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misc.cpp
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bool EAC::Callbacks::EnableTSX()
{
unsigned __int64 v0; // r9
unsigned __int64 newtsx; // rax
v0 = __readmsr(0x122u);
_disable();
__writemsr(0x122u, v0 & 0xFFFFFFFFFFFFFFFEui64);// MSR_IA32_TSX_CTRL
newtsx = __readmsr(0x122u);
__writemsr(0x122u, v0); // MSR_IA32_TSX_CTRL
_enable();
return (newtsx & 1) == 0;
}
char __fastcall EAC::Memory::VMRead_Wrapper(__int64 _RCX, __int64 _RDX)
{
char v2; // cf
char v3; // zf
__asm { vmread qword ptr [rdx], rcx }
return v2 + v2 + v3;
}
char EAC::Callbacks::DetectHyperVisor()
{
char v1; // [rsp+50h] [rbp+8h] BYREF
EAC::Memory::VMRead_Wrapper(0i64, &v1);
return 1;
}
unsigned __int64 EAC::Callbacks::GetstHyperIface()
{
return __readmsr(0x40000001u); // Hypervisor interface
}
bool EAC::Callbacks::DSEFixDetection()
{
int nFlags; // ebx
_DWORD *pooltagInformation; // rax
void *v2; // rdx
unsigned int v3; // er9
unsigned int v4; // er8
_DWORD *entry; // rcx
int v6; // eax
nFlags = 0;
pooltagInformation = EAC::Callbacks::QuerySystemInformation(0x16u, 0x10000u, 0x100000u, 0i64);
v2 = pooltagInformation;
if ( pooltagInformation )
{
v3 = *pooltagInformation;
v4 = 0;
if ( *pooltagInformation )
{
entry = pooltagInformation + 3;
do
{
if ( nFlags == 3 )
break;
v6 = *(entry - 1);
if ( v6 == 'rcIC' )
{
if ( *entry > entry[1] )
nFlags |= 1u;
}
else if ( v6 == 'csIC' && *entry > entry[1] )// called by CiValidateImageHeader
{
nFlags |= 2u;
}
++v4;
entry += 10;
}
while ( v4 < v3 );
}
EAC::Memory::ExFreePool(v2);
}
else
{
nFlags = 3;
}
return nFlags == 3;
}
char __fastcall EAC::Callbacks::WriteGameCrashInfoToRegistry(PVOID ValueData)
{
// [COLLAPSED LOCAL DECLARATIONS. PRESS KEYPAD CTRL-"+" TO EXPAND]
LOBYTE(v2) = 0;
HIDWORD(v30) = 0;
v19 = 0i64;
v20 = 0i64;
v21 = 0i64;
v22 = 0i64;
v23 = 0i64;
v24 = 0i64;
v25 = 0i64;
if ( ValueData )
{
v2 = EAC::Imports::PsGetCurrentProcess();
if ( v2 == *(ValueData + 1) )
{
v3 = EAC::Imports::PsGetCurrentProcess();
v4 = EAC::Memory::ResolveImportWrapper(qword_140074158, &qword_140074158, 0i64);
LODWORD(v2) = v4 ? v4(v3) : 0xC0000002;
v28 = v2;
if ( v2 || *(ValueData + 137) )
{
v30 = MEMORY[0xFFFFF78000000014];
v5 = IoGetCurrentProcess();
v26[0] = PsGetProcessCreateTimeQuadPart(v5);
v29 = EAC::Memory::GetCurrentTime(*(ValueData + 6));
v27 = *(ValueData + 4);
RtlWriteRegistryValue(
0,
L"\\Registry\\Machine\\Software\\Wow6432Node\\EasyAntiCheat",
