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[原创]某加固系统运行信息获取frida 脚本
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发表于: 2021-2-12 12:21 9258
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某加固系统运行信息获取frida 脚本，具体使用请自行探索。
/*
Get xxxjiagu info Script by fxyang
辛丑年正月初一
*/
var ishook_libart = false;
var new_so_base = 0;
var new_so_size = 0;
var JNI_RegisterNatives_array = [];
var jiagu_sdk = [];
var hook_call_addr = [];
var jiagu_vmp = [];
var addrmemcpy = Module.findExportByName("libc.so", "memcpy");
var addrmalloc = Module.findExportByName("libc.so", "malloc");
var addrmmap = Module.findExportByName("libc.so", "mmap");
var mprotect = Module.findExportByName("libc.so", "mprotect");
var addrstrstr = Module.findExportByName("libc.so", "strstr");
var addrstrlen = Module.findExportByName("libc.so", "strlen");
var addrdlopen = Module.findExportByName("libc.so","dlopen");
var addruncompress = Module.findExportByName('libz.so', 'uncompress');
var addrpthread_create = Module.findExportByName("libc.so", "pthread_create");
var addrstrdup = Module.findExportByName("libc.so","strdup");
var k = 1;
var new_so_dump = 0;
var n = 0;
var str_flag = 0;
var up_flag = 0;
var app_activity = 0;
var App_Activity_str = "";
var App_Activity = "";
var dex_up_flag = 0;
var jiagu_end = 0;
var packname_flag = 1;
var pkg_name ="";
var pathDir = "";
var so_dump = 0;
var oat_dump = 0;
var so_data_k = 0;
var new_so_pht = 0;
var new_so_dyn = 0;
var new_so_pltrel = 0;
var new_so_dynrel = 0;
var new_so_pltrel_size = 0;
var vmp_fun_addr = 0;
function get_pkg_dir() { var fileclass = Java.use("java.io.File");
var mysavePath = "/data/data/" + pkg_name + "/mydump";
pathDir = fileclass.$new(mysavePath);
if (!pathDir.exists()) {
pathDir.mkdirs();
}
}function find_vmp_fun() { // 这个函数过于敏感，故隐去代码，需要的自己去获取vmp主函数地址填充。
vmp_fun_addr = 0;
}if (mprotect != 0) {
Interceptor.attach((mprotect), {
onEnter: function (args) {
if (up_flag == 1) {
// get new so base and size
if (args[1] > 0x10000) {
new_so_base = args[0];
new_so_size = args[1];
console.log("new_so_base:", new_so_base, "base_size:", new_so_size);
up_flag = 0;
new_so_dump = 1;
}
}
if (dex_up_flag == 1) {
if (args[2] == 7) {
var oat_base = args[0];
var oat_size = parseInt(args[1]);
console.log('find oat addr is', oat_base, "oat size is ", oat_size);
var file_path = pathDir + "/dump_" + oat_base.toString() + ".oat";
var file_handle = new File(file_path, "wb");
if (file_handle) {
Memory.protect(ptr(oat_base), oat_size, 'rwx');
var oat_buffer = ptr(oat_base).readByteArray(oat_size);
file_handle.write(oat_buffer);
file_handle.flush();
file_handle.close();
console.log("[dump oat in]:" + file_path);
}
oat_dump += 1;
}
}
}
})
}if (addruncompress != 0) {
Interceptor.attach((addruncompress), {
onEnter: function (args) {
if (new_so_base == 0) {
up_flag = 1;
n = 1;
}
}
})
}if (addrstrlen != 0) {
Interceptor.attach((addrstrlen), {
onEnter: function (args) {
if (str_flag == 11) {
var str_len = Memory.readCString(args[0]);
if (str_len.length > 10){
console.log("string len is",str_len);
}
}
if (app_activity == 1){
// Get APP Activity Entry
if (Memory.readCString(args[0]) == "activityName"){
console.log("App_Application_Entry is:",App_Activity_str);
app_activity = 0;
App_Activity = App_Activity_str;
}
App_Activity_str = Memory.readCString(args[0]);
dex_up_flag = 0;
str_flag = 0;
}
if(jiagu_end == 1){
console.log("================== The APP xxx jiagu info ==================");
console.log("");
console.log("App_Application_Entry is:",App_Activity);
console.log("dump save path is ", pathDir);
if(so_dump == 1){
console.log("xxx_jiagu_so dump over");
}
if(oat_dump > 0){
console.log("The App oat_dex dump:",oat_dump);
}
if (JSON.stringify(jiagu_sdk).indexOf(JSON.stringify("onCreate")) != -1){
console.log("The App find ocCreate VMP");
}
if (JSON.stringify(jiagu_sdk).indexOf(JSON.stringify("interface11"))!= -1){
console.log("The App find interface11 sdk!");
}
