At Holy Mass as the priest holds the Sacred Host in His Hand, he strikes his breast three times saying-
Lamb of God Who takes away the sins of the world, Have mercy on us
Lamb of God Who takes away the sins of the world, Have mercy on us
Lamb of God Who takes away the sins of the world, grant us peace
This moment occurs just after Sacred Host is broken, one of the moment which mystically shows forth the Sacrifice Our Lord offers on the Cross and that His perfect sacrifice has been accepted to grant us peace- peace between humanity and Almighty God in the New and Everlasting Covenant.
Holy Mass renews this sacrifice it brings this Once and For all sacrifice into the here and now, God uses the rites of the Mass to intersect history anew with this One Sacrifice, bringing its efficacy, applying its merits to those who are present and who have interiorly united themselves to the sacred rites.
He does this through His Sacred Priesthood- those to Whom He Himself gave the command,
"Take this, all of you, and eat of it, for this is My Body which will be given up for you- do this as a memorial of Me", a sacred rites, through which, according to St. Paul, "you are proclaiming the Lord's death, until He comes".
This brings me to the thought, which I have shared previously, about "the calm" of Final Fantasy X.
When the final summon is made, when the summoner gives his/her life in sacrifice, sin is defeated, the evil monster is chained up once more, and a period of peace is given to the world.
Let's skip the fact that as the plot of FFX develops the whole Yevon religion is revealed to be a sham, but the fact of the matter is, the final summonings did bring calm, and this was because of the self-less courage of the summoners.
Here is the extract from X about The Calm, only watch the first 5 mins, after that it moves on.
Notice the desire for this Calm that the people have, and the language used, it is the period of peace during which people can raise their families without fear. The calm that parents long for the safety of their children, and children so they can be free from nightmares and sleep peacefully in their beds.
Maybe we need to try and see the Sacrifice of the Mass like this- in attending Holy Mass, in being there at this Have Mercy on us! Have Mercy on us! Grant us peace! The period of calm is ushered in to our lives, it envelops us, we are surrounded in Our Lord's merits mediated through the Holy Sacrifice- the Final Summoning.
This doesn't mean we won't suffer from illness, it doesn't mean endless prosperity, but neither did the final summoning in X, but what it means is freedom from sin, from the power of the Devil, and for those who are living in the state of grace, the promise of Eternal Calm, of which this present time will just be a foreshadowing.
With these thoughts in mind-- Introeamus ad altare Dei.
Estamos en el siglo veintiuno donde la tecnología se ha hecho notar y sigue transformando y evolucionando de manera exponencial al mundo entero. Tanto así, que ya puede llevar un super ordenador en tu bolsillo y no se diga de algunos smartphones, que sin duda son los aparatos con mejor desarrollo en la actualidad y por supuesto los que están por llegar que relativamente serán sorprendentes.
Esto significa que detrás de todos estos inventos grandiosos, también se crearon software capaz de recuperar información ya eliminada de los diferentes sistemas como: Windows, Android, iPhone y otros. Son aplicaciones muy potentes que pueden extraer información ingresando a la raíz oculta de cualquier dispositivo seleccionado por la persona. Y en este post queremos relacionar las mejores opciones para que pueda redimir de manera rápida cualquier archivo que por error hayas eliminado.
Este inconveniente se presenta a menudo en dispositivos móviles, que por un simple descuido terminamos eliminando archivos importantes, ya sea vídeo, fotos o algún fichero valioso. Por suerte existen numerosas herramientas las cuales vamos a presentar a continuación.
En esta selección, nombramos los más populares y porque no decir que sin duda, los mejores para este tipo de tarea.
Tenorshare UltData
Un poderoso asistente que te ayuda a salvar los datos borrados y en algunos casos cuando has formateado el PC. También recupera archivos eliminados de tarjetas de memoria o dispositivos extraíbles.
Permite escanear de manera rápida tu dispositivo para luego mostrar una vista previa de todos los archivos recuperados como: Fotos, Vídeos, Audios, documentos y más.
