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Hook_SetAt.js
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415 lines (373 loc) · 12.7 KB
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// 封装 函数指针， 返回值类型， 参数类型到 MyFunction
function MyFunction(funcPtr, retType, paramsType) {
this.funcPtr = funcPtr;
if (retType != null && paramsType != null) {
this.retType = retType,
this.paramsType = paramsType,
this.nativeFunc = new NativeFunction(funcPtr, retType, paramsType);
} else {
this.retType = null;
this.paramsType = null;
this.nativeFunc = null;
}
};
// 全局函数，读取动态库的导出表，获取指定函数在内存中的地址
// 并根据参数创建一个 NativeFunction 用于在js中调用这个动态库中的函数。
function getMyFunction(moduleName, func, retType, paramsType) {
var funcPtr = null;
if (typeof(func) == "number") {
var moduleBase = Module.findBaseAddress(moduleName);
funcPtr = ptr(parseInt(moduleBase) + func);
//console.log("moduleBase: " + moduleBase + ", offset: " + func.toString(16) + ", funcPtr:" + funcPtr);
} else {
funcPtr = Module.findExportByName(moduleName, func);
}
if (funcPtr == null) {
throw new ReferenceError("Frida: Can't found module name or function name.");
}
return new MyFunction(funcPtr, retType, paramsType);
};
function GetStackTraceString(traces) {
// range 含有以下三个属性
// base: 0x76894000
// size: 61440
// protection: r-x
var range;
// "base": "0x768a5000",
// "name": "libComm.so",
// "path": "/data/data/com.Autel.maxi/app_myLibs/libComm.so",
// "size": 376832
var module;
// "offset": 12288,
// "path": "/system/lib/libc.so",
// "size": 0
var rangeFile = null;
var str;
var traceString = "";
for (var i in traces) {
var moduleName = "null";
var moduleBase = 0;
//range = Process.findRangeByAddress(traces[i]);
module = Process.findModuleByAddress(traces[i]);
if (module) {
moduleName = module.name;
moduleBase = module.base;
}
str = i + ": " + moduleName + ", address: " + traces[i] + ", offset: 0x" + (parseInt(traces[i]) - parseInt(moduleBase)).toString(16).toUpperCase() + "\n";
traceString += str;
}
return traceString + "\n";
}
// ****************************************
// ****************************************
/////////////////////////////////
// CBinary 类 的 JavaScript 包装类
/////////////////////////////////
function CBinary(values) {
this.objPtr = null;
if (values instanceof NativePointer) { // 参数是对象指针
this.objPtr = values;
} else if (typeof(values) == "number") {
} else if (values instanceof Array) { // 参数是一个数组
this.createObj();
this.append(values);
}
};
/////////////////////////////////
// CBinary 类的静态成员 和 静态函数
/////////////////////////////////
CBinary.__libName = "libPubFunctional.so",
CBinary.__constructor = getMyFunction(CBinary.__libName, "_ZN7CBinaryC2Ev", "pointer", ["pointer"]),
CBinary.__deconstructor = getMyFunction(CBinary.__libName, "_ZN7CBinaryD2Ev", "pointer", ["pointer"]),
CBinary.__setAt = getMyFunction(CBinary.__libName, "_ZN7CBinary5SetAtEsh", "int", ["pointer", "int", "int"]),
CBinary.__getAt = getMyFunction(CBinary.__libName, "_ZNK7CBinary5GetAtEs", "int", ["pointer", "int"]),
CBinary.__append = getMyFunction(CBinary.__libName, "_ZN7CBinary6AppendEPKhs", "int", ["pointer", "pointer", "int"]),
CBinary.__append1 = getMyFunction(CBinary.__libName, "_ZN7CBinary6AppendEPVKhs", "int", ["pointer", "pointer", "int"]),
CBinary.__isEmpty = getMyFunction(CBinary.__libName, "_ZNK7CBinary7IsEmptyEv", "int", ["pointer"]),
CBinary.__getSize = getMyFunction(CBinary.__libName, "_ZNK7CBinary7GetSizeEv", "int", ["pointer"]),
CBinary.__getBuffer = getMyFunction(CBinary.__libName, "_ZNK7CBinary9GetBufferEv", "pointer", ["pointer"]);
CBinary.__compare = getMyFunction(CBinary.__libName, "_ZN7CBinary7CompareERKS_", "int", ["pointer", "pointer"]);
CBinary.__operator_AddEq = getMyFunction(CBinary.__libName, "_ZN7CBinarypLEh", "int", ["pointer"]);
/////////////////////////////////
// CBinary 类的成员函数
/////////////////////////////////
CBinary.prototype.createObj = function () {
var objPtr = null;
objPtr = Memory.alloc(8);
