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How can I create a blockchain from scratch?

Blockchain technology was announced initially as “A Peer-to-Peer Electronic Cash System” by Satoshi Nakamoto in the year 2008. It is a list of transaction records known as blocks and linked together by using cryptography. In other words, blockchain is a distributed ledger and each block consists of cryptographic hash of the previous block, transaction data, and a timestamp.

Eight Steps to Make Blockchain from Scrap

#Step 1
Identify the Right Use-Case
Look for the suitable use-case complementing your business sense and needs. Get your data authenticated and verified by including encryption, and digital signatures. Use, smart asset management to include payment, exchange, escrow, issuance, and retirement payment options.
#Step 2
Identify the Right Consensus Mechanism
Once, you have opted for use-case, you need to choose the right Consensus Mechanism. Over the years, there have been multiple distributed ledger systems you can choose like Byzantine fault tolerant, Proof of stake, Round Robin, Federated consensus, and Derived PBFT.
#Step 3
Choose the Suitable Platform
Fortunately, there are many free of cost and independent blockchain platforms to use such as Chain Core, BigChainDB, Eris:db, Domus Tower Blockchain, Stellar, Symbiont Assembly, Hyperledger Sawtooth Lake, and Quorum.
#Step 4
Designing the Nodes
Blockchain solutions are distinguished into two- Permissioned (Government run land registry) and Permission-less (Where everyone can be a miner such as Bitcoin). The solutions can be private, public, and hybrid. Meanwhile, in this stage decide whether the nodes will access on premise, cloud or both. You also need to opt for base operating systems such as Debian, CentOS, Windows, Ubuntu, and Red Hat.
#Step 5
Create the Blockchain Illustration
Multiple blockchain platforms require vigilant and planned configuration that must include permissions, asset re-issuance, asset issuance, key management, native assets, address formats, and block signatures.
#Step 6
Creating APIs
Some blockchain has inbuilt APIs and some don’t. Your API must generate key pairs, and address, perform audit, authenticate data, smart asset lifecycle management and data storage and retrieval.
#Step 7
Create the Admin and User Interface
Now is the time to choose the right programming languages (JAVA, JavaScript, Ruby, Python, and Solidity), front end, external databases (MongoDB, and MySQL), and severs (mail servers, Web servers, and FTP servers).
#Step 8
Infusing Future Tech
By adding biometrics, bots, artificial intelligence, cloud, data analytics, machine learning and cognitive services you can accentuate your blockchain technology.
References:
#8 Steps to Build a Blockchain Solution
How do you make Blockchain?
submitted by Sonaliiiii to u/Sonaliiiii [link] [comments]

How do you make Blockchain?

How do you make Blockchain?
Blockchain technology was announced initially as “A Peer-to-Peer Electronic Cash System” by Satoshi Nakamoto in the year 2008. It is a list of transaction records known as blocks and linked together by using cryptography. In other words, blockchain is a distributed ledger and each block consists of a cryptographic hash of the previous block, transaction data, and a timestamp.


https://preview.redd.it/pdbd1r2qlsi31.jpg?width=860&format=pjpg&auto=webp&s=762eda991eabcb1a033b192801f31dec18413287

