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android_get_backup_key.js
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android_get_backup_key.js
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const module_name = "libmsgbackup.so"
function hook(){
function buf2hex(buffer) {
const byteArray = new Uint8Array(buffer);
const hexParts = [];
for(let i = 0; i < byteArray.length; i++) {
const hex = byteArray[i].toString(16);
const paddedHex = ('00' + hex).slice(-2);
hexParts.push(paddedHex);
}
return '0x' + hexParts.join(', 0x');
}
function buf2str(buffer) {
let result = "";
const byteArray = new Uint8Array(buffer);
for (let i = 0; i < byteArray.length; i++) {
result += String.fromCharCode(byteArray[i] + ")");
}
return result;
}
function hex2str(hex) {
let str = '';
for (let i = 0; i < hex.length; i += 2) {
let charCode = parseInt(hex.substr(i, 2), 16);
str += String.fromCharCode(charCode);
}
return str;
}
var kernel_util = null;
var process_Obj_Module_Arr = Process.enumerateModules();
for(var i = 0; i < process_Obj_Module_Arr.length; i++) {
if(process_Obj_Module_Arr[i].path.indexOf(module_name)!=-1) {
console.log("模块名称:",process_Obj_Module_Arr[i].name);
console.log("模块地址:",process_Obj_Module_Arr[i].base);
console.log("大小:",process_Obj_Module_Arr[i].size);
console.log("文件系统路径",process_Obj_Module_Arr[i].path);
kernel_util = process_Obj_Module_Arr[i];
kernel_util.size = 159744; // prevent access violation accessing >= 0x77f222a000
}}
if(kernel_util == null) {
send(module_name + " not loaded. exit.")
} else {
function single_function(pattern) {
pattern = pattern.replaceAll("##", "").replaceAll(" ", "").toLowerCase().replace(/\\s/g,'').replace(/(.{2})/g,"$1 ");
send("定位函数使用的序列： " + pattern)
var akey_function_list = Memory.scanSync(kernel_util.base, kernel_util.size, pattern);
if (akey_function_list.length == 0) {
send("Pattern NOT FOUND!! EXIT!!")
return null;
}
if (akey_function_list.length > 1) {
send("Multi-pattern FOUND!! Take first item.")
}
send("Attach key_function addr: " + akey_function_list[0]['address'])
return akey_function_list[0]['address'];
}
const key_function = single_function("__single_function__parameter__")
if(key_function != null) Interceptor.attach(key_function, {
onEnter: function(args) {
console.log("¦-------------------");
//console.log("¦- arg0: " + buf2hex(args[0].readByteArray(32)) + "(" + args[0] + ")");
//console.log("¦- arg1: " + buf2hex(args[1].readByteArray(32)) + "(" + args[1] + ")");
//console.log("¦- arg2: " + args[2].toInt32() + "(" + args[2] + ")");
//console.log("¦- arg3: " + args[3].toInt32() + "(" + args[3] + ")");
//console.log("¦- arg4: " + args[4].toInt32() + "(" + args[4] + ")");
//console.log("¦- arg5: " + buf2hex(args[5].readByteArray(32)) + "(" + args[5] + ")");
//console.log("¦- arg6: " + args[6].toInt32() + "(" + args[6] + ")");
//console.log("¦- arg7: " + args[7].toInt32() + "(" + args[7] + ")");
//console.log("¦- arg8: " + buf2hex(args[8].readByteArray(32)) + "(" + args[8] + ")");
//console.log("¦- arg9: " + buf2hex(args[9].readByteArray(32)) + "(" + args[9] + ")");
//console.log("¦- arg10:" + buf2hex(args[10].readByteArray(32)) + "(" + args[10] + ")");
if(args[7].toInt32() < 1000000000)
console.log("¦- arg11:" + args[11].readUtf8String() + "(" + args[11] + ")");
//console.log("¦- arg12:" + buf2hex(args[12].readByteArray(32)) + "(" + args[12] + ")");
//console.log("¦- arg13:" + buf2hex(args[13].readByteArray(32)) + "(" + args[13] + ")");
