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bpoints.js
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bpoints.js
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// 结合Il2CppDumper使用,用于批量快速下断点,跟踪native函数调用
// frida -U -f <PackageName> -l C:\Users\lzy\utils\bpoints.js --no-pause
setImmediate(hook_dlopen())
//setImmediate(hookJava(),hookNative())
const soName = "libil2cpp.so"
//使用的时候使用dsp.py生成的两个地址名称替换调这里的两个即可
const arrayAddr =
['0x71541c', '0x715b38', '0x715be4', '0x715c61']
const arrayName =
['GameManager$$Awake', 'GameManager$$GetParam', 'GameManager$$SaveParam', 'GameManager$$ActivatePrivacyButton']
function breakPoints(){
const soAddr = Module.findBaseAddress(soName);
console.error('\nsoAddr:' + soAddr + "\n");
Java.perform(function(){
arrayAddr
.map(function(temp){return soAddr.add(temp)})
.forEach(function(value,index,array){
console.log("-------------------------");
console.log('currentAddr:' + value);
try{
funcTmp(value,index,arrayName);
}catch(e){
//Thumb指令集地址要加一
funcTmp(value.add(1),soAddr,index,arrayName);
}
console.log("\t\t---->"+index,value.add(soAddr)+" is prepared ");
})
console.log("\n")
})
function funcTmp(currentAddr,index,arrayName){
Interceptor.attach(currentAddr, {
onEnter: function(args){
console.log("called : "+arrayName[index]+" ----- addr : " + currentAddr.sub(soAddr) +"\n");
this.temp = currentAddr.sub(soAddr);
if(this.temp === 0xef3080) {
console.log('CCCryptorCreate called from:\n' +
Thread.backtrace(this.context, Backtracer.ACCURATE)
.map(DebugSymbol.fromAddress).join('\n') + '\n');
}
},
onLeave: function(retval){
}
});
}
}
function hook_dlopen() {
// const dlopen = Module.findExportByName(null, "dlopen");
const dlopen = Module.findExportByName(null, "android_dlopen_ext");
if (dlopen != null) {
Interceptor.attach(dlopen, {
onEnter: function (args) {
var l_soName = args[0].readCString()
console.log(l_soName)
if (l_soName.indexOf(soName) != -1) {
this.hook = true
}
},
onLeave: function (retval) {
if (this.hook) {
console.warn("\nLoaded "+soName + " add break points")
breakPoints()
}
}
})
}
}
//HookExports,HookSymbols,HookSymbols 这三个玩意儿谨慎使用Hook到某些函数会崩掉
//这三个也是针对有时候想找找关键函数调用的时候用一下,不太推荐用这个
function HookExports(name,mdname,ishook){
//java堆栈
const isShowPrintStack = false
//native堆栈
const isShowPrintStackN = true
soName = mdname == undefined || mdname == "" ? soName : mdname
Interceptor.detachAll()
var md = NULL
var addr = NULL
try{
var md = Process.findModuleByName(soName)
addr = md.base
}catch(e){
console.error(soName + " not found!")
return
}
console.error(soName+" at "+addr)
md.enumerateExports().forEach(function(item){
if(item.name.indexOf(name)!=-1){
console.log(JSON.stringify(item))
if(ishook!=undefined)hook_item(item)
}
})
function hook_item(item){
console.log("add break points at "+item.address)
try{
Interceptor.attach(item.address,{
onEnter:function(args){
console.log("\n\x1b[96mA called "+item.address+" ===> "+item.address.sub(addr)+"\t"+item.name+"\x1b[0m")
if(isShowPrintStack) PrintStackTrace()
if(isShowPrintStackN) PrintStackTraceN(this.context)
},
onLeave:function(retval){
}
})
}catch(e){
try{
Interceptor.attach(item.address.add(1),{
onEnter:function(args){
console.log("\n\x1b[96mT Called "+item.address+" ===> "+item.address.add(1).sub(addr)+"\t"+item.name+"\x1b[0m")
if(isShowPrintStack) PrintStackTrace()
if(isShowPrintStackN) PrintStackTraceN(this.context)
},
onLeave:function(retval){
}
})
}catch(e){
console.log(e)
}
}
}
}
function HookImports(name,mdname,ishook){
//java堆栈
const isShowPrintStack = false
//native堆栈
const isShowPrintStackN = true
Interceptor.detachAll()
soName = mdname == undefined || mdname == "" ? soName : mdname
var md = NULL
var addr = NULL
try{
var md = Process.findModuleByName(soName)
addr = md.base
}catch(e){
console.error(soName + " not found!")
