Saverr/spotifykeydumper
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Block Spotify updates

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This commit is contained in:
_ 2020-12-13 16:12:44 -07:00
parent 65dfe76258
commit a09cd4195e
1 changed files with 116 additions and 11 deletions
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127
SpotifyKeyDumper/Hooks.cpp
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@ -40,6 +40,12 @@ isValidUrl_v25 isValidUrl_v25_hook = nullptr;
typedef int (__cdecl* getBitrate_v25)(int quality);
getBitrate_v25 getBitrate_v25_hook = nullptr;
typedef int (__cdecl* impDecFunc_v47)(DWORD* keyLE, int intOne, DWORD* iv, int* a4);
impDecFunc_v47 impDecFunc_v47_hook = nullptr;
typedef int (__thiscall* sttngsLkp_v48)(void* This, char* strLookup, size_t len);
sttngsLkp_v48 sttngsLkp_v48_hook = nullptr;
std::string authToken = std::string();
std::string keyStr = std::string();
std::string uriStr = std::string();
@ -377,6 +383,9 @@ int __cdecl getBitrate_hook_v25(int quality)
case 4:
qualityStr = "Very High";
break;
case 5:
qualityStr = "700k";
break;
}
if (!hasAlertedQuality && quality != 2 && quality != 3)
@ -415,15 +424,85 @@ char* GetKeyFuncAddrV27()
return (char*)0x01068F20;
}
/*
This will return addrOne if addrOneByte matches the BYTE at addrOne, or return addrTwo if not
*/
char* GetKeyFunc(char* addrOne, char* addrTwo, BYTE addrOneByte)
{
if (*(BYTE*)addrOne == addrOneByte)
return addrOne;
return addrTwo;
char* srUrlChars;
void __cdecl printSRUrl()
{
std::string testStr = std::string(srUrlChars, 95); // 104
std::cout << "Storage Resolve URL: " << testStr << std::endl;
}
__declspec(naked) void testSMHook()
{
__asm
{
pushfd // Push flags and registers to stack to preserve state before
pushad
mov ebx, [eax]
mov eax, offset srUrlChars // Get address from char pointer testStr
mov edi, [eax]
mov cx, 24 // Iterate 24 times (copy 4 bytes each time = 96 bytes total)
COPY_LOOP:
mov eax, [ebx]
mov [edi], eax
add ebx, 4
add edi, 4
dec cx
jnz COPY_LOOP
call printSRUrl // Set keyStr to chars from keyBuffer_v47 (and print key)
popad // Pop flags and registers back from the stack to preserve state before
popfd
jmp keyDecoder_v47_hook // Jump to trampoline function to run overwritten instructions and continue
}
}
constexpr BYTE IV[] = {0x72, 0xE0, 0x67, 0xFB, 0xDD, 0xCB, 0xCF, 0x77, 0xEB, 0xE8, 0xBC, 0x64, 0x3F, 0x63, 0x0D, 0x93};
int __cdecl impDecFunc_hook_v47(DWORD* keyLE, int intOne, DWORD* iv, int* a4)
{
if (/*intOne == 0xA &&*/ !Utils::BadPtr(iv) && memcmp(IV, iv, 16) == 0)
{
// Swap endianness of key by 4 bytes each (+1 int; 16 total)
unsigned long keyBE[4] = {};
keyBE[0] = _byteswap_ulong(*keyLE);
keyBE[1] = _byteswap_ulong(*(keyLE + 1));
keyBE[2] = _byteswap_ulong(*(keyLE + 2));
keyBE[3] = _byteswap_ulong(*(keyLE + 3));
printf("===============================================================================\n");
std::cout << "Key: " << Utils::HexString((BYTE*) keyBE, 16) << std::endl;
std::cout << "IV: " << Utils::HexString((BYTE*) iv, 16) << std::endl;
printf("===============================================================================\n");
}
return impDecFunc_v47_hook(keyLE, intOne, iv, a4);
}
int __fastcall sttngsLkp_hook_v48(void* This, void* _EDX, char* strLookup, size_t len)
{
char* tmpStr;
if (!Utils::BadPtr(strLookup))
{
tmpStr = strLookup;
// Some strLookup's are double pointers
if (!Utils::BadPtr((char*)*(DWORD*)strLookup))
tmpStr = (char*)*(DWORD*)strLookup;
if (memcmp(tmpStr, "app-developer", 13) == 0)
return 2;
else if (memcmp(tmpStr, "employee", 8) == 0 || memcmp(tmpStr, "ta-environment", 14) == 0
|| memcmp(tmpStr, "desktop-beta-tester", 19) == 0 || memcmp(tmpStr, "PLACEHOLDER", 11) == 0)
return 1;
}
return sttngsLkp_v48_hook(This, strLookup, len);
}
void Hooks::Init()