Eight Steps to Make Blockchain from Scrap

#Step 1
Identify the Right Use-Case
Look for the suitable use-case complementing your business sense and needs. Get your data authenticated and verified by including encryption, and digital signatures. Use, smart asset management to include payment, exchange, escrow, issuance, and retirement payment options.
#Step 2
Identify the Right Consensus Mechanism
Once, you have opted for use-case, you need to choose the right Consensus Mechanism. Over the years, there have been multiple distributed ledger systems you can choose like Byzantine fault tolerant, Proof of stake, Round Robin, Federated consensus, and Derived PBFT.
#Step 3
Choose the Suitable Platform
Fortunately, there are many free of cost and independent blockchain platforms to use such as Chain Core, BigChainDB, Eris:db, Domus Tower Blockchain, Stellar, Symbiont Assembly, Hyperledger Sawtooth Lake, and Quorum.
#Step 4
Designing the Nodes
Blockchain solutions are distinguished into two- Permissioned (Government run land registry) and Permission-less (Where everyone can be a miner such as Bitcoin). The solutions can be private, public, and hybrid. Meanwhile, in this stage decide whether the nodes will access on premise, cloud or both. You also need to opt for base operating systems such as Debian, CentOS, Windows, Ubuntu, and Red Hat.
#Step 5
Create the Blockchain Illustration
Multiple blockchain platforms require vigilant and planned configuration that must include permissions, asset re-issuance, asset issuance, key management, native assets, address formats, and block signatures.
#Step 6
Creating APIs
Some blockchain has inbuilt APIs and some don’t. Your API must generate key pairs, and address, perform audit, authenticate data, smart asset lifecycle management and data storage and retrieval.
#Step 7
Create the Admin and User Interface
Now is the time to choose the right programming languages (JAVA, JavaScript, Ruby, Python, and Solidity), front end, external databases (MongoDB, and MySQL), and severs (mail servers, Web servers, and FTP servers). Experts at Sphinx Worldbiz can help you in choosing and creating the right admin and user interface to enhance your blockchain technology.
#Step 8
Infusing Future Tech
By adding biometrics, bots, artificial intelligence, cloud, data analytics, machine learning and cognitive services you can accentuate your blockchain technology.
submitted by AniiJain to u/AniiJain [link] [comments]

BitCoin Mining Malware Removal Help

Hello,
Just this morning we received an alert from our Sophos Cloud Console about an apparent "Troj/Miner-BP" virus that was detected on our Exchange 2010, Windows 2008 R2 server. This is our primary Exchange server in a multi Exchange server (2 total) environment. I believe I've been able to stop the bleeding for now (answer how for those curious towards the bottom), but I'm curious if any of you have any experience with any mining malware like this (Google had hardly any results, and the only results they did come up with are from the last day or two so I'm sure it's a relatively new exploit). Please bear with me while I try to relay all of the information we've gathered about this mining malware - it's slightly confusing and all based on roughly 2 hour's worth of trying to trace this malware's path.
The infected file that Sophos caught was LMS.exe (not lsm.exe which is a legitimate executable) that was being created in the C:\WINDOWS\Fonts\ directory. If you've ever manually browsed to the Fonts directory you know that, whether you have file extensions hidden or not, Windows Explorer only shows the installed Fonts packages, and not the individual .tff files themselves. Because of this, LMS.exe was not visible when browsed to manually on the local server. We were able to see the LMS.exe file when we c$'d from a different server, but because Sophos was continually trying to Quarantine it (it was being auto-regenerated) we weren't ever able to see any Properties of it. So what was auto-recreating the file? A quick look into Task Manager showed that another executable, msiexev.exe (again, not msiexe.exe the legitimate file) was using between 80-90% of the CPU. Going to the Properties of that process led us to the C:\WINDOWS\security\ directory. After killing the process we were able to rename the file to msiexev.exe.old with no issues. However, after 5 minutes or so a new file of the exact same file size, 1,205KB, was created in its place. Rinse and repeat. If we let msiexev.exe run for roughly 15-20 seconds it would again spawn LMS.exe in the Font directory, and again Sophos would begin quarantining it in an endless game of cat and mouse.
By this time the AV scan we had begun roughly 30 minutes prior quarantined another executable - this time right on the root of the C:\WINDOWS\ directory. This executable was called wmsa.exe, and the timestamp was only 1 minute different (1:07 PM) than the timestamp of the original msiexev.exe (1:08 PM) Tuesday afternoon. This file was easily deleted, and has not been recreated since.
We were able to stop the process from spinning up again by creating a blank file named msiexev.exe in the C:\WINDOWS\security\ directory, giving a domain account ownership of the file, and then removing all Security permissions on the file. Since that time the malware appears unable to execute.
My questions is - has anyone else been faced with this malware? It appears that it is BitCoin mining malware. From the little documentation online I've been able to find it appears to be an exploit that's only vulnerable on Windows Server 2008 R2 boxes with Exchange 2010. If anyone else has any ideas on ways to prevent this or plug this hole I'm open to suggestions.
Thanks!
UPDATE: So after gettting up to the latest patch level (we were patched to the 17th when the infection happened) and having LMS.exe sitting in Quarantine waiting to be cleaned up on the next restart, we scheduled a planned reboot last night at 9 PM. After system restart we found the Sophos detected the malware was attempting to execute again sigh. We also located a new executable in C:\WINDOWS\prefetch\ labeled wuauser.exe along with two text files, history.txt and id.txt. Each of these text files contained a unique 32 character hex code, and nothing else. For those of you that legitimately mine BitCoin - are they relevant to anything? These files are all timestamped either 1:07 or 1:08 Tuesday afternoon, again, matching the time we believe we were initially infected.
We applied our "fix" to these files where we made a domain user the Owner of a blank file that was named identically and then removed all file permissions to them in hopes that they are unable to be regenerated. We also applied this same logic to the LMS.exe file in C:\WINDOWS\Fonts.
After doing all of this our AV console finally has marked that LMS.exe has been "cleaned up" and not just quarantined. I'm hopeful that this has stopped the spread/execution of this malware, but I'm still leery that the underlying exploit that got this installed on our system in the first place is still vulnerable. We'll continue monitoring over the weekend, and if there are any other major updates I'll be sure to update the thread.
submitted by willowshole5 to techsupport [link] [comments]