Un software gratuito de recuperación detallada que facilita el rescate de cualquier archivo en diferentes situaciones de perdida de datos, como ocasionada por virus, eliminación del disco duro o error del mismo.
Con amplia disposición para rescatar cualquier archivo, este software está diseñado para recuperar datos de dispositivos extraíbles realizando un escaneo profundo sin destruir y garantizando resultados óptimos.
Una aplicación que te ayuda a recuperar fotos, imágenes, Vídeos, archivos de todo tipo. Además, te permite liberar espacio de almacenamiento en tu dispositivo de forma automática.
Una App desarrollada para recuperar vídeos, con resultados precisos y rápidos. Es importante aclarar que solo recupera aquellos vídeos que hayas eliminado después de instalar la aplicación.
Con una interfaz amigable esta App es responsable de extraer vídeos que por error ya no estén en su teléfono. La recuperación se realiza después de haber instalado Recovery.
No dudes en probar alguna de estas aplicaciones si presenta este tipo de contratiempo. Pero sería muy indispensable tener un as bajo la manga y para ello recomendamos que el dispositivo lo sincronice con Dropbox o Drive para que tengas una copia de cualquier documento en la nube, de esta manera podría tener a la mano todos sus archivos, incluso si rompes el móvil o lo pierde. También te puede interesar: (Cómo recuperar datos de manera segura)
How To Recover Files That Are Deleted From Recycle Bin
How To Recover Files That Are Deleted From Recycle Bin
Well, Windows users have a bad habit of removing files from recycle bin. Deleting useless files from Recycle Bin helps a user to save some storage space which can improve the speed of a computer. However, Windows users do that more frequently and later regret. Actually, Recycle Bin is a place from where we can get back our deleted files and folders.
Sometimes, we accidentally delete our important files and folders and due to some reason we lose them from Recycle bin too! At that time, we search for recovery methods. Well, there are many methods available over the web which can help you to recover deleted files from computer, but, when it comes to reliability, nothing can beat EaseUS.
What Is EaseUS Data Recovery Wizard?
EaseUS is one of the leading software providers which is known for its data recovery programme. EaseUS offers some free data recovery software that can help you to recover deleted, formatted or lost data from PC, laptop or removable device easily and quickly.
One of the best thing about EaseUS is that it provides tools for recycle bin recovery which can help you to get back files that you have deleted from the Recycle bin itself. EaseUS Data Recovery Wizard free can easily recover lost files, pictures, documents, videos and more from deleting, formatting, partition loss, OS crash, virus attack and other data loss cases.
How To Recover Deleted Files?
If you are struggling to get back your lost data files, then here is an easy data recovery method which will help you to get back deleted files on your computer. Below, we are going to share a mini guide on how to use EaseUS Recycle Bin Recovery to get back your deleted data.
Step 1. First of all, you need to download and install EaseUS Data Recovery Wizard on your Windows computer and then launch it normally. You need to select the location where you want to scan and then click on 'Scan'
Step 2. Now, wait for few minutes until the tool finishes scanning your drive. The tool search for files that got deleted or cleaned from the Recycle Bin.
Step 3. Now it will show you files that you can recover. Here you need to click on the file which you want to recover and click on 'Recover'
That's it, you are done! This is how you can use EaseUS data recovery to get back your deleted files on your computer.
Benefits of EaseUS Data Recovery
Well, the data recovery tool provided by EaseUS comes with many benefits. It can not only recover accidentally deleted files, but it can also recover data in case of Virus Attacks, Hard Disk Damage, OS Crash etc.
You can also use this awesome data recovery wizard to recover deleted files from External Disk, USB Drive, Camcorder, Mobile Devices, Zip Drive, iPod, Music Player and more.
Overall, this is one of the best data recovery tools you can have on your Windows computer. EaseUS Data Recovery also has a free version with restricted features. Overall, this is a stress-free solution to get back your deleted files
Bob was tasked to break into XYZcorporation, so he pulled up the facility on google maps to see what the layout was. He was looking for any possible entry paths into the company headquarters. Online maps showed that the whole facility was surrounded by a security access gate. Not much else could be determined remotely so bob decided to take a drive to the facility and get a closer look.
