Controlling BOINC remotely The BOINC core client typically is controlled by the running on the same machine: The two programs communicate over a local connection, using 'GUI RPC' (Graphical User Interface Remote Procedure Call). It's also possible to use the BOINC Manager to control a core client on a different host: You can use such as BOINCView to control many BOINC clients at once: Access control for GUI RPC Since GUI RPCs can control the BOINC client (e.g.
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Attaching/detaching projects) it is important to protect your BOINC client from unauthorized control. There are two levels of protection:.
GUI RPCs are authenticated with a GUI RPC password. This is stored with the client in the file guirpcauth.cfg. When BOINC first runs, it generates a long, random password. You can change it if you like. You can specify a set of hosts from which RPCs are allowed.
By default, RPCs are allowed only from the same host. A GUI RPC is handled only if it passes both levels of protection.
Allowing RPCs from remote hosts By default the core client accepts GUI RPCs only from the same host. You can allow remote hosts to control a core client in two ways:. If you run the client with the -allowremoteguirpc command line option, it will accept connections from any host (subject to password authentication). You can create a file remotehosts.cfg in your BOINC Data directory containing a list of allowed DNS host names or IP addresses (one per line). Only these hosts will be able to connect.
The remotehosts.cfg file can also have comment lines that start with either a # or a; character. If you have a remotehosts.cfg file but also start the client with -allowremoteguirpc, the file will be ignored, and any host will be allowed to connect.
RPC stands for Remote Procedure Call. The vulnerability lies in the way RPC is implemented in most versions of Windows. The flaw involves the Distributed Component Object Model (DCOM) interface with RPC, which listens on TCP/IP port 135 and other ports. When exploited via those ports, a buffer overflow is created that could allow remote attackers to run commands with the highest system privileges. Microsoft Windows NT® 4.0 Microsoft Windows® 2000 Microsoft Windows XP Microsoft Windows Server™ 2003 NOTE: Microsoft Windows Millennium, 95, 98, 98 SE are not affected.
Well, there are many programs out there for u to download and use for attack. Lets see some:. Angry Ip Scanner (in our 'Scanners' download section).
dcom.exe (download the one for ur need ). nc.exe (in our 'Scanners' download section). RPC Exploit GUI v2. First of all, open Angry Ip Scanner and scan an ip range for 135 port. U must run it from ur MS-DOS prompt (START - Run - cmd).
Then just type dcom ex. Dcom 5 127.0.0.0 (pls note that when u 'll run the dcom.exe it 'll show u which number indicates each OS. In this example i use number 5). Just run nc.exe (from ur MS-DOS prompt again) and type nc 4444 (pls note that nc might be nc. Jst use its name or rename it to nc).
Now type in net user Administrator (choose ur own pass). So, if everything went right, go to ur START - run - mstsc and just type in ur victim's ip and press connect. When connected, do whatever u like. Not much to say excepts that works fine (ur antivirus might get this as infected or as Hacktool (read 'Antiviruses' in tutorials section). Much more easier than the whole procedure describe above. Tof tool. Microsoft offers a freely downloadable patch for this vulnerability. Its available at: Windows NT Windows 2000 Windows XP NOTE: If there is a broken link, is not our false.
Just visit and search for ur self for the patch or just use the windows live update.
RECOMMENDED UPDATE - v2.0.2 This is a security and maintenance patch for the 2.0 branch of MintCoin. As work towards the 2.1 overhaul is being extended, we are continuing to make adjustments and forward compatibility patches to our current release branch (2.0). Included in this release are a number of updates related to security. Though mostly edge cases, we feel it is important to include such patches for completeness.
SUPPORT FOR 3RD PARTY TRANSACTION URLS Included in this release is optional support for 3rd party transaction URLs (Block explorer links). The setting is accessed from within the GUI's options window in the 'Display' tab. Users can enter URLs to as many Block Explorers Transaction pages as they like and each entry (after restarting the client) will then be a clickable item in the transaction history's context menu. This eliminates the need to manually copy/paste a TXID into a block explorer's search field.
At times we might run into scenarios where a user is unable to access any Exchange, Lync, Mobility or any related External User Access functionalities. This might happen in multiple scenarios like in a new deployment, a firewall upgrade, a switch replacement or a network change, etc., Microsoft has a Graphical User Interface tool called PortQueryUI which can be used to troubleshoot these kinds of scenarios with port connectivity issues.
Explained below is the functionality of this tool PortQueryUI. Download the tool from the below link: Accept the license agreement and proceed. Now you will be directed to unzip the files and choose a location to unzip. Now we can open portquery UI application. There is no need to install this app and it opens up the GUI interface as shown below. It's better to run this tool from the affected machine/server where we are experiencing the issues and then specify the destination IP of the server where we are experiencing the connectivity issues. We could see there are two types of queries.
1) Query Predefined Service – Which has few predefined services like SQL, Web Service, Exchange, etc. When we choose any predefined service it queries all the required ports and provides us the output of the result. 2) Manually input Query ports – Which can be used to query any specific ports on UDP, TCP or both as shown below. Also, we have an option called predefined services in the help tab which helps us to see the list of ports that it queries for any specific service that we choose. Below is an example for a set of predefined services that it queries for Exchange. It has an option to save the query result as shown below. Also, it allows the end user to customize config.xml or provide a config input file for lists of queries that defines their own services.
The config file should follow the same format as config.xml since it accepts only XML inputs. This tool can be used to query open ports during any kind of troubleshooting scenarios.
Controlling BOINC remotely The BOINC core client typically is controlled by the running on the same machine: The two programs communicate over a local connection, using 'GUI RPC' (Graphical User Interface Remote Procedure Call). It's also possible to use the BOINC Manager to control a core client on a different host: You can use such as BOINCView to control many BOINC clients at once: Access control for GUI RPC Since GUI RPCs can control the BOINC client (e.g. Attaching/detaching projects) it is important to protect your BOINC client from unauthorized control.
There are two levels of protection:. GUI RPCs are authenticated with a GUI RPC password. This is stored with the client in the file guirpcauth.cfg. When BOINC first runs, it generates a long, random password. You can change it if you like.
You can specify a set of hosts from which RPCs are allowed. By default, RPCs are allowed only from the same host. A GUI RPC is handled only if it passes both levels of protection.
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Allowing RPCs from remote hosts By default the core client accepts GUI RPCs only from the same host. You can allow remote hosts to control a core client in two ways:. If you run the client with the -allowremoteguirpc command line option, it will accept connections from any host (subject to password authentication). You can create a file remotehosts.cfg in your BOINC Data directory containing a list of allowed DNS host names or IP addresses (one per line). Only these hosts will be able to connect.
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The remotehosts.cfg file can also have comment lines that start with either a # or a; character. If you have a remotehosts.cfg file but also start the client with -allowremoteguirpc, the file will be ignored, and any host will be allowed to connect.
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