if(JSON.stringify(jiagu_sdk).indexOf(JSON.stringify("mark"))!= -1){
console.log("The App find mark sdk!");
}
console.log("");
console.log("======================= xxx jiagu end =======================");
jiagu_end = 0;
}
}
})
}if (addrstrdup != 0) {
Interceptor.attach((addrstrdup), {
onEnter: function (args) {
if (k == 1) {
var str = Memory.readCString(args[0]);
console.log("copy string is :", str);
if (packname_flag == 1){
if(str.startsWith("/data/app/com")){
var pkg_name_str = str.split("/")[3];
pkg_name = pkg_name_str.split("-")[0];
console.log("pkg_name is:", pkg_name);
packname_flag = 0;
get_pkg_dir();
}
}
}
}
})
}if (addrstrstr != 0) {
Interceptor.attach((addrstrstr), {
onEnter: function (args) {
if (str_flag == 1) {
var str = Memory.readCString(args[0]);
var str1 = Memory.readCString(args[1]);
console.log("string in str :", str,str1);
}
}
})
}if (addrmemcpy != 0) {
Interceptor.attach((addrmemcpy), {
onEnter: function (args) {
if (new_so_dump == 1) {
var file_path = pathDir + "/dump_knso_" + new_so_base + ".so";
var file_handle = new File(file_path, "wb");
if (file_handle) {
Memory.protect(ptr(new_so_base), parseInt(new_so_size), 'rwx');
var oat_buffer = ptr(new_so_base).readByteArray(parseInt(new_so_size));
file_handle.write(oat_buffer);
file_handle.flush();
file_handle.close();
console.log("[dump kn so in]:" + file_path);
}
find_vmp_fun();
new_so_dump = 0
}
if (n == 1) {
console.log("memcpy-->src,dest,len:",args[1],args[0],args[2]);
if(args[2]== 0x100){
so_data_k = 5;
new_so_pht = args[0]
}
else if(args[2] == 0xb4){
n = 0;
var file_path = pathDir + "/dump_pht_" + new_so_pht + ".dat";
// console.log("begin save so dat!",file_path);
var file_handle = new File(file_path, "wb");
if (file_handle) {
Memory.protect(ptr(new_so_pht), 0x100, 'rwx');
var oat_buffer = ptr(new_so_pht).readByteArray(0x100);
file_handle.write(oat_buffer);
file_handle.flush();
file_handle.close();
console.log("[dump pht dat in]:" + file_path);
}
var file_path = pathDir + "/dump_dyn_" + new_so_dyn + ".dat";
var file_handle = new File(file_path, "wb");
if (file_handle) {
Memory.protect(ptr(new_so_dyn), 0xd8, 'rwx');
var oat_buffer = ptr(new_so_dyn).readByteArray(0xd8);
file_handle.write(oat_buffer);
file_handle.flush();
file_handle.close();
console.log("[dump dyn dat in]:" + file_path);
}
var file_path = pathDir + "/dump_pltrel_" + new_so_pltrel + ".dat";
var file_handle = new File(file_path, "wb");
if (file_handle) {
Memory.protect(ptr(new_so_pltrel), new_so_pltrel_size, 'rwx');
var oat_buffer = ptr(new_so_pltrel).readByteArray(new_so_pltrel_size);
file_handle.write(oat_buffer);
file_handle.flush();
file_handle.close();
console.log("[dump pltrel dat in]:" + file_path);
}
var file_path = pathDir + "/dump_dynrel_" + new_so_dynrel + ".dat";
var file_handle = new File(file_path, "wb");
if (file_handle) {
Memory.protect(ptr(new_so_dynrel), 0x4a58, 'rwx');
var oat_buffer = ptr(new_so_dynrel).readByteArray(0x4a58);
file_handle.write(oat_buffer);
file_handle.flush();
file_handle.close();
console.log("[dump dynrel dat in]:" + file_path);
}
var file_path = pathDir + "/dump_newso_" + new_so_base + ".so";
var file_handle = new File(file_path, "wb");
if (file_handle) {
Memory.protect(ptr(new_so_base), parseInt(new_so_size), 'rwx');
var oat_buffer = ptr(new_so_base).readByteArray(parseInt(new_so_size));
file_handle.write(oat_buffer);
file_handle.flush();
file_handle.close();
console.log("[dump new so in]:" + file_path);
so_dump = 1;
}
}
else if (so_data_k > 0){
if (so_data_k == 1){
var size_buff = args[0].sub(new_so_base);
new_so_size = size_buff.add(args[2]);
console.log("new_so_size is :",new_so_size);
}
else if (args[2] > 0xd0){
if (args[2] == 0xd8){
new_so_dyn = args[0];
so_data_k -= 1;
}
else if(args[2] > 0x800 && args[2] < 0x1000){
new_so_pltrel = args[0];
new_so_pltrel_size = parseInt(args[2]);
so_data_k -= 1;
}
else if (args[2] > 0x4000 && args[2] < 0x5000){
new_so_dynrel = args[0];
so_data_k -= 1;
}
else {
so_data_k -= 1;
}
}
