Added frida hooks

This commit is contained in:
BillyCool
2024-07-22 21:58:20 +10:00
parent 4f2e79de47
commit 23c5cbeba4

248
frida/hooks.js Normal file
View File

@@ -0,0 +1,248 @@
//#region Hooking
let libil2cpp;
let lastEnterLog = "", lastLeaveLog = "";
let lastEnterLogCount = 0, lastLeaveLogCount = 0;
const deduplicateLogs = true;
function awaitLibil2cpp(callback) {
libil2cpp = Module.findBaseAddress('libil2cpp.so');
if (libil2cpp) {
console.log('libil2cpp.so loaded:', libil2cpp);
callback();
}
else {
setTimeout(() => awaitLibil2cpp(callback), 100);
}
};
function onEnterLogWrapper(caller, log, debug = false) {
var log = !log
? `-> ${new Date().toLocaleTimeString()} > ${caller}`
: `-> ${new Date().toLocaleTimeString()} > ${caller}: ${log}`;
console.log(log);
if (debug) {
console.log(Thread.backtrace(this.context, Backtracer.ACCURATE)
.map(DebugSymbol.fromAddress).join('\n') + '\n');
}
}
function onLeaveLogWrapper(caller, log, debug = false) {
var log = !log
? `<- ${new Date().toLocaleTimeString()} > ${caller}`
: `<- ${new Date().toLocaleTimeString()} > ${caller}: ${log}`;
console.log(log);
if (debug) {
console.log(Thread.backtrace(this.context, Backtracer.ACCURATE)
.map(DebugSymbol.fromAddress).join('\n') + '\n');
}
}
function interceptLogWrapper(caller, log, debug = false) {
var log = !log
? `<-> ${new Date().toLocaleTimeString()} > ${caller}`
: `<-> ${new Date().toLocaleTimeString()} > ${caller}: ${log}`;
console.log(log);
if (debug) {
console.log(Thread.backtrace(this.context, Backtracer.ACCURATE)
.map(DebugSymbol.fromAddress).join('\n') + '\n');
}
}
function callbackWrapper(callback, offset, debug = false) {
const hexString = '0x' + offset.toString(16).toUpperCase();
console.log(`Hooking ${callback.name}() at offset ${hexString}`);
callback(offset, debug);
}
function genericEnterHook(name, offset, debug = false) {
const func_ptr = libil2cpp.add(offset);
Interceptor.attach(func_ptr, {
onEnter(args) {
if (lastEnterLog == name && deduplicateLogs) {
lastEnterLogCount++;
}
else {
if (lastEnterLogCount > 1) {
onLeaveLogWrapper(lastEnterLog, `(x${lastEnterLogCount})`, debug);
}
lastEnterLogCount = 0;
lastEnterLog = name;
onEnterLogWrapper(name, null, debug);
}
},
});
}
function genericLeaveHook(name, offset, debug = false) {
const func_ptr = libil2cpp.add(offset);
Interceptor.attach(func_ptr, {
onLeave(result) {
if (lastLeaveLog == name && deduplicateLogs) {
lastLeaveLogCount++;
}
else {
if (lastLeaveLogCount > 1) {
onLeaveLogWrapper(lastLeaveLog, `(x${lastLeaveLogCount})`, debug);
}
lastLeaveLogCount = 0;
lastLeaveLog = name;
onLeaveLogWrapper(name, null, debug);
}
},
});
}
function genericEnterLeaveHook(name, offset, debug = false) {
const func_ptr = libil2cpp.add(offset);
Interceptor.attach(func_ptr, {
onEnter(args) {
if (lastEnterLog == name && deduplicateLogs) {
lastEnterLogCount++;
}
else {
if (lastEnterLogCount > 1) {
onLeaveLogWrapper(lastEnterLog, `(x${lastEnterLogCount})`, debug);
}
lastEnterLogCount = 0;
lastEnterLog = name;
onEnterLogWrapper(name, null, debug);
}
},
onLeave(result) {
if (lastLeaveLog == name && deduplicateLogs) {
lastLeaveLogCount++;
}
else {
if (lastLeaveLogCount > 1) {
onLeaveLogWrapper(lastLeaveLog, `(x${lastLeaveLogCount})`, debug);