//console.log("¦- arg14:" + buf2hex(args[14].readByteArray(32)) + "(" + args[14] + ")");
//console.log("¦- arg15:" + buf2hex(args[15].readByteArray(32)) + "(" + args[15] + ")");
//console.log("¦- arg16:" + buf2hex(args[16].readByteArray(32)) + "(" + args[16] + ")");
//console.log("¦- arg17:" + buf2hex(args[17].readByteArray(32)) + "(" + args[17] + ")");
//console.log("¦- arg18:" + buf2hex(args[18].readByteArray(32)) + "(" + args[18] + ")");
//console.log("¦- arg19:" + buf2hex(args[19].readByteArray(32)) + "(" + args[19] + ")");
//console.log("¦- arg20:" + buf2hex(args[20].readByteArray(32)) + "(" + args[20] + ")");
//console.log("¦- arg21:" + buf2hex(args[21].readByteArray(32)) + "(" + args[21] + ")");
//console.log("¦- arg22:" + buf2hex(args[22].readByteArray(32)) + "(" + args[22] + ")");
//console.log("¦- arg23:" + buf2hex(args[23].readByteArray(32)) + "(" + args[23] + ")");
//console.log("¦- arg24:" + buf2hex(args[24].readByteArray(32)) + "(" + args[24] + ")");
//console.log("¦- arg25:" + buf2hex(args[25].readByteArray(32)) + "(" + args[25] + ")");
//console.log("¦- arg26:" + buf2hex(args[26].readByteArray(32)) + "(" + args[26] + ")");
//console.log("¦- arg27:" + buf2hex(args[27].readByteArray(32)) + "(" + args[27] + ")");
//console.log("¦- arg28:" + buf2hex(args[28].readByteArray(32)) + "(" + args[28] + ")");
//console.log("¦- arg29:" + buf2hex(args[29].readByteArray(32)) + "(" + args[29] + ")");
//console.log("¦- arg30:" + buf2hex(args[30].readByteArray(32)) + "(" + args[30] + ")");
/*
console.log("¦- arg31:" + args[31] + "(" + args[31] + ")");
console.log("¦- arg32:" + args[32] + "(" + args[32] + ")");
console.log("¦- arg33:" + args[33] + "(" + args[33] + ")");
console.log("¦- arg34:" + args[34] + "(" + args[34] + ")");
console.log("¦- arg35:" + args[35] + "(" + args[35] + ")");
console.log("¦- arg36:" + args[36] + "(" + args[36] + ")");
console.log("¦- arg37:" + args[37] + "(" + args[37] + ")");
console.log("¦- arg38:" + args[38] + "(" + args[38] + ")");
console.log("¦- arg39:" + args[39] + "(" + args[39] + ")");
console.log("¦- arg40:" + args[40] + "(" + args[40] + ")");
console.log("¦- arg41:" + args[41] + "(" + args[41] + ")");
console.log("¦- arg42:" + args[42] + "(" + args[42] + ")");
console.log("¦- arg43:" + args[43] + "(" + args[43] + ")");
console.log("¦- arg44:" + args[44] + "(" + args[44] + ")");
console.log("¦- arg45:" + args[45] + "(" + args[45] + ")");
console.log("¦- arg46:" + args[46] + "(" + args[46] + ")");
console.log("¦- arg47:" + args[47] + "(" + args[47] + ")");
console.log("¦- arg48:" + args[48] + "(" + args[48] + ")");
console.log("¦- arg49:" + args[49] + "(" + args[49] + ")");
console.log("¦- arg50:" + args[50] + "(" + args[50] + ")");
console.log("¦- arg51:" + args[51] + "(" + args[51] + ")");
console.log("¦- arg52:" + args[52] + "(" + args[52] + ")");
console.log("¦- arg53:" + args[53] + "(" + args[53] + ")");
console.log("¦- arg54:" + args[54] + "(" + args[54] + ")");
console.log("¦- arg55:" + args[55] + "(" + args[55] + ")");
console.log("¦- arg56:" + args[56] + "(" + args[56] + ")");
console.log("¦- arg57:" + args[57] + "(" + args[57] + ")");
console.log("¦- arg58:" + args[58] + "(" + args[58] + ")");
console.log("¦- arg59:" + args[59] + "(" + args[59] + ")");
console.log("¦- arg60:" + args[60] + "(" + args[60] + ")");
*/
console.log("¦-------------------");
},
});
}
}
hook()