}
}
},
onLeave: function (letval) {
}
})
}function hook_libart() { if (ishook_libart === true) {
return;
}
var symbols = Module.enumerateSymbolsSync("libart.so");
var addrCheckcakkArgs = null;
var addrGetStringUTFChars = null;
var addrNewStringUTF = null;
var addrFindClass = null;
var addrGetMethodID = null;
var addrGetStaticMethodID = null;
var addrGetFieldID = null;
var addrGetStaticFieldID = null;
var addrRegisterNatives = null;
var addrAllocObject = null;
var addrCallObjectMethod = null;
var addrGetObjectClass = null;
var addrReleaseStringUTFChars = null;
var addCallStaticObjectMethodV = null;
var addCallObjectMethodV = null;
var addCallStaticbooleanMethodV = null;
var class_name = null;
var vmp_hook = null;
var GetOpcode_flag = null;
var vmp_dex_data = [];
var vmp_opcode_index_v = [];
var vmp_opcode_v = [];
var vmp_code_len = [];
for (var i = 0; i < symbols.length; i++) {
var symbol = symbols[i];
if (symbol.name == "_ZN3art3JNI17GetStringUTFCharsEP7_JNIEnvP8_jstringPh") {
addrGetStringUTFChars = symbol.address;
console.log("GetStringUTFChars is at ", symbol.address, symbol.name);
} else if (symbol.name == "_ZN3art3JNI12NewStringUTFEP7_JNIEnvPKc") {
addrNewStringUTF = symbol.address;
console.log("NewStringUTF is at ", symbol.address, symbol.name);
} else if (symbol.name == "_ZN3art3JNI9FindClassEP7_JNIEnvPKc") {
addrFindClass = symbol.address;
console.log("FindClass is at ", symbol.address, symbol.name);
} else if (symbol.name == "_ZN3art3JNI11GetMethodIDEP7_JNIEnvP7_jclassPKcS6_") {
addrGetMethodID = symbol.address;
console.log("GetMethodID is at ", symbol.address, symbol.name);
} else if (symbol.name == "_ZN3art3JNI17GetStaticMethodIDEP7_JNIEnvP7_jclassPKcS6_") {
addrGetStaticMethodID = symbol.address;
console.log("GetStaticMethodID is at ", symbol.address, symbol.name);
} else if (symbol.name == "_ZN3art3JNI10GetFieldIDEP7_JNIEnvP7_jclassPKcS6_") {
addrGetFieldID = symbol.address;
console.log("GetFieldID is at ", symbol.address, symbol.name);
} else if (symbol.name == "_ZN3art3JNI16GetStaticFieldIDEP7_JNIEnvP7_jclassPKcS6_") {
addrGetStaticFieldID = symbol.address;
console.log("GetStaticFieldID is at ", symbol.address, symbol.name);
} else if (symbol.name == "_ZN3art3JNI15RegisterNativesEP7_JNIEnvP7_jclassPK15JNINativeMethodi") {
addrRegisterNatives = symbol.address;
console.log("RegisterNatives is at ", symbol.address, symbol.name);
} else if (symbol.name.indexOf("_ZN3art3JNI11AllocObjectEP7_JNIEnvP7_jclass") >= 0) {
addrAllocObject = symbol.address;
console.log("AllocObject is at ", symbol.address, symbol.name);
} else if (symbol.name.indexOf("_ZN3art3JNI16CallObjectMethodEP7_JNIEnvP8_jobjectP10_jmethodIDz") >= 0) {
addrCallObjectMethod = symbol.address;
console.log("CallObjectMethod is at ", symbol.address, symbol.name);
} else if (symbol.name.indexOf("_ZN3art3JNI14GetObjectClassEP7_JNIEnvP8_jobject") >= 0) {
addrGetObjectClass = symbol.address;
console.log("GetObjectClass is at ", symbol.address, symbol.name);
} else if (symbol.name.indexOf("_ZN3art3JNI21ReleaseStringUTFCharsEP7_JNIEnvP8_jstringPKc") >= 0) {
addrReleaseStringUTFChars = symbol.address;
console.log("ReleaseStringUTFChars is at ", symbol.address, symbol.name);
} else if (symbol.name.indexOf("_ZN3art3JNI23CallStaticObjectMethodVEP7_JNIEnvP7_jclassP10_jmethodIDSt9__va_list") >= 0) {
addCallStaticObjectMethodV = symbol.address;
console.log("CallStaticObjectMethodV is at ", symbol.address, symbol.name);
} else if (symbol.name.indexOf("_ZN3art3JNI17CallObjectMethodVEP7_JNIEnvP8_jobjectP10_jmethodIDSt9__va_list") >= 0) {
addCallObjectMethodV = symbol.address;
console.log("CallObjectMethodV is at ", symbol.address, symbol.name);
} else if (symbol.name.indexOf("_ZN3art3JNI24CallStaticBooleanMethodVEP7_JNIEnvP7_jclassP10_jmethodIDSt9__va_list") >= 0) {
addCallStaticbooleanMethodV = symbol.address;
console.log("CallStaticbooleanMethodV is at ", symbol.address, symbol.name);