@ -461,13 +540,13 @@ void Hooks::Init()
case 45:
keyToLE_v28_hook = (keyToLE_v28)Utils::TrampHook32((char*)0x010CF780, (char*)keyToLE_hook_v28, 6);
authToken_v45_hook = (authToken_v45)Utils::TrampHook32((char*)0x00BF75F0, (char*)authToken_hook_v45, 7);
//openTrack_v45_hook = (openTrack_v45)Utils::TrampHook32((char*)0x00CA5740, (char*)openTrack_hook_v45, 5);
log_v45_hook = (log_v45)Utils::TrampHook32((char*)0x010F2370, (char*)log_hook_v45, 5);
fileIdWriter_v45_hook = (fileIdWriter_v45)Utils::TrampHook32((char*)0x00CBB560, (char*)fileIdWriter_hook_v45,
5);
signalEmitter_v45_hook = (signalEmitter_v45)Utils::TrampHook32((char*)0x00B095A0, (char*)signalEmitter_hook_v45,
5); // 00E48410
5);
getBitrate_v25_hook = (getBitrate_v25)Utils::TrampHook32((char*)0x00E48410, (char*)getBitrate_hook_v25, 6);
startUpdate_v47_hook = (startUpdate_v47)Utils::TrampHook32((char*)0x00A0B250, (char*)startUpdate_hook_v47, 5);
break;
case 46:
keyToLE_v28_hook = (keyToLE_v28)Utils::TrampHook32((char*)0x010C2FB0, (char*)keyToLE_hook_v28, 6);
@ -478,6 +557,7 @@ void Hooks::Init()
signalEmitter_v45_hook = (signalEmitter_v45)Utils::TrampHook32((char*)0x00B02270, (char*)signalEmitter_hook_v45,
5);
getBitrate_v25_hook = (getBitrate_v25)Utils::TrampHook32((char*)0x00E3C780, (char*)getBitrate_hook_v25, 6);
startUpdate_v47_hook = (startUpdate_v47)Utils::TrampHook32((char*)0x00A03020, (char*)startUpdate_hook_v47, 5);
break;
case 47:
keyBuffer_v47 = new char[16]; // 128 bits = 16 bytes
@ -490,9 +570,34 @@ void Hooks::Init()
signalEmitter_v45_hook = (signalEmitter_v45)Utils::TrampHook32((char*)0x00AFBB50, (char*)signalEmitter_hook_v45,
5);
getBitrate_v25_hook = (getBitrate_v25)Utils::TrampHook32((char*)0x00E3E460, (char*)getBitrate_hook_v25, 6);
//startUpdate_v47_hook = (startUpdate_v47)Utils::TrampHook32((char*)0x009FB530, (char*)startUpdate_hook_v47, 5);
startUpdate_v47_hook = (startUpdate_v47)Utils::TrampHook32((char*)0x009FB530, (char*)startUpdate_hook_v47, 5);
//uriHandler_v47_hook = (uriHandler_v47)Utils::TrampHook32((char*)0x010A39E0, (char*)uriHandler_hook_v47, 5);
//isValidUrl_v25_hook = (isValidUrl_v25)Utils::TrampHook32((char*)0x0105CD80, (char*)isValidUrl_hook_v25, 6);
//impDecFunc_v47_hook = (impDecFunc_v47)Utils::TrampHook32((char*)0x010C52F0, (char*)impDecFunc_hook_v47, 6);
break;
case 48:
printf("Downloading are not currently supported on 1.1.48. Please use 1.1.47.\n");
//keyBuffer_v47 = new char[16]; // 128 bits = 16 bytes
keyToLE_v28_hook = (keyToLE_v28)Utils::TrampHook32((char*)0x010E0200, (char*)keyToLE_hook_v47, 6); // Not called
//keyDecoder_v47_hook = (keyDecoder_v47)Utils::TrampHook32((char*)0x0153148D, (char*)keyDecoder_hook_v47, 7);
authToken_v45_hook = (authToken_v45)Utils::TrampHook32((char*)0x00BF7B50, (char*)authToken_hook_v45, 7);
log_v45_hook = (log_v45)Utils::TrampHook32((char*)0x011030E0, (char*)log_hook_v45, 5);
fileIdWriter_v45_hook = (fileIdWriter_v45)Utils::TrampHook32((char*)0x00CBCA60, (char*)fileIdWriter_hook_v45,
5);
signalEmitter_v45_hook = (signalEmitter_v45)Utils::TrampHook32((char*)0x00B02B70, (char*)signalEmitter_hook_v45,
5);
getBitrate_v25_hook = (getBitrate_v25)Utils::TrampHook32((char*)0x00E54D00, (char*)getBitrate_hook_v25, 6);
startUpdate_v47_hook = (startUpdate_v47)Utils::TrampHook32((char*)0x009FD9E0, (char*)startUpdate_hook_v47, 5);
//isValidUrl_v25_hook = (isValidUrl_v25)Utils::TrampHook32((char*)0x01077370, (char*)isValidUrl_hook_v25, 6);
// Dump song manifest URL
//testChars = new char[104];
//keyDecoder_v47_hook = (keyDecoder_v47)Utils::TrampHook32((char*)0x00EE081A, (char*)testSMHook, 5);
// Not called :(
//impDecFunc_v47_hook = (impDecFunc_v47)Utils::TrampHook32((char*)0x010DF9F0, (char*)impDecFunc_hook_v47, 6);
sttngsLkp_v48_hook = (sttngsLkp_v48)Utils::TrampHook32((char*)0x0056A7E0, (char*)sttngsLkp_hook_v48, 5);
break;
}
}