feat: add cheat and target

Author: not-matthias

Cargo.lock

@@ -8,3 +8,5 @@ edition = "2021"
 [dependencies]
 env_logger = "0.10.0"
 log = "0.4.17"
+
+hax = { git = "https://github.com/hax-rs/hax" }

example/cheat/Cargo.toml

@@ -1,3 +1,46 @@
+use hax::ExternalMemory;
+use hax::memlib::MemoryReadExt;
+use env_logger::Env;
+
+fn test_simple(mem: ExternalMemory) {
+    // &value
+    //
+    let ref_value = 0x7ffc57418314_u64;
+    let health = mem.read::<u32>(ref_value);
+
+    log::info!("&value ({:x}) is pointing to {}", ref_value, health);
+
+    // &&value
+    //
+    let ref_ref_value = 0x7ffc57418450;
+
+    let value = mem.read::<u64>(ref_ref_value);
+    log::info!("&&value ({:x}) is pointing to {:x}", ref_value, value);
+
+    let health = mem.read::<u32>(value as u64);
+    log::info!("&value ({:x}) is pointing to {:x}", value, health);
+}
+
+fn test_struct(mem: ExternalMemory) {
+    let struct_ptr = 0x7ffd93a2ba40; // &value
+    let value = mem.read::<u32>(struct_ptr);
+
+    log::info!("struct_ptr ({:x}) is pointing to {}", struct_ptr, value);
+
+    let armor = mem.read::<u32>(struct_ptr + 4);
+    let money = mem.read::<u32>(struct_ptr + 8);
+
+    log::info!("armor: {}", armor);
+    log::info!("money: {}", money);
+}
+
+
 fn main() {
-    println!("Hello, world!");
+    env_logger::Builder::from_env(Env::default().default_filter_or("info")).init();
+
+    let pid = 1270336;
+    let mem = ExternalMemory::new(pid);
+
+    // test_simple(mem);
+    test_struct(mem);
 }

example/cheat/src/main.rs

@@ -8,3 +8,4 @@ edition = "2021"
 [dependencies]
 env_logger = "0.10.0"
 log = "0.4.17"
+memoffset = "0.8.0"

example/target/Cargo.toml

@@ -1,15 +1,59 @@
 use env_logger::Env;
+use memoffset::offset_of;
+
+#[derive(Debug, Copy, Clone)]
+struct Player {
+    health: u32,
+    armor: u32,
+    money: u32
+}
+
+impl Player {
+    pub fn new() -> Self {
+        Self {
+            health: 100,
+            armor: 200,
+            money: 1000
+        }
+    }
+}
 
 fn main() {
     env_logger::Builder::from_env(Env::default().default_filter_or("info")).init();
 
     log::info!("Example Target Application");
+    log::info!("Pid: {}", std::process::id());
 
-    let health = 42;
+    let health: u32 = 42;
+    let player = Player::new();
     loop {
-        log::info!("Value: {}", health);
-        log::info!("&value: {:p}", &health);
-        log::info!("&&value: {:p}", &&health);
+        log::info!("health: {}", health);
+        log::info!("&health: {:p}", &health);
+        log::info!("&&health: {:p}", &&health);
+        println!();
+
+        log::info!("player: {:?}", player);
+        log::info!("&player: {:p}", &player);
+        log::info!("&&player: {:p}", &&player);
+        println!();
+
+        log::info!("player.health: {}", player.health);
+        log::info!("&player.health: {:p}", &player.health);
+        log::info!("offset: {:x}", offset_of!(Player, health));
+        println!();
+
+        log::info!("player.armor: {}", player.armor);
+        log::info!("&player.armor: {:p}", &player.armor);
+        log::info!("offset: {:x}", offset_of!(Player, armor));
+        println!();
+
+        log::info!("player.money: {}", player.money);
+        log::info!("&player.money: {:p}", &player.money);
+        log::info!("offset: {:x}", offset_of!(Player, money));
+        println!();
+
+
+
 
         // Wait for user input
         //

example/target/src/main.rs

@@ -29,6 +29,8 @@ marp: true
 - [IDA Free](https://hex-rays.com/ida-free/)
 - [Rust](https://rustup.rs/)
 - [VSCode](https://code.visualstudio.com/download) with Rust Analyzer extension
+- [Cheat Engine](https://www.cheatengine.org/) (Windows)
+- [Scanmem](https://github.com/scanmem/scanmem) (Linux)
 
 
 ---