} else if (symbol.name.indexOf("_ZN3art8CheckJNI13CheckCallArgsERNS_18ScopedObjectAccessERNS_11ScopedCheckEP7_JNIEnvP8_jobjectP7_jclassP10_jmethodIDNS_10InvokeTypeEPKNS_7VarArgsE") >= 0) {
addrCheckcakkArgs = symbol.address;
console.log("CheckCallArgs is at ", symbol.address, symbol.name);
}
}
if (addrGetObjectClass != null) {
Interceptor.attach(addrFindClass, {
onEnter: function (args) {
console.log('');
class_name = Memory.readCString(args[1]);
console.log("Call GetObjectClass; obj_name:", class_name);
},
onLeave: function (letval) {
}
})
}
if (addrFindClass != null) {
Interceptor.attach(addrFindClass, {
onEnter: function (args) {
class_name = Memory.readCString(args[1]);
console.log("Call findclass; classname:", class_name);
}
})
}
if (addrCheckcakkArgs != null) {
Interceptor.attach(addrCheckcakkArgs, {
onEnter: function (args) {
var args_list = Memory.readPointer(args[6]);
console.log("Call CheckCallArgs; args:", args_list);
}
})
}
if (addrGetStaticMethodID != null) {
Interceptor.attach(addrGetStaticMethodID, {
onEnter: function (args) {
var Method_name = Memory.readCString(args[2]);
var Method_sig = Memory.readCString(args[3]);
console.log("call GetStaticMethodID,class_name:", class_name, "Method_name:", Method_name, "sig:", Method_sig);
if(Method_name == "currentPackageName"){
// packname_flag = 1;
// str_flag = 1;
}
if(Method_name == "getSoPath2"){
n = 0;
}
if(Method_name == "hashCode"){
jiagu_end = 1;
}
}
})
}
if (addrGetMethodID != null) {
Interceptor.attach(addrGetMethodID, {
onEnter: function (args) {
var Method_name = Memory.readCString(args[2]);
var Method_sig = Memory.readCString(args[3]);
console.log("call GetMethodID,class_name:", class_name, "Method_name:", Method_name, "sig:", Method_sig);
}
})
}
if (addrGetFieldID != null) {
Interceptor.attach(addrGetFieldID, {
onEnter: function (args) {
var Method_name = Memory.readCString(args[2]);
var Method_sig = Memory.readCString(args[3]);
console.log("call GetFieldID,className:", class_name, "Method_name:", Method_name, 'sig:', Method_sig);
if (Method_name == "dexElements"){
dex_up_flag = 1;
str_flag = 1;
}
}
})
}
if (addrGetStaticFieldID != null) {
Interceptor.attach(addrGetStaticFieldID, {
onEnter: function (args) {
var Method_name = Memory.readCString(args[2]);
var Method_sig = Memory.readCString(args[3]);
console.log("call GetStaticFieldID,className:", class_name, "Method_name:", Method_name, "sig:", Method_sig);
if(Method_name == "strEntryApplication"){
app_activity = 1;
}
}
})
}
if (addCallStaticbooleanMethodV != null) {
Interceptor.attach(addCallStaticbooleanMethodV, {
onEnter: function (args) {
var call_add = this.returnAddress;
}
})
}
if (addCallObjectMethodV != null) {
Interceptor.attach(addCallObjectMethodV, {
onEnter: function (args) {
var call_address = this.returnAddress;
}
})
}
if (addrCallObjectMethod != null) {
Interceptor.attach(addrCallObjectMethod, {
onEnter: function (args) {
var call_add = this.returnAddress;
}
})
}
if (addCallStaticObjectMethodV != null) {
Interceptor.attach(addCallStaticObjectMethodV, {
onEnter: function (args) {
var call_add = this.returnAddress;
}
})
}
if (addrRegisterNatives != null) {
Interceptor.attach(addrRegisterNatives, {
onEnter: function (args) {
var call_add = this.returnAddress;
if (call_add < new_so_base.add(new_so_size) && call_add > new_so_base) {
call_so_name = "libjiagu_kn.so";
console.log("Register_address:", call_add, "offset:", ptr(call_add).sub(new_so_base), "at:", call_so_name);
console.log("[RegisterNatives] method_count:", args[3]);
} else {
var call_so_info = Process.getModuleByAddress(call_add);
var call_so_base = call_so_info.base;
var call_so_name = call_so_info.name;
console.log("Register_address:", call_add, "offset:", ptr(call_add).sub(call_so_base), "at:", call_so_name);
console.log("[RegisterNatives] method_count:", args[3]);
}
var methods_ptr = ptr(args[2]);
var call_addr = this.returnAddress;
var method_count = parseInt(args[3]);
for (var i = 0; i < method_count; i++) {
