Compare commits

...

3 commits

Author SHA1 Message Date
458b3d75f5 Block query_security_file
Fixed 'the client is damaged' error popup, which appeared due to remote anticheat config update from hoyo
2024-08-31 11:10:50 +03:00
38e0c1d28f CNCB5.0.50 sound fix and censorship patch 2024-08-30 17:43:14 +03:00
4603f68722 CNCB5.0.50 support 2024-08-30 01:30:44 +03:00
9 changed files with 121 additions and 27 deletions

View file

@ -4,7 +4,7 @@ version = "0.1.0"
edition = "2021"
[lib]
name = "version"
name = "ext"
crate-type = ["cdylib"]
[dependencies]

View file

@ -3,10 +3,11 @@
use std::{sync::RwLock, time::Duration};
use lazy_static::lazy_static;
use util::try_get_base_address;
use windows::Win32::Foundation::HINSTANCE;
use modules::{CcpBlocker, Misc};
use windows::core::PCSTR;
use windows::Win32::System::Console;
use windows::Win32::System::SystemServices::DLL_PROCESS_ATTACH;
use windows::Win32::{Foundation::HINSTANCE, System::LibraryLoader::GetModuleHandleA};
mod interceptor;
mod marshal;
@ -16,19 +17,23 @@ mod util;
use crate::modules::{Http, MhyContext, ModuleManager, Security};
unsafe fn thread_func() {
let base = try_get_base_address("GenshinImpact.exe").unwrap();
let base = GetModuleHandleA(PCSTR::null()).unwrap().0 as usize;
let mut module_manager = MODULE_MANAGER.write().unwrap();
std::thread::sleep(Duration::from_secs(12));
// Block query_security_file ASAP
module_manager.enable(MhyContext::<CcpBlocker>::new(base));
std::thread::sleep(Duration::from_secs(14));
util::disable_memprotect_guard();
Console::AllocConsole().unwrap();
println!("Genshin Impact encryption patch\nMade by xeondev\nTo work with MualaniImpact: git.xeondev.com/reversedrooms/MualaniImpact");
println!("Genshin Impact encryption patch\nMade by xeondev\nTo work with XilonenImpact: git.xeondev.com/reversedrooms/XilonenImpact");
println!("Base: {:X}", base);
let mut module_manager = MODULE_MANAGER.write().unwrap();
module_manager.enable(MhyContext::<Http>::new(base));
module_manager.enable(MhyContext::<Security>::new(base));
module_manager.enable(MhyContext::<Misc>::new(base));
println!("Successfully initialized!");
}

View file

@ -1,8 +1,8 @@
use std::ffi::CStr;
use crate::util;
use windows::{core::PCSTR, Win32::System::LibraryLoader::GetModuleHandleA};
const PTR_TO_STRING_ANSI: usize = 0x103CBB00;
const PTR_TO_STRING_ANSI: usize = 0xF33F640;
type MarshalPtrToStringAnsi = unsafe extern "fastcall" fn(*const u8) -> *const u8;
pub unsafe fn ptr_to_string_ansi(content: &CStr) -> *const u8 {
@ -11,5 +11,5 @@ pub unsafe fn ptr_to_string_ansi(content: &CStr) -> *const u8 {
}
unsafe fn base() -> usize {
util::try_get_base_address("GenshinImpact.exe").unwrap()
GetModuleHandleA(PCSTR::null()).unwrap().0 as usize
}

View file

@ -0,0 +1,38 @@
use std::ffi::CStr;
use super::{MhyContext, MhyModule, ModuleType};
use anyhow::Result;
use ilhook::x64::Registers;
use windows::{
core::s,
Win32::System::LibraryLoader::{GetModuleHandleA, GetProcAddress},
};
pub struct CcpBlocker;
impl MhyModule for MhyContext<CcpBlocker> {
unsafe fn init(&mut self) -> Result<()> {
let winsock2 = GetModuleHandleA(s!("Ws2_32.dll")).unwrap();
let getaddrinfo = GetProcAddress(winsock2, s!("getaddrinfo")).unwrap();
self.interceptor
.attach(getaddrinfo as usize, on_getaddrinfo)
}
unsafe fn de_init(&mut self) -> Result<()> {
Ok(())
}
fn get_module_type(&self) -> super::ModuleType {
ModuleType::CcpBlocker
}
}
unsafe extern "win64" fn on_getaddrinfo(reg: *mut Registers, _: usize) {
let host_ptr = (*reg).rcx as *const i8;
let host = CStr::from_ptr(host_ptr);
if host.to_string_lossy() == "dispatchcnglobal.yuanshen.com" {
std::ptr::copy_nonoverlapping(c"0.0.0.0".as_ptr(), (*reg).rcx as *mut i8, 9);
}
}