How to Mine BiblePay on Linux

This guide is outdated, please refer to:
https://wiki.biblepay.org/POBH_Setup
https://wiki.biblepay.org/PODC_Setup
 
 
 
 
 
 
 
 
IMPORTANT - Evolution Upgrade:
Quick Start https://wiki.biblepay.org/Quick_Start
Evolution Upgrade Information https://wiki.biblepay.org/Evolution_Upgrade
Getting Started with Evolution https://wiki.biblepay.org/Getting_Started_with_Evolution
Generic Smart Contracts https://wiki.biblepay.org/Generic_Smart_Contracts
What is BiblePay Evolution? https://www.reddit.com/BiblePay/comments/bifvpk/biblepay_evolution_what_is_it/
Recommend 2GB RAM or can get stuck compiling (if 1GB RAM can use Swap File) Use Ubuntu 16.04
INFO
https://github.com/biblepay/biblepay-evolution/blob/masteBuildBiblePay.txt
INSTALL COMMANDS
apt-get install build-essential libtool autotools-dev automake pkg-config libssl-dev libevent-dev bsdmainutils apt-get install libboost-system-dev libboost-filesystem-dev libboost-chrono-dev libboost-program-options-dev libboost-test-dev libboost-thread-dev apt-get install libqt5gui5 libqt5core5a libqt5dbus5 qttools5-dev qttools5-dev-tools libprotobuf-dev protobuf-compiler apt-get install git apt-get install curl build-essential libtool autotools-dev automake pkg-config python3 bsdmainutils cmake sudo add-apt-repository ppa:bitcoin/bitcoin sudo apt-get update sudo apt-get install libdb4.8-dev libdb4.8++-dev git clone http://github.com/biblepay/biblepay-evolution prefix=x86_64-pc-linux-gnu cd biblepay-evolution/depends make -j4 # Choose a good -j value, depending on the number of CPU cores available cd .. ./autogen.sh #Note: if echo `pwd` does not return your working directory, replace it with your working directory such as /biblepay-evolution/ ./configure --prefix `pwd`/depends/x86_64-pc-linux-gnu make # See more here: #https://github.com/biblepay/biblepay-evolution/blob/mastedoc/build-unix.md 

SWAP FILE
NOTE: if server is 1GB RAM, before running last command "sudo make", set up a swap file
free #check if swap is 0 dd if=/dev/zero of=/vaswap.img bs=1024k count=1000 mkswap /vaswap.img swapon /vaswap.img free #check if swap is 1024 sudo make 