var name_ptr = Memory.readPointer(methods_ptr.add(i * Process.pointerSize * 3));
var sig_ptr = Memory.readPointer(methods_ptr.add(i * Process.pointerSize * 3 + Process.pointerSize));
var fnPtr_ptr = Memory.readPointer(methods_ptr.add(i * 12 + 8));
var fuPtr = fnPtr_ptr.sub(1);
var name = Memory.readCString(name_ptr);
var sig = Memory.readCString(sig_ptr);
var module_base = new_so_base;
var offset = 0;
if (Process.findModuleByAddress(fnPtr_ptr)) {
var so_info = Process.getModuleByAddress(fnPtr_ptr);
module_base = so_info.base;
var so_name = so_info.name;
fuPtr = fnPtr_ptr.sub(1);
offset = fnPtr_ptr.sub(module_base);
console.log("[RegisterNatives] java_class:", class_name, "name:", name, "sig:", sig, "call_fun_Ptr:", fnPtr_ptr, "fnPtr:", fuPtr, "so_offset:", offset, "at :", so_name);
} else {
var so_name = "libjiagu_kn.so";
if (parseInt(fnPtr_ptr) > parseInt(module_base)) {
offset = fnPtr_ptr.sub(module_base);
} else {
offset = module_base.sub(fnPtr_ptr);
}
if (parseInt(offset) > parseInt(new_so_size)) {
offset = fnPtr_ptr.sub(5);
fnPtr_ptr = Memory.readPointer(offset);
offset = fnPtr_ptr.sub(module_base);
if (parseInt(offset) > parseInt(new_so_size)) {
fnPtr_ptr = Memory.readPointer(methods_ptr.add(i * 12 + 8));
} else {
console.log("Find shellcode,fix fuPtr!");
}
fuPtr = fnPtr_ptr.sub(1);
offset = fnPtr_ptr.sub(module_base);
fnPtr_ptr = Memory.readPointer(methods_ptr.add(i * 12 + 8));
console.log("[RegisterNatives] java_class:", class_name, "name:", name, "sig:", sig, "shell_Jump_Ptr:", fnPtr_ptr, "fnPtr:", fuPtr, "so_offset:", offset, "at :", so_name);
} else {
offset = fnPtr_ptr.sub(module_base);
console.log("[RegisterNatives] java_class:", class_name, "name:", name, "sig:", sig, "fnPtr:", fuPtr, "so_offset:", offset, "at :", so_name);
}
}
if(name == "onCreate"){
var jiagu_vmp_info = class_name +"/"+ name;
jiagu_vmp.push(jiagu_vmp_info);
console.log("find dex Methon onCreate code vmp in ",jiagu_vmp_info);
console.log("ocCreate code vmp info:\n",JSON.stringify(jiagu_vmp));
}
fuPtr = fnPtr_ptr.sub(1);
if (JSON.stringify(JNI_RegisterNatives_array).indexOf(JSON.stringify(fuPtr)) == -1) {
JNI_RegisterNatives_array.push(fuPtr);
JNI_RegisterNatives_array.push(name);
var func_addr = fnPtr_ptr;
var dex_code_len = 0;
var opcode_base = null;
var get_vmp_data_base = 0;
var temp = 0;
Interceptor.attach(func_addr, {
onEnter: function (args) {
var context_r = this.returnAddress;
var context_pc = JSON.stringify(this.context["pc"]);
console.log("Call_address:", context_r, "fun_address:", context_pc);
var pc_add = context_pc.replace(/\"/g, "");
for (var j = 0; j < JNI_RegisterNatives_array.length; j++) {
if (JNI_RegisterNatives_array[j] == pc_add) {
this.funname = undefined;
if (JSON.stringify(hook_call_addr).indexOf(JSON.stringify(context_pc)) == -1) {
hook_call_addr.push(context_r);
console.log("Call_fun_begin-->", JNI_RegisterNatives_array[j + 1]);
if(jiagu_sdk.indexOf(JNI_RegisterNatives_array[j + 1])== -1){
jiagu_sdk.push(JNI_RegisterNatives_array[j + 1]);
}
console.log("fun_key0:", this.context.r0);
console.log("fun_key1:", this.context.r1);
console.log("fun_key2:", this.context.r2);
k = 1;
this.funname = JNI_RegisterNatives_array[j + 1];
if(this.funname == "onCreate"){
console.log("====================================================================");
console.log("onCreate VMP begin!");
// str_flag = 11;
GetOpcode_flag = 1;
if (vmp_fun_addr != 0 && vmp_hook == null) {
name = "vmp_fun";
JNI_RegisterNatives_array.push(vmp_fun_addr);
JNI_RegisterNatives_array.push(name);
Interceptor.attach(ptr(vmp_fun_addr), {
onEnter: function (args) {
if (GetOpcode_flag == 1) {
if (get_vmp_data_base == 0) {
var data_base = Memory.readPointer(ptr(this.context.r9));
var dex_info = Process.getModuleByAddress(data_base);
var data_offset = data_base.sub(dex_info.base);
var dex_vmp_data_len = Memory.readPointer(data_base.sub(4));
console.log("dex name is :", dex_info.name);
console.log("vmp data base is:", data_base, "offset:", data_offset);