View file

@ -5,8 +5,8 @@ use crate::marshal;
use anyhow::Result;
use ilhook::x64::Registers;
const WEB_REQUEST_UTILS_MAKE_INITIAL_URL: usize = 0x110107A0;
const BROWSER_LOAD_URL: usize = 0x10E55670;
const WEB_REQUEST_UTILS_MAKE_INITIAL_URL: usize = 0xFFDA8B0;
const BROWSER_LOAD_URL: usize = 0xFE06E40;
pub struct Http;
@ -48,9 +48,11 @@ unsafe extern "win64" fn on_make_initial_url(reg: *mut Registers, _: usize) {
new_url.push_str(s);
});
println!("Redirect: {url} -> {new_url}");
(*reg).rcx =
marshal::ptr_to_string_ansi(CString::new(new_url.as_str()).unwrap().as_c_str()) as u64;
if !url.contains("/query_cur_region") {
println!("Redirect: {url} -> {new_url}");
(*reg).rcx =
marshal::ptr_to_string_ansi(CString::new(new_url.as_str()).unwrap().as_c_str()) as u64;
}
}
unsafe extern "win64" fn on_browser_load_url(reg: *mut Registers, _: usize) {

52
src/modules/misc.rs Normal file
View file

@ -0,0 +1,52 @@
use std::ffi::CStr;
use super::{MhyContext, MhyModule, ModuleType};
use anyhow::Result;
use ilhook::x64::Registers;
use windows::{core::PCSTR, Win32::System::LibraryLoader::GetModuleHandleA};
pub struct Misc;
const DYNAMIC_IMPORT: usize = 0x3F5240;
const SET_CUSTOM_PROPERTY_FLOAT: usize = 0x11E1880;
impl MhyModule for MhyContext<Misc> {
unsafe fn init(&mut self) -> Result<()> {
// CNCBWin5.0.50 sound fix
self.interceptor
.attach(self.assembly_base + DYNAMIC_IMPORT, on_dynamic_import)?;
// Dither
self.interceptor.replace(
self.assembly_base + SET_CUSTOM_PROPERTY_FLOAT,
set_custom_property_float_replacement,
)
}
unsafe fn de_init(&mut self) -> Result<()> {
Ok(())
}
fn get_module_type(&self) -> super::ModuleType {
ModuleType::Misc
}
}
unsafe extern "win64" fn on_dynamic_import(reg: *mut Registers, _: usize) {
let symbol_name_ptr = *((*reg).rcx.wrapping_add(16) as *const usize);
let symbol_name = CStr::from_ptr(symbol_name_ptr as *const i8);
// Hoyo forgot to package updated sound library and that's the missing export
if symbol_name.to_string_lossy() == "GetMusicSyncCallbackInfoPlayingSeq" {
let base = GetModuleHandleA(PCSTR::null()).unwrap().0 as usize;
*((*reg).rcx.wrapping_add(16) as *mut usize) = base + 0x2F6CD04;
}
}
unsafe extern "win64" fn set_custom_property_float_replacement(
_: *mut Registers,
_: usize,
_: usize,
) -> usize {
0
}

View file

@ -4,10 +4,14 @@ use anyhow::Result;
use crate::interceptor::Interceptor;
mod ccp_blocker;
mod http;
mod misc;
mod security;
pub use ccp_blocker::CcpBlocker;
pub use http::Http;
pub use misc::Misc;
pub use security::Security;
#[derive(Default)]
@ -38,6 +42,8 @@ impl ModuleManager {
pub enum ModuleType {
Http,
Security,
Misc,
CcpBlocker,
}
pub trait MhyModule {

View file

@ -6,9 +6,9 @@ use super::{MhyContext, MhyModule, ModuleType};
use anyhow::Result;
use ilhook::x64::Registers;
const MHYRSA_PERFORM_CRYPTO_ACTION: usize = 0xC37F9B;
const KEY_SIGN_CHECK: usize = 0xC3C42D;
const SDK_UTIL_RSA_ENCRYPT: usize = 0x1088E510;
const MHYRSA_PERFORM_CRYPTO_ACTION: usize = 0x9DD5C8;
const KEY_SIGN_CHECK: usize = 0x9DF4BC;
const SDK_UTIL_RSA_ENCRYPT: usize = 0xF7A73C0;
const KEY_SIZE: usize = 268;
static SERVER_PUBLIC_KEY: &[u8] = include_bytes!("../../server_public_key.bin");

View file

@ -10,15 +10,6 @@ pub fn wide_str(value: &str) -> Vec<u16> {
OsStr::new(value).encode_wide().chain(once(0)).collect()
}
pub unsafe fn try_get_base_address(module_name: &str) -> Option<usize> {
let w_module_name = wide_str(module_name);
match GetModuleHandleW(PCWSTR::from_raw(w_module_name.as_ptr())) {
Ok(module) => Some(module.0 as usize),
Err(_) => None
}
}
// VMProtect hooks NtProtectVirtualMemory to prevent changing protection of executable segments
// We use this trick to remove hook
pub unsafe fn disable_memprotect_guard() {