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arbitrary TCP and UDP connections and listens (Netcat for Python).
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bw0rth/pync
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pync - arbitrary TCP and UDP connections and listens (Netcat for Python).
Unix
pync [-46bCDdhklnruvz] [-c string] [-e filename] [-I length] [-i interval] [-O length] [-P proxyuser] [-p source_port] [-q seconds] [-s source] [-T keyword] [-w timeout] [-X proto] [-x addr[:port]] [-Y pyfile] [-y pycode] [dest] [port]
Windows
py -m pync [-46bCDdhklnruvz] [-c string] [-e filename] [-I length] [-i interval] [-O length] [-P proxyuser] [-p source_port] [-q seconds] [-s source] [-T keyword] [-w timeout] [-X proto] [-x addr[:port]] [-Y pyfile] [-y pycode] [dest] [port]
Python
importpyncargs='''[-46bCDdhklnruvz] [-c string] [-e filename] [-I length] [-i interval] [-O length] [-P proxyuser] [-p source_port] [-q seconds] [-s source] [-T keyword] [-w timeout] [-X proto] [-x addr[:port]] [-Y pyfile] [-y pycode] [dest] [port]'''pync.run(args,stdin,stdout,stderr)
Inspired by theBlack Hat Python book,the goal ofpync is to create an easy to use library thatprovidesNetcat-like functionality for Python developers.
Common uses include:
- simple TCP proxies
- python-script based HTTP clients and servers
- network daemon testing
- a SOCKS or HTTP ProxyCommand for ssh(1)
pync should work on any system withPythoninstalled (version 2.7 or higher).
Use Python's pip command to installpync straight from github:
Unix
python -m pip install https://github.com/bw0rth/pync/archive/main.zip
Windows
py -m pip install https://github.com/bw0rth/pync/archive/main.zip
- Client/Server Model
- Data Transfer
- Talking to Servers
- Port Scanning
- Remote Command Execution
- Remote Code Execution
- pync For Developers
| Option | Description |
|---|---|
| -4 | Use IPv4 addresses only |
| -6 | Use IPv6 addresses only |
| -b | Allow broadcast |
| -C | Send CRLF as line-ending |
| -c string | specify shell commands to exec after connect (use with caution). |
| -D | Enable the debug socket option |
| -d | Detach from stdin |
| -e filename | specify filename to exec after connect (use with caution). |
| -h,--help | show available options and exit. |
| -I length | TCP receive buffer length |
| -i secs | Delay interval for lines sent, ports scanned |
| -k | Keep inbound sockets open for multiple connects |
| -l | Listen mode, for inbound connects |
| -n | Suppress name/port resolutions |
| -O length | TCP send buffer length |
| -P proxy_username | Username for proxy authentication |
| -p source_port | Specify local port for remote connects |
| -q seconds | quit after EOF on stdin and delay of seconds |
| -r | Randomize remote ports |
| -s source | Local source address |
| -T toskeyword | Set IP Type of Service |
| -u | UDP mode [default: TCP] |
| -v | Verbose |
| -w secs | Timeout for connects and final net reads |
| -X proxy_protocol | Proxy protocol: "4", "5" (SOCKS) or "connect" |
| -x proxy_address[:port] | Specify proxy address and port |
| -Y pyfile | specify python file to exec after connect (use with caution). |
| -y pycode | specify python code to exec after connect (use with caution). |
| -z | Zero-I/O mode [used for scanning] |
| dest | The destination host name or ip to connect or bind to |
| port | The port number to connect or bind to |
| Example | Description |
|---|---|
| chat.py | Simple chat protocol with a custom username |
| upload.py | Simple file upload (use with caution). |
| download.py | Simple file download (use with caution). |
| echo.py | Echo client/server |
| proxy.py | Simple TCP proxy server |
| pyshell.py | Reverse or bind python interpreter shell (use with caution). |
| scan.py | Simple TCP connect port scanner |
| shell.py | Reverse or bind remote system shell (use with caution). |
| sock.py | Using sockets with pync |
UDP port scans will always succeed (i.e report the port as open), rendering the -uz combination of flagsrelatively useless.
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