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definitions at https://doc.rust-lang.org/cargo/reference/manifest.html + +[dependencies] +atty = "0.2.14" +clap = { version = "4.3.11", features = ["derive"] } +pnet = "0.33.0" diff --git a/LICENSE.txt b/LICENSE.txt new file mode 100644 index 0000000..c801c64 --- /dev/null +++ b/LICENSE.txt @@ -0,0 +1,23 @@ +MIT License + +Copyright (c) 2023 Justine PELLETREAU + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in all +copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE +SOFTWARE. + + diff --git a/README.md b/README.md new file mode 100644 index 0000000..47a0e74 --- /dev/null +++ b/README.md @@ -0,0 +1,40 @@ +# Portnut + +Portnut is a tcp port scanner / stresser. + +The scanning function simply tries to connect to the tcp ports given. +The stressing function sends a payload every 10 milliseconds, to every ports given at the same time. The payload can be passed via a pipe (optionnal). + +``` +1637 justine@portnut > target/release/portnut -a 127.0.0.1 -w 3 -p 8080,22 +Scanning 127.0.0.1 +TCP/8080 => REJECT +TCP/22 => REJECT + +#First scan the ports, and stress the available ones. +justine@portnut > echo "My payload" | target/release/portnut -a 127.0.0.1 -p 22,8080 -w 3 -s +Scanning 127.0.0.1 +TCP/22 => REJECT +Scanning 127.0.0.1 +TCP/8080 => ACCEPT + +Stressing... + +``` + +See the help : +``` +1648 justine@portnut > target/release/portnut -h +A simple TCP port scanner / stresser. If stressing, you can pass a payload via a pipe + +Usage: portnut [OPTIONS] --address
+ +Options: + -a, --address
IP address to scan + -t, --timeout Timeout for each connection in seconds [default: 1] + -w, --wait Number of milliseconds to wait in between scans when scanning OR duration of stress when stress testing (in seconds) [default: 30] + -p, --ports ... Ports to stress / scan, separated by commas (22,80) + -s, --stress Set this flag to stress the ports instead of scanning them + -h, --help Print help + -V, --version Print version +``` diff --git a/src/main.rs b/src/main.rs new file mode 100644 index 0000000..eb6f7c2 --- /dev/null +++ b/src/main.rs @@ -0,0 +1,119 @@ +use clap::Parser; +use std::io::prelude::*; +use std::io::{self, Read}; +use std::net::{SocketAddr, TcpStream}; +use std::time::{Duration, Instant}; +use std::thread; +use atty::Stream; + + +fn main() -> std::io::Result<()> { + let args = Args::parse(); + let address = args.address; + let timeout = Duration::from_secs(args.timeout); + let sleep = Duration::from_millis(args.wait); + let ports = args.ports; + + //Reading the payload from stdin (if applicable) + let mut payload = String::new(); + let aatty = atty::is(Stream::Stdin); + + if !aatty { + io::stdin().read_to_string(&mut payload)?; + } else { + payload = "SAKAMOTO".to_string(); + } + + if args.stress { + tcp_stress(payload, address, timeout, sleep, ports)?; + } else { + tcp_scan(address, timeout, sleep, ports)?; + } + Ok(()) + +} + +///Scan the ports on address by attempting a tcp connection. +fn tcp_scan(address: String, timeout: Duration, sleep: Duration, ports: Vec) -> std::io::Result<()> { + println!("Scanning {}", address); + + for i in ports { + let socket = format!("{}:{}", &address, i); + let socket = socket.parse::().unwrap(); + match TcpStream::connect_timeout(&socket, timeout) { + Ok(mut s) => { + println!("TCP/{} => ACCEPT", i); + s.write(b"Some padding")?; + } + Err(_) => { + println!("TCP/{} => REJECT", i); + } + } + + thread::sleep(sleep.clone()); + //stream.write(b"Some great padding")?; + //stream.read(&mut [0; 128])?; + } + Ok(()) +} + +///Try to stress the remote machine by attempting to every given port at once and sending random +///data +fn tcp_stress(payload: String, address: String, timeout: Duration, interval: Duration, ports: Vec) -> std::io::Result<()> { + let mut handles = vec![]; + + for port in ports { + tcp_scan(address.clone(), timeout, interval, vec![port])?; + let add = address.clone(); + let pay = payload.clone(); + let int = interval * 1000; + let end_time = Instant::now() + int; + + + handles.push(thread::spawn( move || { + let socket = format!("{}:{}", &add, &port); + let socket = socket.parse::().unwrap(); + loop { + //Check if it is time to stop + if Instant::now() >= end_time { break; } + match TcpStream::connect_timeout(&socket, timeout) { + Ok(mut s) => { + s.write(pay.as_bytes()).unwrap(); + s.flush().unwrap(); + //s.read(&mut [0; 128]).unwrap(); + thread::sleep(Duration::from_millis(10)); + }, + Err(_) => (), + } + } + })); + } + println!("\nStressing...\n"); + for handle in handles { + let _ = handle.join(); + } + Ok(()) +} + +///A simple TCP port scanner / stresser. +///If stressing, you can pass a payload via a pipe. +#[derive(Debug, Parser)] +#[command(author, version, about, long_about = None)] +struct Args { + ///IP address to scan + #[arg(short, long)] + address: String, + ///Timeout for each connection in seconds + #[arg(short, long, default_value_t = 1)] + timeout: u64, + ///Number of milliseconds to wait in between scans when scanning + ///OR duration of stress when stress testing (in seconds) + #[arg(short, long, default_value_t = 30)] + wait: u64, + ///Ports to stress / scan, separated by commas (22,80) + #[arg(short, long, value_parser, num_args=1.., value_delimiter=',')] + ports: Vec, + ///Set this flag to stress the ports instead of scanning them + #[arg(long, short, action, default_value_t = false)] + stress: bool, +}