L"ErrRpt_GameState",
4u,
ValueData + 548,
4u);
RtlWriteRegistryValue(
0,
L"\\Registry\\Machine\\Software\\Wow6432Node\\EasyAntiCheat",
L"ErrRpt_GameCrashGameID",
4u,
ValueData,
4u);
RtlWriteRegistryValue(
0,
L"\\Registry\\Machine\\Software\\Wow6432Node\\EasyAntiCheat",
L"ErrRpt_GameCrashPID",
4u,
&v27,
4u);
RtlWriteRegistryValue(
0,
L"\\Registry\\Machine\\Software\\Wow6432Node\\EasyAntiCheat",
L"ErrRpt_GameCrashCreateTime",
0xBu,
v26,
8u);
RtlWriteRegistryValue(
0,
L"\\Registry\\Machine\\Software\\Wow6432Node\\EasyAntiCheat",
L"ErrRpt_GameCrashExitTime",
0xBu,
&v30,
8u);
RtlWriteRegistryValue(
0,
L"\\Registry\\Machine\\Software\\Wow6432Node\\EasyAntiCheat",
L"ErrRpt_GameCrashExitStatus",
4u,
&v28,
4u);
LOBYTE(v2) = RtlWriteRegistryValue(
0,
L"\\Registry\\Machine\\Software\\Wow6432Node\\EasyAntiCheat",
L"ErrRpt_GameCrashInfo01",
4u,
&v29,
4u);
v6 = *(ValueData + 23);
v7 = v6 + *(ValueData + 24);
v8 = *(ValueData + 44);
if ( v8 )
{
LOBYTE(v2) = EAC::Callbacks::IsInUsermodeAddressSpace(v8, 60i64, 1);
v9 = *(ValueData + 44);
v10 = 0i64;
v18 = 0i64;
if ( v9 )
{
for ( i = 0i64; ; ++i )
{
v26[1] = i;
if ( i >= 8 )
break;
LOBYTE(v2) = *(v9 + 4 * i + 28) ^ 0x90;
*(&v18 + i) = v2;
v10 = v18;
}
}
if ( v10 )
{
LOBYTE(v2) = EAC::Callbacks::IsInUsermodeAddressSpace(v10, 40i64, 1);
v12 = *(v10 + 24);
v13 = *(v10 + 32);
if ( v12 )
{
LOBYTE(v2) = EAC::Callbacks::IsInUsermodeAddressSpace(*(v10 + 24), 64i64, 1);
if ( *v12 )
{
RtlWriteRegistryValue(
0,
L"\\Registry\\Machine\\Software\\Wow6432Node\\EasyAntiCheat",
L"ErrRpt_GameCrashInfo02",
4u,
(v12 + 12),
4u);
RtlWriteRegistryValue(
0,
L"\\Registry\\Machine\\Software\\Wow6432Node\\EasyAntiCheat",
L"ErrRpt_GameCrashInfo03",
0xBu,
(v12 + 16),
8u);
v14 = *(v12 + 16);
if ( v14 <= v6 || v14 > v7 )
v15 = 0i64;
else
v15 = v14 - v6;
v19 = v15;
RtlWriteRegistryValue(
0,
L"\\Registry\\Machine\\Software\\Wow6432Node\\EasyAntiCheat",
L"ErrRpt_GameCrashInfo04",
0xBu,
&v19,
8u);
if ( *(v12 + 28) )
v20 = *(v12 + 32);
RtlWriteRegistryValue(
0,
L"\\Registry\\Machine\\Software\\Wow6432Node\\EasyAntiCheat",
L"ErrRpt_GameCrashInfo05",
0xBu,
&v20,
8u);
if ( *(v12 + 28) >= 2u )
v21 = *(v12 + 40);
LOBYTE(v2) = RtlWriteRegistryValue(
0,
L"\\Registry\\Machine\\Software\\Wow6432Node\\EasyAntiCheat",
L"ErrRpt_GameCrashInfo06",
0xBu,
&v21,
8u);
}
}
if ( v13 )
{
LOBYTE(v2) = EAC::Callbacks::IsInUsermodeAddressSpace(v13, 52i64, 1);
if ( *v13 )
{
