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7 changed files with 12 additions and 97 deletions

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@ -3,7 +3,6 @@
use std::{sync::RwLock, time::Duration};
use lazy_static::lazy_static;
use modules::{CcpBlocker, Misc};
use windows::core::PCSTR;
use windows::Win32::System::Console;
use windows::Win32::System::SystemServices::DLL_PROCESS_ATTACH;
@ -18,22 +17,18 @@ use crate::modules::{Http, MhyContext, ModuleManager, Security};
unsafe fn thread_func() {
let base = GetModuleHandleA(PCSTR::null()).unwrap().0 as usize;
let mut module_manager = MODULE_MANAGER.write().unwrap();
// Block query_security_file ASAP
module_manager.enable(MhyContext::<CcpBlocker>::new(base));
std::thread::sleep(Duration::from_secs(14));
std::thread::sleep(Duration::from_secs(12));
util::disable_memprotect_guard();
Console::AllocConsole().unwrap();
println!("Genshin Impact encryption patch\nMade by xeondev\nTo work with sakura-rs: git.xeondev.com/sakura-rs/sakura-rs");
println!("Genshin Impact encryption patch\nMade by xeondev\nTo work with MualaniImpact: git.xeondev.com/reversedrooms/MualaniImpact");
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!");
}
@ -43,7 +38,6 @@ lazy_static! {
}
#[no_mangle]
#[allow(non_snake_case)]
unsafe extern "system" fn DllMain(_: HINSTANCE, call_reason: u32, _: *mut ()) -> bool {
if call_reason == DLL_PROCESS_ATTACH {
std::thread::spawn(|| thread_func());

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@ -2,7 +2,7 @@ use std::ffi::CStr;
use windows::{core::PCSTR, Win32::System::LibraryLoader::GetModuleHandleA};
const PTR_TO_STRING_ANSI: usize = 0xF85E020;
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 {

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@ -1,38 +0,0 @@
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).to_string_lossy();
if host == "dispatchosglobal.yuanshen.com" || host == "dispatchcnglobal.yuanshen.com" {
std::ptr::copy_nonoverlapping(c"0.0.0.0".as_ptr(), (*reg).rcx as *mut i8, 9);
}
}

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@ -5,8 +5,8 @@ use crate::marshal;
use anyhow::Result;
use ilhook::x64::Registers;
const WEB_REQUEST_UTILS_MAKE_INITIAL_URL: usize = 0x10421E00;
const BROWSER_LOAD_URL: usize = 0x10222B20;
const WEB_REQUEST_UTILS_MAKE_INITIAL_URL: usize = 0xFFDA8B0;
const BROWSER_LOAD_URL: usize = 0xFE06E40;
pub struct Http;
@ -48,11 +48,9 @@ unsafe extern "win64" fn on_make_initial_url(reg: *mut Registers, _: usize) {
new_url.push_str(s);
});
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;
}
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) {

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@ -1,33 +0,0 @@
use super::{MhyContext, MhyModule, ModuleType};
use anyhow::Result;
use ilhook::x64::Registers;
pub struct Misc;
const SET_CUSTOM_PROPERTY_FLOAT: usize = 0x12199F0;
impl MhyModule for MhyContext<Misc> {
unsafe fn init(&mut self) -> Result<()> {
// 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 set_custom_property_float_replacement(
_: *mut Registers,
_: usize,
_: usize,
) -> usize {
0
}

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@ -4,14 +4,10 @@ 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)]
@ -42,8 +38,6 @@ impl ModuleManager {
pub enum ModuleType {
Http,
Security,
Misc,
CcpBlocker,
}
pub trait MhyModule {

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@ -6,9 +6,9 @@ use super::{MhyContext, MhyModule, ModuleType};
use anyhow::Result;
use ilhook::x64::Registers;
const MHYRSA_PERFORM_CRYPTO_ACTION: usize = 0x95ED88;
const KEY_SIGN_CHECK: usize = 0x960C7C;
const SDK_UTIL_RSA_ENCRYPT: usize = 0xFC0CC30;
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");