Bob parked down the street in view of the entry gate. Upon arrival he noted the gate was un-manned and cars were rolling up to the gate typing in an access code or simply driving up to the gate as it opening automatically.Interestingly there was some kind of wireless technology in use.
How do we go from watching a car go through a gate, to having a physical device that opens the gate?
We will take a look at reversing a signal from an actual gate to program a remote with the proper RF signal.Learning how to perform these steps manually to get a better understanding of how RF remotes work in conjunction with automating processes with RFCrack.
In the the previous blogs, we sniffed signals and replayed them to perform actions. In this blog we are going to take a look at a signal and reverse it to create a physical device that will act as a replacement for the original device. Depending on the scenario this may be a better approach if you plan to enter the facility off hours when there is no signal to capture or you don't want to look suspicious.
Recon:
Lets first use the scanning functionality in RFCrack to find known frequencies. Weneed to understand the frequencies that gates usually use. This way we can set our scanner to a limited number of frequencies to rotate through. The smaller rage of frequencies used will provide a better chance of capturing a signal when a car opens the target gate. This would be beneficial if the scanning device is left unattended within a dropbox created with something like a Kali on a Raspberry Pi. One could access it from a good distance away by setting up a wifi hotspot or cellular connection.
Based on research remotes tend to use 315Mhz, 390Mhz, 433Mhz and a few other frequencies. So in our case we will start up RFCrack on those likely used frequencies and just let it run. We can also look up the FCID of our clicker to see what Frequencies manufactures are using. Although not standardized, similar technologies tend to use similar configurations. Below is from the data sheet located at https://fccid.io/HBW7922/Test-Report/test-report-1755584 which indicates that if this gate is compatible with a universal remote it should be using the 300,310, 315, 372, 390 Frequencies. Most notably the 310, 315 and 390 as the others are only on a couple configurations.
RFCrack Scanning:
Since the most used ranges are 310, 315, 390 within our universal clicker, lets set RFCrack scanner to rotate through those and scan for signals.If a number of cars go through the gate and there are no captures we can adjust the scanner later over our wifi connection from a distance.
Currently Scanning: 433000000 To cancel hit enter and wait a few seconds
Example of logging output:
From the above output you will see that a frequency was found on 390. However, if you had left this running for a few hours you could easily see all of the output in the log file located in your RFCrack/scanning_logs directory.For example the following captures were found in the log file in an easily parseable format:
Analyzing the signal to determine toggle switches:
Ok sweet, now we have a valid signal which will open the gate. Of course we could just replay this and open the gate, but we are going to create a physical device we can pass along to whoever needs entry regardless if they understand RF. No need to fumble around with a computer and look suspicious.Also replaying a signal with RFCrack is just to easy, nothing new to learn taking the easy route.
The first thing we are going to do is graph the capture and take a look at the wave pattern it creates. This can give us a lot of clues that might prove beneficial in figuring out the toggle switch pattern found in remotes. There are a few ways we can do this. If you don't have a yardstick at home you can capture the initial signal with your cheap RTL-SDR dongle as we did in the first RF blog. We could then open it in audacity. This signal is shown below.
Let RFCrack Plot the Signal For you:
The other option is let RFCrack help you out by taking a signal from the log output above and let RFCrack plot it for you.This saves time and allows you to use only one piece of hardware for all of the work.This can easily be done with the following command:
From the graph output we see 2 distinct crest lengths and some junk at either end we can throw away. These 2 unique crests correspond to our toggle switch positions of up/down giving us the following 2 possible scenarios using a 9 toggle switch remote based on the 9 crests above:
Possible toggle switch scenarios:
down down up up up down down down down
up up down down down up up up up
Configuring a remote:
Proper toggle switch configuration allows us to program a universal remote that sends a signal to the gate. However even with the proper toggle switch configuration the remote has many different signals it sends based on the manufacturer or type of signal.In order to figure out which configuration the gate is using without physically watching the gate open, we will rely on local signal analysis/comparison.