RUN COMMAND LINE
cd src ./biblepayd -daemon 
OR
RUN GUI
Your GUI program will be located in: /biblepay-evolution/src/qt
./biblepay-qt 
You can also run it in the background (to free up your terminal) if you call it with:
./biblepay-qt & 
To start mining, instructions are the same as for Windows: Go to Tools -> Debug Console
Execute this command (to start mining with 8 threads)
setgenerate true 8 
From there you can use all other commands such as getmininginfo, getwalletinfo, etc. Execute help command to get the list of all available commands.
Note: GUI will be built automatically only if you meet the requirements for qt library, i.e. make sure you ran this line before compiling:
sudo apt-get install libqt5gui5 libqt5core5a libqt5dbus5 qttools5-dev qttools5-dev-tools libprotobuf-dev protobuf-compiler 
BIBLEPAY is now Running!

SETUP CONFIG
Stop BiblePay and set up the config file to get starting nodes to sync with and enable mining:
./biblepay-cli stop cd ~/.biblepayevolution/ vi biblepay.conf addnode=node.biblepay.org gen=1 genproclimit=1 
Escape Key + : (Colon Key) + w + q + Enter (saves file and quits)

addnode --- adds a node to the list of nodes to connect to gen=1 --- turns on mining genproclimit --- sets number of threads to use when mining

Run BiblePay again and fully sync with network
cd ../biblepay-evolution/src ./biblepayd -daemon ./biblepay-cli getinfo 

USEFUL COMMANDS
./biblepay-cli help ./biblepay-cli getaccountaddress "" ./biblepay-cli getinfo ./biblepay-cli getmininginfo ./biblepay-cli setgenerate true 8 ./biblepay-cli sendtoaddress "insertAddressHere" 777 "" "" true ./biblepay-cli stop ./biblepayd -daemon top #CPU usage q to quit 

MINING THREADS: To change number of threads to use up for mining
a. Edit home/yourusername/.biblepayevolution/biblepay.conf file:
genproclimit=X 
and restart BiblePay -or- b. Menu >> Tools >> Debug Console >> Type command:
setgenerate true X 
(Replace X with number of threads Use top command to view CPU usage)

POOL
NOTE: To use the pool you must now use the external miner, not the wallet miner https://whitewalr.us/2019/biblepay-nomp-pool-mining.html
  1. Set up an account on pool website: https://pool.biblepay.org/
  2. Create Worker Username(s) - Workers tab >>> Add
  3. Enable pool and add Worker Username in ~/.biblepayevolution/biblepay.conf file, add these lines and save:
    pool=https://pool.biblepay.org workerid=insertWorkerUsernameHere
4. Restart BiblePay
./biblepay-cli stop ./biblepayd -daemon 
Setup Auto-Withdraw Navigate to Account >>> Account Settings >>> Verify your BBP Receiving Address >>> Click Authorize-Auto-Withdraws

UPDATE:

### Turn off/stop BiblePay
cd /home/yourname/biblepay-evolution/src ./biblepay-cli stop 

### Pull down latest Biblepay code and build it
cd /home/yourname/biblepay-evolution git pull origin master sudo make 

### Turn BiblePay back on and check version number
cd src ./biblepayd -daemon ./biblepay-cli getinfo ./biblepay-cli setgenerate true 8 

UPDATE IN ONE COMMAND:
./biblepay-evolution/src/biblepay-cli stop ; cd && cd biblepay-evolution/ && git pull origin master && sudo make && cd src && ./biblepayd -daemon && sleep 90 && ./biblepay-cli getmininginfo 
Note: the ";" says do this after, regardless of the outcome Note: && says do this after only if previous command finished with no errors

SPEED UP COMPILE:
To speed up the compile time, add -j4 or -j8 after make. This way it compiles using 4 or 8 threads instead of just 1.
./configure LDFLAGS="-L${BDB_PREFIX}/lib/" CPPFLAGS="-I${BDB_PREFIX}/include/" sudo make -j8 
Reference: http://www.linux-databook.info/?page_id=2319