RtlWriteRegistryValue(
0,
L"\\Registry\\Machine\\Software\\Wow6432Node\\EasyAntiCheat",
L"ErrRpt_GameCrashInfo07",
4u,
(v13 + 12),
4u);
v16 = *(v13 + 16);
if ( v16 )
{
v22 = *(v13 + 20);
v16 = *(v13 + 16);
}
if ( v16 >= 2 )
{
v23 = *(v13 + 28);
v16 = *(v13 + 16);
}
if ( v16 >= 3 )
{
v24 = *(v13 + 36);
v16 = *(v13 + 16);
}
if ( v16 >= 4 )
v25 = *(v13 + 44);
RtlWriteRegistryValue(
0,
L"\\Registry\\Machine\\Software\\Wow6432Node\\EasyAntiCheat",
L"ErrRpt_GameCrashInfo08",
0xBu,
&v22,
8u);
RtlWriteRegistryValue(
0,
L"\\Registry\\Machine\\Software\\Wow6432Node\\EasyAntiCheat",
L"ErrRpt_GameCrashInfo09",
0xBu,
&v23,
8u);
RtlWriteRegistryValue(
0,
L"\\Registry\\Machine\\Software\\Wow6432Node\\EasyAntiCheat",
L"ErrRpt_GameCrashInfo10",
0xBu,
&v24,
8u);
LOBYTE(v2) = RtlWriteRegistryValue(
0,
L"\\Registry\\Machine\\Software\\Wow6432Node\\EasyAntiCheat",
L"ErrRpt_GameCrashInfo11",
0xBu,
&v25,
8u);
}
}
}
}
}
}
}
return v2;
}
__int64 __fastcall EAC::Callbacks::TimingCheck()
{
__int64 v0; // r12
__int64 v1; // r13
__int64 v2; // r14
__int64 v3; // r15
__int64 v4; // r10
__int64 v5; // r11
__int64 v6; // r9
__int64 v7; // rdi
unsigned __int64 v8; // r8
unsigned __int64 v14; // rax
__int64 v15; // rbx
unsigned __int64 v16; // rcx
unsigned __int64 v17; // rax
unsigned __int64 v18; // kr00_8
_QWORD v20[17]; // [rsp-A8h] [rbp-F8h] BYREF
_QWORD v21[8]; // [rsp-20h] [rbp-70h] BYREF
__int128 v22; // [rsp+20h] [rbp-30h]
__int128 v23; // [rsp+30h] [rbp-20h]
__int64 v24; // [rsp+40h] [rbp-10h]
__int64 vars0; // [rsp+50h] [rbp+0h] BYREF
v22 = 0i64;
v24 = 0i64;
v23 = 0i64;
v4 = KeGetCurrentIrql();
__writecr8(0xFui64);
v5 = *(&v23 + 1);
v6 = v24 + 100;
v7 = v6;
do
{
v8 = __rdtsc();
_RAX = 1i64;
__asm { cpuid }
*&v22 = __PAIR64__(_RBX, _RAX);
*(&v22 + 1) = __PAIR64__(_RDX, _RCX);
v14 = __rdtsc();
v5 += ((HIDWORD(v14) << 32) | v14) - v8;
--v7;
}
while ( v7 );
v15 = v24;
*(&v23 + 1) = v5;
do
{
v16 = __rdtsc();
v17 = __rdtsc();
v15 += ((HIDWORD(v17) << 32) | v17) - v16;
--v6;
}
while ( v6 );
v24 = v15;
__writecr8(v4);
v21[3] = -1074443376i64;
v21[2] = -2003135156i64;
v18 = __readeflags();
v21[1] = v18;
v21[0] = 15i64;
v20[16] = v21;
v20[15] = HIDWORD(v17) << 32;
v20[14] = v5;
v20[13] = v4;
v20[12] = 0i64;
v20[11] = v1;
v20[10] = qword_140052A70;
v20[9] = v4;
v20[8] = v15;
v20[7] = &vars0;
v20[6] = v0;
v20[5] = 0i64;
v20[4] = v8;
v20[3] = v2;
v20[2] = v3;
v20[1] = 0i64;
v20[0] = 0i64;
return sub_1418A2D0C(v20);
