Elevation of permission after mysql5.1

MYSQL 5.1 and later versions have another limit. The DLL used to create a function can only be placed in the plugin directory of mysql .. This plug-in directory does not exist by default .. YD: it may be to prevent the DLL from being written to this

Apache may execute a log file vulnerability patch for arbitrary code

Recently, a foreign security researcher found a vulnerability on the Apache server that uses the Rewritelog () function in the modules/mappers/mod_rewrite.c file to incorrectly process certain escape sequences, as a result, malicious attackers can

Linux system reinforcement: add security protection layer to GRUB

There must also be a method to hold your feet. The 26th is approaching. I cannot guarantee that I can remember too many things in a short time and they are all right, assume it's a monkey, Dad, and B. You can't watch it, hahaha ~ (You are not

Securely Delete and Restore Files in Linux

Currently, most of the Linux file systems are in Ext3 format. Once a file is deleted, it may not be restored, even if it can be recovered. Therefore, executing the rm command becomes abnormal. Therefore, we can write two Shell scripts to safely

Buffer Overflow (2)

In the previous article (http://www.bkjia.com/Article/201307/224727.html), the output of the last piece of code is shown in (1: Figure (1) For analysis, why is there such a result? Figure (2) Figure 2 state diagram of function stack

In linux, add a root account and set the password.

Adding an account to the Intranet machine with the privilege escalation without the ECHO will make it difficult to set the password. The following is a command to add a root-level account and set the password. Useradd-p 'openssl passwd-1-salt 'lsof'

Correctly set php-fpm and nginx to prevent website hacking

Core Summary: The user used by the php-fpm sub-process cannot be the website file owner. Any violation of this principle does not comply with the minimum permission principle. According to continuous feedback in the production environment, php

Read iis domains from the command line

Read permission required: C: \ WINDOWS \ system32 \ inetsrv \ MetaBase. xml Set ObjService = GetObject ("IIS: // LocalHost/W3SVC") For Each obj3w In objserviceIf IsNumeric (obj3w. name) ThensServerName = Obj3w. serverCommentSet webSite = GetObject (

Enhanced nginx Security Module

Directory What is sengworkflow? Why do we need to build a sengworkflow project? What additional functions are provided relative to the standard nginxseng.pdf? What is sengworkflow? Sengced is a variant of the reverse proxy and Web server

Basic knowledge of exploit on linux

The shellcode on linux is slightly different from the shellcode on windows. The shellcode on linux is called by the system to execute the desired function. View the system call number cat/usr/src/linux-2.6.38.8/arch/x86/include/asm/unistd_32.h

Oracle injection Summary

MATERIALS: http://www.petefinnigan.com/papers/detect. SQLA = a or 1 = 1SQL> exec get_cust (x union select username from all_users where x = x );Debug: select customer_phone from customers where customer_surname = x unionSelect username from

Another Power: 3.51 website management system vulnerabilities and solutions !!

Author: Science and Technology Creation freedom (real name: Kang Jian)QQ: 330950407 MSN: htlaeh@hotmail.com Today, another 3.51 website management system charge cracking vulnerability was discovered! Similar to the three vulnerabilities found

Weird SQL Injection

SQL Injection has ushered in another technological breakthrough with unique, novel, and Variant statements. Of course, we must make an article on the odd and special aspects to reach the core! That is the root of SQL injection technology. For a long

Foreign MYSQL injection tutorial

(From Projectmoose 4th)[]-[1-Simple SQL Security by Netjester.]-[] Contact: netjester@zoite.net/irc.zoite.net I dont know about you, oh most knowledgable of SQL users, but when I learned how to build a database driven website from varous tutorials

Use Winsock to inject website database data

By: JsuFcz http://jsufcz.21xcn.net Before writing this article, it is necessary to elaborate on the word "injection. Unlike SQL injection, the injection only constructs HTTP request packets and replaces the WEB Submission page as a program to

Old tutorial new cainiao: basic injection teaching

* ** Injection basics ** (mainly manual and basic ~ Haha) Instance: http://www.XXX.com/jiaren.asp? ID = 544 Okay. Now we start ..... 1. Judgment Use;Use and 1 = 1 and 1 = 2 Judgment is very important and the most important step, because if you do

Defense acces from manual injection

In many cases, when using tool injection, intruders find that the tool cannot parse the table name and field name, because all tools have their own dictionary, this dictionary includes the table name and field name. If the Administrator changes the

Analysis on Vulnerability Detection and supplementation

This article is published in Hacker defense 2006. Issue 4. Reprinted Please note: Analysis on Vulnerability Detection and supplementation Text/lonely hedgehog When talking about the injection tools such as D, NBSI, and HDSI, I believe everyone has

Find the shortest cross-site code (by jmdcw)

 Source: VBS small shop On that day, I asked, What is the shortest cross-site statement? In the past, I would think like this: the normal cross-site code: , check, a total of 27 characters. Hey, but I saw an article on the hacker manual, crazy cross-

Essence of Script Security: PHP + MYSQL

I. Preface At the code level, that is, if you consider code security at the application level (that is, you do not consider vulnerabilities in the underlying language itself), the script security issue is the issue of functions and variables.

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