Programming a remote is done by clicking the device with the proper toggle switch configuration until the gate opens and the correct manufacturer is configured. Since we don't have access to the gate after capturing the initial signal we will instead compare each signal from he remote to the original captured signal.
Comparing Signals:
This can be done a few ways, one way is to use an RTLSDR and capture all of the presses followed by visually comparing the output in audacity. Instead I prefer to use one tool and automate this process with RFCrack so that on each click of the device we can compare a signal with the original capture. Since there are multiple signals sent with each click it will analyze all of them and provide a percent likelihood of match of all the signals in that click followed by a comparing the highest % match graph for visual confirmation. If you are seeing a 80-90% match you should have the correct signal match.
Note:Not every click will show output as some clicks will be on different frequencies, these don't matter since our recon confirmed the gate is communicating on 390Mhz.
In order to analyze the signals in real time you will need to open up your clicker and set the proper toggle switch settings followed by setting up a sniffer and live analysis with RFCrack:
Open up 2 terminals and use the following commands:
#Setup a sniffer on 390mhz Setup sniffer:python RFCrack.py -k -c -f 390000000.
#Monitor the log file, and provide the gates original signal Setup Analysis: python RFCrack.py -c -u 1f0fffe0fffc01ff803ff007fe0fffc1fff83fff07ffe0007c -n.
Cmd switches used
-k = known frequency
-c = compare mode
-f = frequency
-n = no yardstick needed for analysis
Make sure your remote is configured for one of the possible toggle configurations determined above. In the below example I am using the first configuration, any extra toggles left in the down position: (down down up up up down down down down)
Analyze Your Clicks:
Now with the two terminals open and running click the reset switch to the bottom left and hold till it flashes. Then keep clicking the left button and viewing the output in the sniffing analysis terminal which will provide the comparisons as graphs are loaded to validate the output.If you click the device and no output is seen, all that means is that the device is communicating on a frequency which we are not listening on.We don't care about those signals since they don't pertain to our target.
At around the 11th click you will see high likelihood of a match and a graph which is near identical. A few click outputs are shown below with the graph from the last output with a 97% match.It will always graph the highest percentage within a click.Sometimes there will be blank graphs when the data is wacky and doesn't work so well. This is fine since we don't care about wacky data.
You will notice the previous clicks did not show even close to a match, so its pretty easy to determine which is the right manufacture and setup for your target gate. Now just click the right hand button on the remote and it should be configured with the gates setup even though you are in another location setting up for your test.
For Visual of the last signal comparison go to ./imageOutput/LiveComparison.png
----------Start Signals In Press--------------
Percent Chance of Match for press is: 0.05
Percent Chance of Match for press is: 0.14
Percent Chance of Match for press is: 0.14
Percent Chance of Match for press is: 0.12
----------End Signals In Press------------
For Visual of the last signal comparison go to ./imageOutput/LiveComparison.png
----------Start Signals In Press--------------
Percent Chance of Match for press is: 0.14
Percent Chance of Match for press is: 0.20
Percent Chance of Match for press is: 0.19
Percent Chance of Match for press is: 0.25
----------End Signals In Press------------
For Visual of the last signal comparison go to ./imageOutput/LiveComparison.png
----------Start Signals In Press--------------
Percent Chance of Match for press is: 0.93
Percent Chance of Match for press is: 0.93
Percent Chance of Match for press is: 0.97
Percent Chance of Match for press is: 0.90
Percent Chance of Match for press is: 0.88
Percent Chance of Match for press is: 0.44
----------End Signals In Press------------
For Visual of the last signal comparison go to ./imageOutput/LiveComparison.png
Graph Comparison Output for 97% Match:
Conclusion:
You have now walked through successfully reversing a toggle switch remote for a security gate. You took a raw signal and created a working device using only a Yardstick and RFCrack.This was just a quick tutorial on leveraging the skillsets you gained in previous blogs in order to learn how to analyzeRF signals within embedded devices. There are many scenarios these same techniques could assist in.We also covered a few new features in RF crack regarding logging, graphing and comparing signals.These are just a few of the features which have been added since the initial release. For more info and other features check the wiki.