}
lastLeaveLogCount = 0;
lastLeaveLog = name;
onLeaveLogWrapper(name, null, debug);
}
},
});
}
function writeString(addr, text) {
addr.add(0x10).writeInt(text.length);
addr.add(0x14).writeUtf16String(text);
}
//#endregion
// #region Private Server
function DarkOctoSetupper_GetE(offset) {
const func_ptr = libil2cpp.add(offset);
Interceptor.attach(func_ptr, {
onLeave(result) {
writeString(result, `https://${SERVER_ADDRESS}/`)
}
});
}
function Config_Api_MakeMasterDataUrl(offset) {
const func_ptr = libil2cpp.add(offset);
Interceptor.attach(func_ptr, {
onLeave(result) {
writeString(result, `https://${SERVER_ADDRESS}/`)
onLeaveLogWrapper(DarkOctoSetupper_GetE.name, result.add(0x14).readUtf16String());
}
});
}
function ChannelProvider_Setup(offset) {
const func_ptr = libil2cpp.add(offset);
Interceptor.attach(func_ptr, {
onEnter(args) {
writeString(args[0], `${SERVER_ADDRESS}:443`);
onEnterLogWrapper(ChannelProvider_Setup.name, args[0].add(0x14).readUtf16String());
}
});
}
function OctoAPI_CreateUrl(offset) {
const func_ptr = libil2cpp.add(offset);
Interceptor.attach(func_ptr, {
onLeave(result) {
onLeaveLogWrapper(OctoAPI_CreateUrl.name, result.add(0x14).readUtf16String());
}
});
}
function HandleNet_Encrypt(offset) {
const func_ptr = libil2cpp.add(offset);
Interceptor.attach(func_ptr, {
onEnter(args) {
this.input = args[1];
},
onLeave(result) {
result.replace(this.input);
}
});
}
function HandleNet_Decrypt(offset) {
var func_ptr = libil2cpp.add(offset);
var func = new NativeFunction(libil2cpp.add(0x279410C), 'pointer', ['pointer']);
Interceptor.replace(func_ptr, new NativeCallback((_arg1) => {
return func(_arg1); // Can't return _arg1 for some reason
}, 'pointer', ['pointer']));
}
function LocalizeText_GetWordOrDefault(offset) {
let matchDic = {
'© SQUARE ENIX Developed by Applibot, Inc.': '© Marie\'s Wonderland',
'Ver. {0}': 'Ver. 0.0.1',
'Basic play for this game is free, but a portion of items are available for purchase.': 'Escaping to another branch to dodge EoS',
'To underage players:': 'To all prayers:'
};
let containsDic = {
'consult your parent or guardian': 'You are now entering Marie\'s Wonderland'
};
const func_ptr = libil2cpp.add(offset);
Interceptor.attach(func_ptr, {
onLeave(result) {
var text = result.add(0x14).readUtf16String();
//onLeaveLogWrapper(LocalizeText_GetWordOrDefault.name, text);
if (text in matchDic) {
writeString(result, matchDic[text]);
}
else {
for (let key in containsDic) {
if (text.includes(key)) {
writeString(result, containsDic[key]);
break;
}
}
}
}
});
}
//#endregion
const SERVER_ADDRESS = 'humbly-tops-calf.ngrok-free.app';
awaitLibil2cpp(() => {
callbackWrapper(LocalizeText_GetWordOrDefault, 0x2ACE4D8); // Text replacements
callbackWrapper(DarkOctoSetupper_GetE, 0x3638FC0);
callbackWrapper(Config_Api_MakeMasterDataUrl, 0x2E5B114); // Master db URL
callbackWrapper(ChannelProvider_Setup, 0x35C3C9C); // GRPC server URL
callbackWrapper(OctoAPI_CreateUrl, 0x4C2723C);
callbackWrapper(HandleNet_Encrypt, 0x279410C); // Bypass GRPC encryption
callbackWrapper(HandleNet_Decrypt, 0x279420C); // Bypass GRPC decryption
});
// frida -Uf com.square_enix.android_googleplay.nierspww -l "path\to\hooks.js"