RSYNC stop biblepay from your nodes compile on your fastest machine then rsync with your machines only src folder is required
rsync -avuz /root/biblepay-evolution/src/ [email protected]:/root/biblepay-evolution/src/ 
https://stackoverflow.com/questions/3299951/how-to-pass-password-for-rsync-ssh-command https://www.thegeekstuff.com/2008/11/3-steps-to-perform-ssh-login-without-password-using-ssh-keygen-ssh-copy-id/
people make cron jobs and rsync automatically

OUTDATED

Unofficial Bash Script
https://gist.github.com/anonymous/d1c1d35e3c8f67f5fb2e204479fa5c6b

Official Ubuntu Package
https://launchpad.net/~biblepay-official

Unofficial Ubuntu Package
https://www.reddit.com/BiblePay/comments/7rwqqs/unofficial_ubuntu_packages_available/

Unofficial Mine in One Line
https://www.reddit.com/BiblePay/comments/7ryuk1/mine_in_one_line/
NOTE: DONT RUN ON A COMPUTER WITH COINS -- THIS IS A CLEAN INSTALL SCRIPT

COMPILE WITHOUT GUI: https://bitcointalk.org/index.php?topic=2042657.msg21878317#msg21878317 https://bitcointalk.org/index.php?topic=2042657.msg21878389#msg21878389
ADVANCED:

DOCKER IMAGES (NOTE: I havent tested these, use at your own risk) https://hub.docker.com/gagaha/biblepay/ https://hub.docker.com/cryptozero/biblepay-opt/
submitted by togoshige to BiblePay [link] [comments]

