MySQL Learning Notes
MySQL Learning Notes SQL: Structure Quevy Language 1. Basic Knowledge DDL: Data Definition Language DML: Data Operating Language - Operating Records in Database Tables DQL: Data Query Language DCL: Data Control Language - Define access and security levels 1. Login Method mysql -uroot -p123456 -UTF-8...
Posted by psy on Sun, 16 May 2021 02:35:33 +0930
[ctf wiki pwn] stackoverflow: 2016-360 spring and autumn cup srop wp
1,checksec 2. IDA pseudo code IDA pseudo code is: public start start proc near xor rax, rax mov edx, 400h ; count mov rsi, rsp ; buf mov rdi, rax ; fd syscall ; LINUX - sys_read retn start endp _text ends end start This program has only a few lines of code. First, set rax to zero through xor. UTF-8...
Posted by mastermike707 on Sat, 10 Jul 2021 06:25:09 +0930
ctfshow 2021/7/9-10 eat chicken cup 6 questions
The group leader said to make a simple topic. Let's make it a little easier Convert c to string directly from libnum import * print(n2s(753942433466370960362245139417326604948003139322030944590231931050473628736586045113275203662233955415979961176832868679282875095255126864786316054777423793495UTF-8...
Posted by melkara on Sun, 11 Jul 2021 04:39:42 +0930
(WP) ctfweb SQL injection geek challenge
(wp) ctfweb SQL injection geek challenge My blog, welcome to play buuctf geek Challenge Series sql injection NO.1 EasySQL The title is as follows: Try universal password first ' or 1=1 # Results one step to get the answer NO.2 LoveSQL Same title, no change Try universal password, no valid inforUTF-8...
Posted by tester2 on Tue, 13 Jul 2021 03:55:01 +0930
Common classical codes
Classical code preface Systematic study of the classical password, here about sorting out the main encryption methods and implementation of encryption and decryption of python code. 1. Affine (affine encryption) Another form of single code encryption is called affine cipher. In affine encryptioUTF-8...
Posted by buraks78 on Thu, 22 Jul 2021 03:44:35 +0930
PHP deserialization
What is serialization? The content is streamed, and the concept of flow is needless to say here (I/O). We can read and write the streamed objects or transfer the streamed objects between networks. Some problems will be caused when reading and writing the object stream, and the serialization mecUTF-8...
Posted by renaun on Sat, 24 Jul 2021 05:15:50 +0930
hackme2 Range Scratch Record
Write before Recently I saw some of the next targets that looked like fun to play with nmap sweep port Sweep straight in Penetration begins! sql injection after logon Guess search has sql injection No response from sqlmap shuttle. Back to manual fuzz nb 666 My baby Okay, just fast forward to tUTF-8...
Posted by englishtom on Wed, 28 Jul 2021 04:39:33 +0930
Linux kernel inode node
1. inode node concept Mapping structure between file and disk Cache is the mapping structure between user and disk 2. Learning purpose of inode node Understand how files and disks build relationships Deep understanding of how file systems work Linux has a deeper understanding and methods of filUTF-8...
Posted by joshbb on Fri, 17 Dec 2021 13:51:37 +1030
linux kernel note four signals
Semaphore 1,SIGHUP SIGINT SIGQUIT SIGILL SIGTRAP SIGPIPE SIGCHLD SIFTTOU wait /include/signal.h #define SIGHUP 1 #define SIGINT 2 #define SIGQUIT 3 #define SIGILL 4 #define SIGTRAP 5 #define SIGABRT 6 #define SIGIOT 6 #define SIGUNUSED 7 #define SIGFPE 8 #define SIGKILL 9 #define SIGUSR1 10 #deUTF-8...
Posted by stanleycwb on Fri, 17 Dec 2021 19:58:59 +1030
linux_kernal_pwn 2018 strong net cup - core
Four files, vmlinux does not need to extract. Open kaslr. We say that there are four kinds of kernel protection, isolation, access control, exception detection and randomization. There are two kinds of randomization, one is kaslr and the other is fgkaslr. In the kernel with KASLR enabled, the UTF-8...
Posted by jfarthing on Sat, 18 Dec 2021 12:37:19 +1030