-
-
[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 9238
-
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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