console.log("vmp data len is :",ptr(parseInt(dex_vmp_data_len)*2));
console.log(hexdump(data_base,{length:parseInt(dex_vmp_data_len)*2}));
console.log("");
get_vmp_data_base = 1;
var xor_key = this.context.r1;
var data_buf = Memory.readPointer(ptr(this.context.r9));
var vmp_opcode_index = Memory.readPointer(data_buf);
vmp_opcode_index = vmp_opcode_index & 0xFFFF;
xor_key = vmp_opcode_index ^ xor_key ;
console.log("vmp dex data xor key is :",ptr(xor_key));
}
var data_buff = Memory.readPointer(ptr(this.context.r9));
var vmp_opcode_data = Memory.readPointer(data_buff);
vmp_opcode_data = vmp_opcode_data & 0xFF;
var vmp_opcode_index = this.context.r1;
vmp_opcode_index = vmp_opcode_index & 0xFF;
console.log("");
console.log("vmp fun data is :\n", hexdump(data_buff,{length:0x10}));
console.log("vmp opcode data is :",ptr(vmp_opcode_data));
vmp_dex_data.push(ptr(vmp_opcode_data));
console.log("vmp opcode index is :",ptr(vmp_opcode_index));
vmp_opcode_index_v.push(ptr(vmp_opcode_index));
dex_code_len = parseInt(this.context.r2)- temp;
temp = parseInt(this.context.r2);
}
},
onLeave:function (retval) {
if(GetOpcode_flag == 1){
console.log("vmp opcode is:",ptr(this.context.r0));
vmp_opcode_v.push(ptr(this.context.r0));
console.log("dex code len :",dex_code_len);
vmp_code_len.push(dex_code_len);
console.log("");
}
}
})
}
vmp_hook = 1;
}
}
}
}
},
onLeave: function (retval) {
if (this.funname != undefined) {
console.log("Call_fun_end-->", this.funname);
if(this.funname == "onCreate"){
console.log("The onCreate VMP end!");
console.log("");
console.log("The onCreate VMP run info :");
console.log("vmp_opcode_data :\n",vmp_dex_data);
console.log("vmp_opcode_index_v:\n",vmp_opcode_index_v);
console.log("vmp_opcode_v:\n",vmp_opcode_v);
console.log("vmp_code_len:\n",vmp_code_len);
console.log("====================================================================");
str_flag = 0;
GetOpcode_flag = 0;
get_vmp_data_base = 0;
temp = 0;
vmp_opcode_index_v = [];
vmp_opcode_v = [];
vmp_code_len = [];
vmp_dex_data = [];
}
k = 0;
}
}
})
}
}
},
onLeave: function (retval) {
}
});
}
ishook_libart = true;
}hook_libart();/*
Get xxxjiagu info Script by fxyang
辛丑年正月初一
*/
var ishook_libart = false;
var new_so_base = 0;
var new_so_size = 0;
var JNI_RegisterNatives_array = [];
var jiagu_sdk = [];
var hook_call_addr = [];
var jiagu_vmp = [];
var addrmemcpy = Module.findExportByName("libc.so", "memcpy");
var addrmalloc = Module.findExportByName("libc.so", "malloc");
var addrmmap = Module.findExportByName("libc.so", "mmap");
var mprotect = Module.findExportByName("libc.so", "mprotect");
var addrstrstr = Module.findExportByName("libc.so", "strstr");
var addrstrlen = Module.findExportByName("libc.so", "strlen");
var addrdlopen = Module.findExportByName("libc.so","dlopen");
var addruncompress = Module.findExportByName('libz.so', 'uncompress');
var addrpthread_create = Module.findExportByName("libc.so", "pthread_create");
var addrstrdup = Module.findExportByName("libc.so","strdup");
var k = 1;
var new_so_dump = 0;
var n = 0;
var str_flag = 0;
var up_flag = 0;
var app_activity = 0;
var App_Activity_str = "";
var App_Activity = "";
var dex_up_flag = 0;
var jiagu_end = 0;
var packname_flag = 1;
var pkg_name ="";
var pathDir = "";
var so_dump = 0;
var oat_dump = 0;
var so_data_k = 0;
var new_so_pht = 0;
var new_so_dyn = 0;
var new_so_pltrel = 0;
var new_so_dynrel = 0;
var new_so_pltrel_size = 0;
var vmp_fun_addr = 0;
function get_pkg_dir() { var fileclass = Java.use("java.io.File");
var mysavePath = "/data/data/" + pkg_name + "/mydump";
pathDir = fileclass.$new(mysavePath);
if (!pathDir.exists()) {
pathDir.mkdirs();
}
}function find_vmp_fun() { // 这个函数过于敏感，故隐去代码，需要的自己去获取vmp主函数地址填充。
vmp_fun_addr = 0;
}if (mprotect != 0) {
Interceptor.attach((mprotect), {
onEnter: function (args) {
if (up_flag == 1) {
// get new so base and size
if (args[1] > 0x10000) {
new_so_base = args[0];
new_so_size = args[1];
