Update unity.js

This commit is contained in:
iddoeldor 2018-07-26 20:57:13 +03:00 committed by GitHub
parent 8d43149bfc
commit 4f6118d70b
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23

View File

@ -75,6 +75,286 @@ function hookUploadCallback() {
} }
function traceClass(targetClass) {
var hook = Java.use(targetClass);
var methods = hook.class.getDeclaredMethods();
hook.$dispose;
var parsedMethods = [];
methods.forEach(function(method) {
parsedMethods.push(method.toString().replace(targetClass + ".", "TOKEN").match(/\sTOKEN(.*)\(/)[1]);
});
var targets = uniqBy(parsedMethods, JSON.stringify);
targets.forEach(function(targetMethod) {
traceMethod(targetClass + "." + targetMethod);
});
}
function traceMethod(targetClassMethod) {
var delim = targetClassMethod.lastIndexOf(".");
if (delim === -1) return;
var targetClass = targetClassMethod.slice(0, delim)
var targetMethod = targetClassMethod.slice(delim + 1, targetClassMethod.length)
var hook = Java.use(targetClass);
var overloadCount = hook[targetMethod].overloads.length;
console.log("Tracing " + targetClassMethod + " [" + overloadCount + " overload(s)]");
for (var i = 0; i < overloadCount; i++) {
hook[targetMethod].overloads[i].implementation = function() {
console.warn("\n*** entered " + targetClassMethod);
// print backtrace
// Java.perform(function() {
// var bt = Java.use("android.util.Log").getStackTraceString(Java.use("java.lang.Exception").$new());
// console.log("\nBacktrace:\n" + bt);
// });
// print args
if (arguments.length) console.log();
for (var j = 0; j < arguments.length; j++) {
console.log("arg[" + j + "]: " + arguments[j]);
}
// print retval
var retval = this[targetMethod].apply(this, arguments); // rare crash (Frida bug?)
console.log("\nretval: " + retval);
console.warn("\n*** exiting " + targetClassMethod);
return retval;
}
}
}
function uniqBy(array, key) { // remove duplicates from array
var seen = {};
return array.filter(function(item) {
var k = key(item);
return seen.hasOwnProperty(k) ? false : (seen[k] = true);
});
}
function trace(pattern)
{
var type = (pattern.toString().indexOf("!") === -1) ? "java" : "module";
if (type === "module") {
// trace Module
var res = new ApiResolver("module");
var matches = res.enumerateMatchesSync(pattern);
var targets = uniqBy(matches, JSON.stringify);
targets.forEach(function(target) {
traceModule(target.address, target.name);
});
} else if (type === "java") {
// trace Java Class
var found = false;
Java.enumerateLoadedClasses({
onMatch: function(aClass) {
if (aClass.match(pattern)) {
found = true;
var className = aClass.match(/[L](.*);/)[1].replace(/\//g, ".");
traceClass(className);
}
},
onComplete: function() {}
});
// trace Java Method
if (!found) {
try {
traceMethod(pattern);
}
catch(err) { // catch non existing classes/methods
console.error(err);
}
}
}
}
function traceModule(impl, name)
{
console.log("Tracing " + name);
Interceptor.attach(impl, {
onEnter: function(args) {
// debug only the intended calls
this.flag = false;
// var filename = Memory.readCString(ptr(args[0]));
// if (filename.indexOf("XYZ") === -1 && filename.indexOf("ZYX") === -1) // exclusion list
// if (filename.indexOf("my.interesting.file") !== -1) // inclusion list
this.flag = true;
if (this.flag) {
console.warn("\n*** entered " + name);
// print backtrace
console.log("\nBacktrace:\n" + Thread.backtrace(this.context, Backtracer.ACCURATE)
.map(DebugSymbol.fromAddress).join("\n"));
}
},
onLeave: function(retval) {
if (this.flag) {
// print retval
console.log("\nretval: " + retval);
console.warn("\n*** exiting " + name);
}
}
});
}
// Main
Java.perform(function() {
try {
// hookInputStream();
// hookOutputStream();
// hookConstructor();
// hookUploadCallback();
// https://blogs.unity3d.com/2014/06/11/all-about-the-unity-networking-transport-layer/
// traceClass('com.unity3d.player.WWW');
// trace("exports:*!*send*"); // Tracing /system/lib/libnetutils.so!send_packet
// trace("exports:*!*packet*");
/*
Tracing /system/lib/libnetutils.so!send_packet
Tracing /system/lib/libnetutils.so!receive_packet
// but no logs
*/
// Interceptor.attach(Module.findExportByName('/system/lib/libnetutils.so', 'send_packet'), {
// onEnter: function(args) {
// console.log('send_packet', args[0]);
// },
// onLeave: function(retval) {
// }
// });
} catch (e) {
console.error(e);
}
});
function binary2hex2ascii(array, readBytesNum) {
var result = [];
// performance wise to read 100 bytes
readBytesNum = readBytesNum || 100;
for (var i = 0; i < readBytesNum; ++i) {
// TODO fix unicode for Hebrew and Math related symbols
// * (double) doesn't work, but + (plus) works
result.push(String.fromCharCode(
parseInt(
('0' + (array[i] & 0xFF).toString(16) ).slice(-2), // binary2hex part
16
)
));
}
// TODO extract facebookID from previous_winners packet, #OSINT ?
return result.join('');
}
function hookInputStream() {
Java.use('java.io.InputStream').read.overload('[B').implementation = function(b) {
var retval = this.read(b);
var resp = binary2hex2ascii(b);
// conditions to not print garbage packets
if (
resp.indexOf('isBot') == -1
&& resp.indexOf(' Answer') == -1
&& resp.indexOf('Pinged') == -1
) {
console.log( resp );
}
if (resp.indexOf('Waiting To Show Question') != -1) {
console.log("\n\n\t{{ " + binary2hex2ascii( b , 1200) + " }}\n\n");
}
// TODO mimic answer packet (hook OutputStream), send to get back the answer
return retval;
};
}
function hookOutputStream() {
var bClass = Java.use("java.io.OutputStream");
bClass.write.overload('int').implementation = function(x) {
console.log("[1] " + x);
return this.write(x);
}
bClass.write.overload('[B').implementation = function(b) {
console.log("[2] " + binary2hex2ascii(b) );
return this.write(b);
}
bClass.write.overload('[B','int','int').implementation = function(b,y,z) {
console.log("[3] " + binary2hex2ascii(b));
return this.write(b,y,z);
}
}
function hookConstructor() {
var Map = Java.use('java.util.Map');
Java.use('com.unity3d.player.UnityWebRequest').$init
.overload('long', 'java.lang.String', 'java.util.Map', 'java.lang.String', 'int').implementation = function(long1, str2, map3, str4, int5) {
console.log(this, JSON.stringify({
'#1': long1,
method: str2,
headers: Java.cast(map3, Map).toString(),
url: str4,
'#5': int5
}, null, 2));
this.$init(long1, str2, map3, str4, int5);
};
}
function hookUploadCallback() {
Java.use('com.unity3d.player.UnityWebRequest').uploadCallback.overload('java.nio.ByteBuffer').implementation = function(buf1) {
console.log('uploadCallback', buf1);
this.uploadCallback(buf1);
};
}
function traceClass(targetClass) { function traceClass(targetClass) {
var hook = Java.use(targetClass); var hook = Java.use(targetClass);
var methods = hook.class.getDeclaredMethods(); var methods = hook.class.getDeclaredMethods();