amizing25
116 lines
4.2 KiB
Rust
116 lines
4.2 KiB
Rust
use std::cell::OnceCell;
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use patternscan::scan_first_match;
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use windows::{
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Win32::System::{
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LibraryLoader::GetModuleHandleA,
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ProcessStatus::{GetModuleInformation, MODULEINFO},
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Threading::GetCurrentProcess,
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},
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core::s,
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};
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use crate::addr::GAME_ASSEMBLY_BASE;
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#[allow(static_mut_refs)]
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unsafe fn game_assembly_slice() -> &'static [u8] {
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static mut SLICE: OnceCell<&[u8]> = OnceCell::new();
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unsafe {
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SLICE.get_or_init(|| {
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let module = GetModuleHandleA(s!("GameAssembly.dll")).unwrap();
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let mut module_info = MODULEINFO {
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lpBaseOfDll: std::ptr::null_mut(),
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SizeOfImage: 0,
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EntryPoint: std::ptr::null_mut(),
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};
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GetModuleInformation(
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GetCurrentProcess(),
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module,
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&mut module_info,
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std::mem::size_of::<MODULEINFO>() as u32,
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)
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.unwrap();
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std::slice::from_raw_parts(
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module.0 as *const u8,
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module_info.SizeOfImage.try_into().unwrap(),
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)
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})
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}
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}
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pub unsafe fn scan_il2cpp_section(pat: &str) -> Option<usize> {
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let mut slice = unsafe { game_assembly_slice() };
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scan_first_match(&mut slice, pat).unwrap().map(|address| {
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let slice = unsafe { game_assembly_slice() };
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match slice.get(address) {
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// jmp sub_xxxxxxx
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Some(&0xE8) => {
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let offset =
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i32::from_le_bytes(slice[address + 1..address + 5].try_into().unwrap());
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GAME_ASSEMBLY_BASE.wrapping_add(address + 5 + offset as usize)
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}
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// mov rcx, [rip + offset] (0x48 0x8B 0x0D XXXXXXXX)
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Some(&0x48)
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if slice.get(address + 1) == Some(&0x8B)
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&& slice.get(address + 2) == Some(&0x0D) =>
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{
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let offset =
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i32::from_le_bytes(slice[address + 3..address + 7].try_into().unwrap());
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GAME_ASSEMBLY_BASE.wrapping_add(address + 7 + offset as usize)
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}
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_ => GAME_ASSEMBLY_BASE.wrapping_add(address),
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}
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})
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}
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// #[allow(static_mut_refs)]
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// unsafe fn unity_player_slice() -> &'static [u8] {
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// static mut SLICE: OnceCell<&[u8]> = OnceCell::new();
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// unsafe {
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// SLICE.get_or_init(|| {
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// let module = GetModuleHandleA(s!("UnityPlayer.dll")).unwrap();
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// let mut module_info = MODULEINFO {
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// lpBaseOfDll: std::ptr::null_mut(),
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// SizeOfImage: 0,
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// EntryPoint: std::ptr::null_mut(),
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// };
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// GetModuleInformation(
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// GetCurrentProcess(),
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// module,
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// &mut module_info,
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// std::mem::size_of::<MODULEINFO>() as u32,
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// )
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// .unwrap();
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// std::slice::from_raw_parts(
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// module.0 as *const u8,
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// module_info.SizeOfImage.try_into().unwrap(),
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// )
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// })
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// }
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// }
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// pub unsafe fn scan_unity_player_section(pat: &str) -> Option<usize> {
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// let mut slice = unsafe { unity_player_slice() };
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// scan_first_match(&mut slice, pat).unwrap().map(|address| {
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// let slice = unsafe { unity_player_slice() };
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// match slice.get(address) {
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// // jmp sub_xxxxxxx
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// Some(&0xE8) => {
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// let offset =
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// i32::from_le_bytes(slice[address + 1..address + 5].try_into().unwrap());
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// UNITY_PLAYER_BASE.wrapping_add(address + 5 + offset as usize)
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// }
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// // mov rcx, [rip + offset] (0x48 0x8B 0x0D XXXXXXXX)
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// Some(&0x48)
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// if slice.get(address + 1) == Some(&0x8B)
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// && slice.get(address + 2) == Some(&0x0D) =>
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// {
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// let offset =
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// i32::from_le_bytes(slice[address + 3..address + 7].try_into().unwrap());
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// UNITY_PLAYER_BASE.wrapping_add(address + 7 + offset as usize)
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// }
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// _ => UNITY_PLAYER_BASE.wrapping_add(address),
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// }
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// })
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// }
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