[Guide] No hardware to mine? How to net 6,000+Ð/day using Windows Azure

Inspired by lleti 's free guide for using Amazon Web Services. However, from what I understand due to rental costs, it is more efficient to buy doge directly than use AWS. This guide is based on utilizing the $200 credit that comes with the Windows Azure cloud computing free trial, so you will not pay anything.
This is targeted at shibes with poor hardware that can only mine 50-200 doge per day, but it will work for everyone.
Disclaimer: Doge rate is an estimate based on current difficulties and market. Windows Azure trial may be US only (?)
Overview / How it works
You will not be mining doge directly with this method. Mining doge effeciently requires a GPU, which aren't found in traditional servers. Instead, we will be using the powerful CPUs provided with Windows Azure servers to mine a CPU based crypto-currency, such as QuarkCoin or SecureCoin, and convert those to doge.
Steps
1) Install your QRK or SRC wallet
Ideally if you are reading this, you have installed a dogecoin-qt wallet for yourself before. We will need to do the same for either QuarkCoin or SecureCoin. This is the wallet where will will send the coins you mine with your Windows Azure servers.
These are not the only CPU coin options, but QRK and SRC are very similar (same hash function) and simple to mine.
Once you have installed the wallet, it should look very similar to your DogeCoin wallet. If you have trouble downloading the blockchain ('out of sync'), look at these threads respectively to see which nodes you need to add to your config file. Config files are located at C:\Users\UserName\AppData\Roaming\CoinName.conf on Windows.
2) Set up a mining pool account
If you have joined a mining pool for DogeCoin, it will be a very similar experience for other alt coins. See the following bitcointalk threads which have a list of mining pools:
If you would like a pool recommendation, I can recommend src.coinmine.pl and qrk.coinmine.pl; this is from personal experience, I am not affiliated with them.
Once you are logged in you should also create 3 workers, as we will be setting up 3 servers, one for each server. So you should have 3 worker names, and a password set up for each worker.
3) Sign up for Windows Azure free trial
Link: www.windowsazure.com/en-us/pricing/free-trial/
You will have to provide a valid credit card and verify your account with a cell phone so they know you are a real person. This is a Microsoft product so they are reputable. Once you sign up, you will receive a $200 to use in 30 days. Remember to cancel when your credits are running out so they don't charge you.
4) Create Windows Server instances
I would recommend you watch this video which walks you through the UI of the Windows Azure management site to set up the virtual machines we need. Essentially we are going to do the following:
Thus we have a total of 20 CPU cores to mine QRK / SRC with. We want the the most CPU power we can get without excessively burning our $200 credit. That's why 2008 R2 is used, and only 3 instances of it.
5) Remotely connect to servers and download miner
This section is also covered in the video from section 4, watch it for a visual walkthrough.
Once the servers have been initialized on Microsoft's end, we should be able to access them under 'Virtual Machines' at www.manage.windowsazure.com. You should see each host name and a status, and when selected there should be an additional 'Connect' button - click it.
You should now be prompted to download a .rdp file. Download this for each of your 3 virtual machines to a folder you will remember. You will open this .rdp file and use the login credentials you previously specified to connect to each server.
Once you are remotely connected, you should see the desktop. Open up the first icon on the taskbar that looks like a server, this is your server manager. We need to open up the 'Configure IE ESC' setting that's visible on this pane. Make sure 'Off' is selected for both admins and users on the IE ESC configuration.
Now, open up the IE browser and navigate to https://docs.google.com/file/d/0B9cvOfoOekSdVzZZcThLZHg4bjA/edit. Press Ctrl + S to download the entire zip to the desktop, and un-zip it.
6) Configure and start miner
Again, this is pretty much covered in the video from section 4, if you prefer watching.
You should now have a folder on your server's desktop named quark-v2_w64. This is the miner for both QRK and SRC. We are going to be using minerd64_sse4.exe. Create a shortcut to minerd64_sse4.exe within the same folder. We now need to add the parameters for your miner.
Right click on your minerd64_sse4.exe shortcut -> Properties. Look at the target field, it should look like this:
C:\Users\UserName\Desktop\quark-v2_w64\minerd64_sse4.exe
We are going append the following format to this target field
-a quark -t 8 -o stratum+tcp://src.coinmine.pl:6020 -u user.worker -p password
-a: algorithm, both SRC and QRK use 'quark'
-t: number of cores (so either 8 or 4 for our purposes)
-o: mining pool information (url and port).
-u: account you have for your mining pool, then a period, then a worker name
-p: password that you created for the worker in step 2
So here is an example of what the target field of your shortcut should look like when you are done:
C:\Users\Nexic\Desktop\quark-v2_w64\minerd64_sse4.exe -a quark -t 8 -o stratum+tcp://src.coinmine.pl:6020 -u Nexic.worker1 -p pass1
7) Profit!!
If you set up your miners correctly on each Windows Server VM (I prefer to assign a separate worker to each one), you should be able to run them and see an output like this: http://i.imgur.com/3lECqSz.png. You can close your remote sessions without interrupting it.
How do you get the doge, you ask? Well, using the above setup I have earned 10 SecureCoins in the past 2 days. These are worth 0.00094 bitcoins (BTC) on Cryptsy at present. A doge is worth 0.0000007 BTC at present, so if I go from SRC -> BTC -> DOGE, I can turn 5 SRC to 6,642 DOGE on Cryptsy. There are also other exchanges, I won't go into how to exchange coins on this post. Remember, this is every day for about a week, for free!
Also, you can CPU mine on your own personal computers as well, not just the servers.
TL;DR
Mine QuarkCoin / SecureCoin using Windows Azure free trial, use Cryptsy (or other exchange) to convert to DOGE. Much more efficient than CPU mining Doge.
submitted by Nexic to dogecoin [link] [comments]

BitCoin Mining Malware Removal Help (X-Post from /r/Techsupport)