return
}
md.enumerateImports().forEach(function(item){
if(item.name.indexOf(name)!=-1){
console.log(JSON.stringify(item))
if(ishook!=undefined)hook_item(item)
}
})
function hook_item(item){
console.log("add break points at "+item.address)
try{
Interceptor.attach(item.address,{
onEnter:function(args){
console.log("\n\x1b[96mA called "+item.address+" ===> "+item.address.sub(addr)+"\t"+item.name+"\x1b[0m")
if(isShowPrintStack) PrintStackTrace()
if(isShowPrintStackN) PrintStackTraceN(this.context)
},
onLeave:function(retval){
}
})
}catch(e){
try{
Interceptor.attach(item.address.add(1),{
onEnter:function(args){
console.log("\n\x1b[96mT Called "+item.address+" ===> "+item.address.add(1).sub(addr)+"\t"+item.name+"\x1b[0m")
if(isShowPrintStack) PrintStackTrace()
if(isShowPrintStackN) PrintStackTraceN(this.context)
},
onLeave:function(retval){
}
})
}catch(e){
console.log(e)
}
}
}
}
function HookSymbols(name,mdname,ishook){
//java堆栈
const isShowPrintStack = false
//native堆栈
const isShowPrintStackN = true
Interceptor.detachAll()
soName = mdname == undefined || mdname == "" ? soName : mdname
var md = NULL
var addr = NULL
try{
var md = Process.findModuleByName(soName)
addr = md.base
}catch(e){
console.error(soName + " not found!")
return
}
md.enumerateSymbols().forEach(function(item){
if(item.name.indexOf(name)!=-1){
console.log(JSON.stringify(item))
if(ishook!=undefined)hook_item(item)
if(ishook == 1) return item.address
}
})
function hook_item(item){
console.log("add break points at "+item.address)
try{
Interceptor.attach(item.address,{
onEnter:function(args){
console.log("\n\x1b[96mA called "+item.address+" ===> "+item.address.sub(addr)+"\t"+item.name+"\x1b[0m")
if(isShowPrintStack) PrintStackTrace()
if(isShowPrintStackN) PrintStackTraceN(this.context)
},
onLeave:function(retval){
}
})
}catch(e){
try{
Interceptor.attach(item.address.add(1),{
onEnter:function(args){
console.log("\n\x1b[96mT Called "+item.address+" ===> "+item.address.add(1).sub(addr)+"\t"+item.name+"\x1b[0m")
if(isShowPrintStack) PrintStackTrace()
if(isShowPrintStackN) PrintStackTraceN(this.context)
},
onLeave:function(retval){
}
})
}catch(e){
console.log(e)
}
}
}
}
//java 堆栈
function PrintStackTrace(){
console.log("\x1b[36m"+
Java.use("android.util.Log")
.getStackTraceString(Java.use("java.lang.Throwable")
.$new())+"\x1b[0m");
}
//native 堆栈
function PrintStackTraceN(ctx){
console.log("\x1b[36m Called from:\n"+
Thread.backtrace(ctx,Backtracer.ACCURATE)
// .slice(0,6)
// .reverse()
.map(DebugSymbol.fromAddress).join("\n")+"\x1b[0m");
}
//frida的更多使用参见:https://www.jianshu.com/p/4291ee42c412
function hookJava(){
//java 方法的 hook
Java.perform(function(){
Java.use("xxxxxxx").Testfunc.implementation = function(){
return this.Testfunc.apply(this,arguments)
}
})
//java实例的查找
Java.choose("xxxxx",{
onMatch:function(obj){
},
onComplete:function(){
}
})
}
function hookNative(){
var addr = Module.findBaseAddress(soName)
//方法调用
var func = new NativeFunction(addr.add(0x123),'void','pointer')
func(ptr(0))
//方法拦截
Interceptor.attach(addr.add(0x123),{
onEnter:function(args){
},
onLeave:function(retval){
}
})
//方法替换
Interceptor.replace(func,new NativeCallback(function(arg){
},'void',['pointer','pointer']))
}