console.log("new_so_base:", new_so_base, "base_size:", new_so_size);
up_flag = 0;
new_so_dump = 1;
}
}
if (dex_up_flag == 1) {
if (args[2] == 7) {
var oat_base = args[0];
var oat_size = parseInt(args[1]);
console.log('find oat addr is', oat_base, "oat size is ", oat_size);
var file_path = pathDir + "/dump_" + oat_base.toString() + ".oat";
var file_handle = new File(file_path, "wb");
if (file_handle) {
Memory.protect(ptr(oat_base), oat_size, 'rwx');
var oat_buffer = ptr(oat_base).readByteArray(oat_size);
file_handle.write(oat_buffer);
file_handle.flush();
file_handle.close();
console.log("[dump oat in]:" + file_path);
}
oat_dump += 1;
}
}
}
})
}if (addruncompress != 0) {
Interceptor.attach((addruncompress), {
onEnter: function (args) {
if (new_so_base == 0) {
up_flag = 1;
n = 1;
}
}
})
}if (addrstrlen != 0) {
Interceptor.attach((addrstrlen), {
onEnter: function (args) {
if (str_flag == 11) {
var str_len = Memory.readCString(args[0]);
if (str_len.length > 10){
console.log("string len is",str_len);
}
}
if (app_activity == 1){
// Get APP Activity Entry
if (Memory.readCString(args[0]) == "activityName"){
console.log("App_Application_Entry is:",App_Activity_str);
app_activity = 0;
App_Activity = App_Activity_str;
}
App_Activity_str = Memory.readCString(args[0]);
dex_up_flag = 0;
str_flag = 0;
}
if(jiagu_end == 1){
console.log("================== The APP xxx jiagu info ==================");
console.log("");
console.log("App_Application_Entry is:",App_Activity);
console.log("dump save path is ", pathDir);
if(so_dump == 1){
console.log("xxx_jiagu_so dump over");
}
if(oat_dump > 0){
console.log("The App oat_dex dump:",oat_dump);
}
if (JSON.stringify(jiagu_sdk).indexOf(JSON.stringify("onCreate")) != -1){
console.log("The App find ocCreate VMP");
}
if (JSON.stringify(jiagu_sdk).indexOf(JSON.stringify("interface11"))!= -1){
console.log("The App find interface11 sdk!");
}
if(JSON.stringify(jiagu_sdk).indexOf(JSON.stringify("mark"))!= -1){
console.log("The App find mark sdk!");
}
console.log("");
console.log("======================= xxx jiagu end =======================");
jiagu_end = 0;
}
}
})
}if (addrstrdup != 0) {
Interceptor.attach((addrstrdup), {
onEnter: function (args) {
if (k == 1) {
var str = Memory.readCString(args[0]);
console.log("copy string is :", str);
if (packname_flag == 1){
if(str.startsWith("/data/app/com")){
var pkg_name_str = str.split("/")[3];
pkg_name = pkg_name_str.split("-")[0];
console.log("pkg_name is:", pkg_name);
packname_flag = 0;
get_pkg_dir();
}
}
}
}
})
}if (addrstrstr != 0) {
Interceptor.attach((addrstrstr), {
onEnter: function (args) {
if (str_flag == 1) {
var str = Memory.readCString(args[0]);
var str1 = Memory.readCString(args[1]);
console.log("string in str :", str,str1);
}
}
})
}if (addrmemcpy != 0) {
Interceptor.attach((addrmemcpy), {
onEnter: function (args) {
if (new_so_dump == 1) {
var file_path = pathDir + "/dump_knso_" + new_so_base + ".so";
var file_handle = new File(file_path, "wb");
if (file_handle) {
Memory.protect(ptr(new_so_base), parseInt(new_so_size), 'rwx');
var oat_buffer = ptr(new_so_base).readByteArray(parseInt(new_so_size));
file_handle.write(oat_buffer);
file_handle.flush();
file_handle.close();
console.log("[dump kn so in]:" + file_path);
}
find_vmp_fun();
new_so_dump = 0
}
if (n == 1) {
console.log("memcpy-->src,dest,len:",args[1],args[0],args[2]);
if(args[2]== 0x100){
so_data_k = 5;
new_so_pht = args[0]
}
else if(args[2] == 0xb4){
n = 0;
var file_path = pathDir + "/dump_pht_" + new_so_pht + ".dat";
// console.log("begin save so dat!",file_path);
var file_handle = new File(file_path, "wb");
if (file_handle) {
Memory.protect(ptr(new_so_pht), 0x100, 'rwx');
var oat_buffer = ptr(new_so_pht).readByteArray(0x100);
file_handle.write(oat_buffer);
file_handle.flush();
file_handle.close();
console.log("[dump pht dat in]:" + file_path);
}
var file_path = pathDir + "/dump_dyn_" + new_so_dyn + ".dat";
var file_handle = new File(file_path, "wb");
