirsoft toolset we can use UserAssistView to find out this information. We can see this within downloads, whether we view this in Autopsy or the VM itself is entirely preferential. Once again, Bob only seems to have used Chrome. By using ChromeHistoryView we can see there were only 3 visits. Can you find the Social Security Number for someone with the initials R. Looking within My Documents we find a folder called EmployeeDocuments which contains a file called EmployeeInformation.
Questions tagged [python]
Opened 6 years ago. Closed 6 years ago. Last modified 6 years ago. As of version 3. All previous versions of FileZilla used to work like a charm with the same servers.
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Sidebar Search for:. Me LinkedIn twitter Github rozwal. The advantage of dynamically typed language is that it's much easier to write some code that dynamically loads another code and uses it. The downside of lack of types is that it's harder to enforce the contract on the loaded code. There are ways around that and this post is about that. How to write a simple plugin system in your application, shown on an example. MessengerAssistant I just wrote a simple plugin driven Messenger Assistant. It's a bot that listens to your messages when you chat on Messenger and can execute commands based on that. It uses fbchat package from pypi.
Java – Create a Secure Password Hash
I have written a batch script to ease this process. To use it you basically need the source code, Cygwin and Microsoft Visual Studio. I use these builds to subsequently compile other libraries, e. Qt4 and Qt5.
Paint Makes Perfect
A curated list of awesome Delphi frameworks, libraries, resources, and shiny things. Inspired by awesome Note that only open-source projects are considered. Dead projects are mainly ignored except for those which do not have alive analogs. Feel free to suggest other missing nice projects either by comments or pull requests. This awesome collection is also available on Delphi.
Learn Java hashing algorithms in-depth for hashing the passwords. A secure password hash is an encrypted sequence of characters obtained after applying specific algorithms and manipulations on user-provided passwords, which are generally very weak and easy to guess. There are many such hashing algorithms in Java that can prove effective for password security. Please remember that once the password hash has been generated, we can not convert the hash back to the original password. Each time a user login into the application, we must generate the password hash again and match it with the hash stored in the database. The MD5 Message-Digest Algorithm is a widely used cryptographic hash function that produces a bit byte hash value. To do this, the input message is split into chunks of bit blocks. Padding is added to the end so that its length can be divided by
2019 Defcon DFIR CTF Write-up
Post by agapa » Sun Apr 05, am. Post by mhertz » Sun Apr 05, am. Post by PhiliP » Mon Apr 06, pm. Post by mhertz » Mon Apr 06, pm.
Apache Friends Support Forum
Hi I have a simple shiny app from which i wish to download a pdf table after importing a csv file into it. I suspect that i use the parameters incorrectly as i take :. The issue was with using file in your Rmd file. And because you've got the dataframe in a reactive function, you don't have to pass the file separately. Please see the updated code:.
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Performace and image quality is really good. Runs at least as good as FXAA, and looks much better. Any ideas why this d3d9. Not sure man.