Hello,
Just this morning we received an alert from our Sophos Cloud Console about an apparent "Troj/Miner-BP" virus that was detected on our Exchange 2010, Windows 2008 R2 server. This is our primary Exchange server in a multi Exchange server (2 total) environment. I believe I've been able to stop the bleeding for now (answer how for those curious towards the bottom), but I'm curious if any of you have any experience with any mining malware like this (Google had hardly any results, and the only results they did come up with are from the last day or two so I'm sure it's a relatively new exploit). Please bear with me while I try to relay all of the information we've gathered about this mining malware - it's slightly confusing and all based on roughly 2 hour's worth of trying to trace this malware's path.
The infected file that Sophos caught was LMS.exe (not lsm.exe which is a legitimate executable) that was being created in the C:\WINDOWS\Fonts\ directory. If you've ever manually browsed to the Fonts directory you know that, whether you have file extensions hidden or not, Windows Explorer only shows the installed Fonts packages, and not the individual .tff files themselves. Because of this, LMS.exe was not visible when browsed to manually on the local server. We were able to see the LMS.exe file when we c$'d from a different server, but because Sophos was continually trying to Quarantine it (it was being auto-regenerated) we weren't ever able to see any Properties of it. So what was auto-recreating the file? A quick look into Task Manager showed that another executable, msiexev.exe (again, not msiexe.exe the legitimate file) was using between 80-90% of the CPU. Going to the Properties of that process led us to the C:\WINDOWS\security\ directory. After killing the process we were able to rename the file to msiexev.exe.old with no issues. However, after 5 minutes or so a new file of the exact same file size, 1,205KB, was created in its place. Rinse and repeat. If we let msiexev.exe run for roughly 15-20 seconds it would again spawn LMS.exe in the Font directory, and again Sophos would begin quarantining it in an endless game of cat and mouse. By this time the AV scan we had begun roughly 30 minutes prior quarantined another executable - this time right on the root of the C:\WINDOWS\ directory. This executable was called wmsa.exe, and the timestamp was only 1 minute different (1:07 PM) than the timestamp of the original msiexev.exe (1:08 PM) Tuesday afternoon. This file was easily deleted, and has not been recreated since.
We were able to stop the process from spinning up again by creating a blank file named msiexev.exe in the C:\WINDOWS\security\ directory, giving a domain account ownership of the file, and then removing all Security permissions on the file. Since that time the malware appears unable to execute.
My questions is - has anyone else been faced with this malware? It appears that it is BitCoin mining malware. From the little documentation online I've been able to find it appears to be an exploit that's only vulnerable on Windows Server 2008 R2 boxes with Exchange 2010. If anyone else has any ideas on ways to prevent this or plug this hole I'm open to suggestions.
Thanks!
Edit: Formatting
submitted by willowshole5 to sysadmin [link] [comments]

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Bitcoin Miner on Server 2008 R2 Datacenter - posted in Virus, Trojan, Spyware, and Malware Removal Help: Hello Fellow Bleepers, I recently discovered a Bitcoin Miner on a server hosting a website. Bitcoin Core ist ein gemeinschaftliches, freies Software-Projekt, veröffentlicht unter der MIT-Lizenz. Release-Signaturen überprüfen Download über Torrent Quelltext Versionshistorie anzeigen Bitcoin Core Release Signierschlüssel v0.8.6 - 0.9.2.1 v0.9.3 - 0.10.2 v0.11.0+ Bitcoin Mining ist das neue Goldschürfen: Als Miner, also Schürfer, verdienen Sie virtuelles Geld dafür, dass Sie Ihre Rechnerleistung zur Verfügung stellen. Allerdings ist hierfür so einiges ... Bitcoin Miner mit Microsoft Hyper-V Server 2008 R2 und AMD Radeon 5770/5830 ... Vorheriger Beitrag HOWTO: Intel 82579V auf Intel DH67BL unter Windows Hyper-V Server 2008 R2 SP1. Nächster Beitrag Zusätzlicher Speicher für die DropBox. Kommentar verfassen Antworten abbrechen. Gib hier deinen Kommentar ein ... Trage deine Daten unten ein oder klicke ein Icon um dich einzuloggen: E-Mail ... GUIMiner 12.12.03 Englisch: Mit der kostenlosen Software GUIMiner können Sie selbst Bitcoins minen.

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How to Mine Bitcoins Using Your Own Computer - YouTube

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