if (file_handle) {
Memory.protect(ptr(new_so_dyn), 0xd8, 'rwx');
var oat_buffer = ptr(new_so_dyn).readByteArray(0xd8);
file_handle.write(oat_buffer);
file_handle.flush();
file_handle.close();
console.log("[dump dyn dat in]:" + file_path);
}
var file_path = pathDir + "/dump_pltrel_" + new_so_pltrel + ".dat";
var file_handle = new File(file_path, "wb");
if (file_handle) {
Memory.protect(ptr(new_so_pltrel), new_so_pltrel_size, 'rwx');
var oat_buffer = ptr(new_so_pltrel).readByteArray(new_so_pltrel_size);
file_handle.write(oat_buffer);
file_handle.flush();
file_handle.close();
console.log("[dump pltrel dat in]:" + file_path);
}
var file_path = pathDir + "/dump_dynrel_" + new_so_dynrel + ".dat";
var file_handle = new File(file_path, "wb");
if (file_handle) {
Memory.protect(ptr(new_so_dynrel), 0x4a58, 'rwx');
var oat_buffer = ptr(new_so_dynrel).readByteArray(0x4a58);
file_handle.write(oat_buffer);
file_handle.flush();
file_handle.close();
console.log("[dump dynrel dat in]:" + file_path);
}
var file_path = pathDir + "/dump_newso_" + new_so_base + ".so";
var file_handle = new File(file_path, "wb");
if (file_handle) {
Memory.protect(ptr(new_so_base), parseInt(new_so_size), 'rwx');
var oat_buffer = ptr(new_so_base).readByteArray(parseInt(new_so_size));
file_handle.write(oat_buffer);
file_handle.flush();
file_handle.close();
console.log("[dump new so in]:" + file_path);
so_dump = 1;
}
}
else if (so_data_k > 0){
if (so_data_k == 1){
var size_buff = args[0].sub(new_so_base);
new_so_size = size_buff.add(args[2]);
console.log("new_so_size is :",new_so_size);
}
else if (args[2] > 0xd0){
if (args[2] == 0xd8){
new_so_dyn = args[0];
so_data_k -= 1;
}
else if(args[2] > 0x800 && args[2] < 0x1000){
new_so_pltrel = args[0];
new_so_pltrel_size = parseInt(args[2]);
so_data_k -= 1;
}
else if (args[2] > 0x4000 && args[2] < 0x5000){
new_so_dynrel = args[0];
so_data_k -= 1;
}
else {
so_data_k -= 1;
}
}
}
}
},
onLeave: function (letval) {
}
})
}function hook_libart() { if (ishook_libart === true) {
return;
}
var symbols = Module.enumerateSymbolsSync("libart.so");
var addrCheckcakkArgs = null;
var addrGetStringUTFChars = null;
var addrNewStringUTF = null;
var addrFindClass = null;
var addrGetMethodID = null;
var addrGetStaticMethodID = null;
var addrGetFieldID = null;
var addrGetStaticFieldID = null;
var addrRegisterNatives = null;
var addrAllocObject = null;
var addrCallObjectMethod = null;
var addrGetObjectClass = null;
var addrReleaseStringUTFChars = null;
var addCallStaticObjectMethodV = null;
var addCallObjectMethodV = null;
var addCallStaticbooleanMethodV = null;
var class_name = null;
var vmp_hook = null;
var GetOpcode_flag = null;
var vmp_dex_data = [];
var vmp_opcode_index_v = [];
var vmp_opcode_v = [];
var vmp_code_len = [];
for (var i = 0; i < symbols.length; i++) {
var symbol = symbols[i];
if (symbol.name == "_ZN3art3JNI17GetStringUTFCharsEP7_JNIEnvP8_jstringPh") {
addrGetStringUTFChars = symbol.address;
console.log("GetStringUTFChars is at ", symbol.address, symbol.name);
} else if (symbol.name == "_ZN3art3JNI12NewStringUTFEP7_JNIEnvPKc") {
addrNewStringUTF = symbol.address;
console.log("NewStringUTF is at ", symbol.address, symbol.name);
} else if (symbol.name == "_ZN3art3JNI9FindClassEP7_JNIEnvPKc") {
addrFindClass = symbol.address;
console.log("FindClass is at ", symbol.address, symbol.name);
} else if (symbol.name == "_ZN3art3JNI11GetMethodIDEP7_JNIEnvP7_jclassPKcS6_") {
addrGetMethodID = symbol.address;
console.log("GetMethodID is at ", symbol.address, symbol.name);
} else if (symbol.name == "_ZN3art3JNI17GetStaticMethodIDEP7_JNIEnvP7_jclassPKcS6_") {
addrGetStaticMethodID = symbol.address;
console.log("GetStaticMethodID is at ", symbol.address, symbol.name);
} else if (symbol.name == "_ZN3art3JNI10GetFieldIDEP7_JNIEnvP7_jclassPKcS6_") {
addrGetFieldID = symbol.address;
console.log("GetFieldID is at ", symbol.address, symbol.name);
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