Principles for establishing a dynamic security system for the entire network

The dynamic network security architecture is a multi-level, multi-faceted, and three-dimensional security architecture divided into several layers. The system involves the following steps: network security policy guidance, network security standards

How to deal with MD5 passwords

I recently logged on to the password area of the black base and looked at the MD5 password help post. I was afraid that I would not understand the common sense at the cost. I always added "We All Know" before the official content, the ciphertext

Stop unnecessary services in Win2000

Stop unnecessary services in Win2000 As one of the most popular network operating systems, the server version and Advanced Server version of Windows 2000 have been favored by many network administrators. However, they occupy a large amount of

How to manually destroy Trojans popped up by QQ advertisements

I don't know from which day, My Maxthon browser seems to be unable to intercept some website advertisements, and sometimes the lower right corner of the screen appears something like QQ advertisements, at first, I thought it was an advertisement for

Create a hidden superuser

Source: www.hackbase.comThanks to the Forum moderator fhod. Create a hidden superuserExcept, windows xp/2000 accounts are all under the HKEY_LOCAL_MACHINESAMSAM key in the registry. Except for the SYSTEM user, other users do not have permission to

Encryption is the key to protecting database security

Source: Tianji Larry Ellison, Oracle chief executive, said on Thursday (September 22) that organizations need to pay close attention to how they encrypt their own databases to prevent security threats. According to CNET News.com, as more companies

How IPS achieves deep detection and intrusion defense

Author: Liu Bin Source: China Computer news Policy-based security defense With the continuous improvement of network attack technology and the continuous discovery of network security vulnerabilities, traditional firewall technology and traditional

Prevent IPC $ vulnerability attacks

IPC $ vulnerability description Anyone who has used Windows 2000 knows that the default installation of Windows 2000 allows any user to obtain the list of all accounts and shares of the system through an empty user connection (IPC $, this was

Retrieve passwords of Linux/Unix systems

1. freebsdFreeBSD 4.7When the boot... 9 seconds command is displayed, pressInput: boot-sAfter Login#/Sbin/mount-# PasswdEnter the new password.FreeBSD 5 .*If you want to select start mode, Press 4 to enter single-user mode after logging

ComSndFTP server formatting character Overflow Vulnerability

Some FTP commands on the ComSndFTP server (Version: 1.3.7Beta) have the format character overflow vulnerability, which can cause DOS and the consequences of remote system code execution.Proof of vulnerability:#! /Usr/bin/perl-w# ComSndFTP Server

Photodex ProShow Producer Buffer Overflow Vulnerability Analysis

# Exploit Title: Photodex ProShow Producer v5.0.3256 Local Buffer Overflow Vulnerability# Version: v5.0.3256# Author: Julien Ahrens# Homepage: http://www.inshell.net# Software Link: http://www.photodex.com# Tested on: Windows XP SP3 Professional

Self-writing programs prevent brute force Linux FTP cracking

Recently, it was found that Linux is scanning SSH, MYSQL, and FTP for brute force cracking! Specifically, I wrote a script program to solve the problem. In theory, this script can be used as long as it is an external network application service,

Exchange data streams (ADS) and IIS past and present

For more information about the concept of alternate data streams, see the bigworm translation article "unfavorable NTFS". This article only describes how to access ADS on IIS. Let's take a look at a very old vulnerability: Microsoft IIS 3.0/4.0: $

Struts2 earlier version security vulnerabilities and Solutions

I believe everyone knows about the earlier version of Strusts2. I tried it a few days ago, which is very harmful. In fact, we don't need to know much about it.? ('\ U0023_memberAccess [\ 'allowstaticmethodaccess \'] ') (meh) = true & (aaa) (' \ u0023

[Python] samba 0day

By: a guest on Sep 24th, 2012 | syntax: Python | size: 6.92 KB | hits: 3,930 | expires: Never #! /Usr/bin/python## Finding targets 4 31337z:# Gdb/usr/sbin/smbd 'ps auwx | grep smbd | grep-v grep | head-n1 | awk '{print $2} ''#-> To get

What happened after linux Server intrusion

  Oh, it's a tragedy. It seems like it has been intruded. Check whether/var/log/messages and last have been cleared. Okay. You have an email alert! How can we trace it? Set it in host. allow. Sshd: *: spawn/bin/echo % c % d | mail-s 'title' email

Analysis of the latest Android fakesms Vulnerability

Recently Android burst SMS smishing vuln, first from the http://www.csc.ncsu.edu/faculty/jiang/smishing.html, then the poc is provided on github,Specifically, it is anyAppInWrite_smsAttackers can forge any text message from any sender.Affected

Hackers provide detailed procedures for intruding into local Mac OS X

This article uses a series of clever methods to bypass protected Mac OS X. Some of them are already under underlying control, but since they have more authentication and patching programs, we may wish to make them available so that the people who

Break through abnormal restrictions

For websites that break through the first-class information interception system, it is not easy to upload a Trojan, so it is easy to upload it, and it cannot execute commands. It is depressing .. during command elevation, the net user in the command

Insert shellcode into the interval of the PE section table

Insert shellcode into the interval of the PE section table[Cpp]// InsertShellCodeToPE. cpp: Defines the entry point for the console application.// # Include "stdafx. h"# Include  # Define FILENAME "hello.exe" // Custom shellcodeChar shellcode [] = "\

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