if (objPtr == null) {
throw new ReferenceError("Frida: Memory.alloc() Failed for CBinary Object.");
}
this.objPtr = objPtr;
CBinary.__constructor.nativeFunc(objPtr);
return this;
},
CBinary.prototype.release = function () {
CBinary.__deconstructor.nativeFunc(this.objPtr);
},
CBinary.prototype.getCounter = function () {
var buf = Memory.readPointer(ptr(parseInt(this.objPtr) + 4));
var ret = 0;
if (parseInt(buf) != 0) {
ret = Memory.readU16(ptr(parseInt(buf) + 0xA));
}
return ret;
},
CBinary.prototype.setAt = function (index, value) {
return CBinary.__setAt.nativeFunc(this.objPtr, parseInt(index), parseInt(value));
},
CBinary.prototype.getAt = function (index) {
return CBinary.__getAt.nativeFunc(this.objPtr, parseInt(index));
},
CBinary.prototype.append = function (ary) {
var len = ary.length;
if (len == 0) {
return 0;
}
var bufView = new Uint8Array(new ArrayBuffer(len));
for (i = 0; i < len; i++) {
bufView[i] = ary[i] != null ? ary[i] : 0;
}
buf = Memory.alloc(len);
Memory.writeByteArray(buf, bufView.buffer);
return CBinary.__append.nativeFunc(this.objPtr, buf, len);
},
CBinary.prototype.getSize = function () {
return parseInt(CBinary.__getSize.nativeFunc(this.objPtr));
},
CBinary.prototype.getBuffer = function () {
return CBinary.__getBuffer.nativeFunc(this.objPtr);
},
CBinary.prototype.isEmpty = function () {
return CBinary.__isEmpty.nativeFunc(this.objPtr) == 1;
},
CBinary.prototype.compare = function (otherObj) {
return CBinary.__compare.nativeFunc(this.objPtr, otherObj.objPtr);
};
// ****************************************
// ****************************************
function ReadCBinary(objaddr) {
ptr1 = parseInt(Memory.readPointer(ptr(objaddr+4)));
used = Memory.readU16(ptr(ptr1+4));
total = Memory.readU16(ptr(ptr1+6));
space = Memory.readPointer(ptr(ptr1));
buf = Memory.readByteArray(ptr(space), used);
binary = new Object()
binary["space"] = buf
binary["total"] = total
binary["used"] = used
return binary
}
function DString(objaddr) {
objaddr = parseInt(objaddr);
var end = new NativePointer(objaddr + 0x10);
var begin = new NativePointer(objaddr + 0x14);
this.end = Memory.readPointer(end);
this.begin = Memory.readPointer(begin);
this.size = parseInt(end) - parseInt(begin);
this.cstr = Memory.readCString(this.begin, this.size);
}
function CBinaryGroup(objaddr) {
objaddr = parseInt(objaddr);
var begin = new NativePointer(objaddr + 0x04);
var end = new NativePointer(objaddr + 0x08);
this.end = Memory.readPointer(end);
this.begin = Memory.readPointer(begin);
}
libDiagBase = parseInt(Module.findBaseAddress("libDiag.so"));
/*
Interceptor.attach(ptr(libDiagBase + 0x0005A768 + 1), {
onEnter: function(args) {
console.log("\n-----------");
console.log(args[1]);
console.log(args[2]);
},
onLeave: function(retval) {
}
});
*/
/*
Interceptor.attach(ptr(libDiagBase + 0x0005A4A0 + 1), {
onEnter: function(args) {
this.str_p2 = new DString(args[1]);
this.binary = new CBinary(args[2]);
console.log("\n-----------");
console.log(hexdump(this.binary.getBuffer(), {
offset: 0,
length: this.binary.getSize(),
header: true,
ansi: true
}));
console.log(this.str_p2.cstr);
//this.StackTraceString = GetStackTraceString(Thread.backtrace(this.context));
//this.g_bgroups = new CBinaryGroup(libDiagBase+0x003DF0EC);
//var begin = parseInt(this.g_bgroups.begin);
//var end = parseInt(this.g_bgroups.end);
//console.log("\n");
//for (var i = begin; i != end; i += 8) {
// var thisBin = new CBinary(ptr(i));
// console.log(hexdump(thisBin.getBuffer(), {
// offset: 0,
// length: thisBin.getSize(),
// header: true,
// ansi: true
// }));
//}
},
onLeave: function(retval) {
}
});
*/
/*
// read tab content to std::string
// std::string XXX(TabContent, std::string section, std::string option);
Interceptor.attach(ptr(libDiagBase + 0x00120AB4 + 1), {
onEnter: function(args) {
this.str_p2 = new DString(args[2]);
this.str_p3 = new DString(args[3]);
this.StackTraceString = GetStackTraceString(Thread.backtrace(this.context));
},
onLeave: function(retval) {
if (this.str_p2.cstr == "Netlayer" && this.str_p3.cstr == "EnterCondition") {
retstr = new DString(retval);
console.log("\"" + retstr.cstr + "\"\n" + this.StackTraceString);
}
}
});
*/
/*
// read tab content to CBinary, and append to CBinaryGroup
// void XXX(CBinaryGroup*, TabContent, std::string section, std::string option);
Interceptor.attach(ptr(libDiagBase + 0x00057F64 + 1), {
onEnter: function(args) {
this.str_p2 = new DString(args[2]);
this.str_p3 = new DString(args[3]);
this.StackTraceString = GetStackTraceString(Thread.backtrace(this.context));
},
onLeave: function(retval) {
if (this.str_p2.cstr == "Netlayer" && this.str_p3.cstr == "EnterCondition") {
bgroup = new CBinaryGroup(retval);
var begin = parseInt(bgroup.begin);
var end = parseInt(bgroup.end);
console.log("\n" + this.StackTraceString + "CBinaryGroup size:" + (end - begin));
for (var i = begin; i != end; i += 8) {
var thisBin = new CBinary(ptr(i));
console.log(hexdump(thisBin.getBuffer(), {
offset: 0,
length: thisBin.getSize(),
header: true,
ansi: true
}));
}
}
}
});
*/
// CBinary::~CBinary(), Hook 析构函数
//Interceptor.attach(CBinary.__deconstructor.funcPtr, {
// onEnter: function(args) {
// this.arg0 = parseInt(args[0]);
// this.StackTraceString = GetStackTraceString(Thread.backtrace(this.context));
// this.ctx = this.context;
//
// if (this.arg0 != 0) {
// var thisBin = new CBinary(ptr(this.arg0));
// var thisBinSize = thisBin.getSize()
// var at = thisBin.getAt(15);
// console.log("size:" + thisBinSize + "\n" + hexdump(thisBin.getBuffer(), {
// offset: 0,
// length: thisBinSize,
// header: true,
// ansi: true
// }) + "\n" + this.StackTraceString);
// }
// },
// onLeave: function(retval) {
// }
//});
Interceptor.attach(CBinary.__setAt.funcPtr, {
onEnter: function(args) {
this.arg0 = parseInt(args[0]);
this.StackTraceString = GetStackTraceString(Thread.backtrace(this.context));
this.ctx = this.context;
},
onLeave: function(retval) {
if (this.arg0 != 0) {
var thisBin = new CBinary(ptr(this.arg0));
var thisBinSize = thisBin.getSize()
var at = thisBin.getAt(0);
//if (at == 0xEE)
console.log("size:" + thisBinSize + "\n" + hexdump(thisBin.getBuffer(), {
offset: 0,
length: thisBinSize,
header: true,
ansi: true
}) + "\n" + this.StackTraceString);
}
}
});
/*
Interceptor.attach(CBinary.__operator_AddEq.funcPtr, {
onEnter: function(args) {
this.arg0 = parseInt(args[0]);
this.StackTraceString = GetStackTraceString(Thread.backtrace(this.context));
this.ctx = this.context;
},
onLeave: function(retval) {
if (this.arg0 != 0) {
var thisBin = new CBinary(ptr(this.arg0));
var thisBinSize = thisBin.getSize();
var at = thisBin.getAt(15);
console.log("size:" + thisBinSize + "\n" + hexdump(thisBin.getBuffer(), {
offset: 0,
length: thisBinSize,
header: true,
ansi: true
}) + "\n" + this.StackTraceString);
}
}
});
*/
/*
Interceptor.attach(CBinary.__append.funcPtr, {
onEnter: function(args) {
this.arg0 = parseInt(args[0]);
this.StackTraceString = GetStackTraceString(Thread.backtrace(this.context));
this.ctx = this.context;
},
onLeave: function(retval) {
if (this.arg0 != 0) {
var thisBin = new CBinary(ptr(this.arg0));
var thisBinSize = thisBin.getSize();
var at = thisBin.getAt(15);
console.log("size:" + thisBinSize + "\n" + hexdump(thisBin.getBuffer(), {
offset: 0,
length: thisBinSize,
header: true,
ansi: true
}) + "\n" + this.StackTraceString);
}
}
});
*/
/*
Interceptor.attach(CBinary.__getAt.funcPtr, {
onEnter: function(args) {
this.arg0 = parseInt(args[0]);
this.StackTraceString = GetStackTraceString(Thread.backtrace(this.context));
this.ctx = this.context;
},
onLeave: function(retval) {
if (this.arg0 != 0) {
var thisBin = new CBinary(ptr(this.arg0));
var thisBinSize = thisBin.getSize();
var at = thisBin.getAt(15);
console.log("size:" + thisBinSize + "\n" + hexdump(thisBin.getBuffer(), {
offset: 0,
length: thisBinSize,
header: true,
ansi: true
}) + "\n" + this.StackTraceString);
}
}
});
*/