}
void __fastcall EAC::Callbacks::HandleUsermodeOperation(__int64 a1, __int64 a2, _DWORD *a3)
{
// [COLLAPSED LOCAL DECLARATIONS. PRESS KEYPAD CTRL-"+" TO EXPAND]
pProcess = 0i64;
nCallbackType = 0i64;
v5 = *(a2 + 32);
if ( !v5 )
goto LABEL_49;
v6 = *(a2 + 16);
if ( v6 <= 8 )
goto LABEL_49;
if ( *(a1 + 112) != v5 )
goto LABEL_49;
if ( *(a2 + 8) != v6 )
goto LABEL_49;
EAC::Callbacks::IsInUsermodeAddressSpace(v5, v6, 1);
v7 = EAC::Memory::ExAllocatePoolWithRandomTag2(v6);
nCallbackType = v7;
if ( !v7 )
goto LABEL_49;
EAC::Memory::memmove(v7, v5, v6);
pProcess = EAC::Memory::GetPEPROCESS(*(nCallbackType + 4));
if ( !pProcess )
goto LABEL_49;
EAC::Imports::PsGetCurrentProcess();
if ( !sub_140012D18() )
goto LABEL_49;
if ( *nCallbackType == 1 )
{
if ( v6 != 40 )
goto LABEL_49;
v12 = EAC::Memory::AllocateMemoryInProcess(pProcess[1], nCallbackType);
}
else if ( *nCallbackType == 2 )
{
if ( v6 != 40 )
goto LABEL_49;
v12 = sub_140045628(pProcess[1], nCallbackType);
}
else if ( *nCallbackType == 3 )
{
if ( v6 != 40 )
goto LABEL_49;
v12 = sub_14004573C(pProcess[1], nCallbackType);
}
else if ( *nCallbackType == 4 )
{
if ( v6 != 32 )
goto LABEL_49;
v12 = EAC::Memory::ProtectMemoryInProcess(pProcess[1], nCallbackType);
}
else if ( *nCallbackType == 5 )
{
if ( v6 != 28 )
goto LABEL_49;
v12 = EAC::Memory::FreeMemoryInProcess(pProcess[1], nCallbackType);
}
else
{
if ( *nCallbackType != 6 )
{
if ( *nCallbackType == 7 )
{
if ( v6 != 36 )
goto LABEL_49;
v8 = pProcess[1];
v9 = 0;
v15 = 0i64;
if ( !v8 )
goto LABEL_25;
if ( !*(nCallbackType + 8) || !*(nCallbackType + 20) || !*(nCallbackType + 28) )
goto LABEL_49;
if ( !EAC::Callbacks::KeStackAttachProcess(v8, v13) )
goto LABEL_25;
if ( EAC::Imports::ZwQueryVirtualMemory(
-1i64,
*(nCallbackType + 8),
*(nCallbackType + 16),
*(nCallbackType + 20),
*(nCallbackType + 28),
&v15) >= 0 )
{
*(nCallbackType + 32) = v15;
v9 = 1;
}
}
else
{
if ( *nCallbackType != 8 || v6 != 36 )
goto LABEL_49;
v8 = pProcess[1];
v9 = 0;
if ( !v8 )
goto LABEL_25;
if ( !*(nCallbackType + 12) || !*(nCallbackType + 20) || !*(nCallbackType + 24) || *(nCallbackType + 32) )
goto LABEL_49;
if ( !EAC::Callbacks::KeStackAttachProcess(v8, v13) )
goto LABEL_25;
v9 = EAC::Imports::NtSetInformationVirtualMemory(
v10,
*(nCallbackType + 8),
*(nCallbackType + 20),
*(nCallbackType + 12),
*(nCallbackType + 24),
*(nCallbackType + 32)) >= 0;
}
EAC::Callbacks::KeUnstackDetachProcess(v8, v13);
LABEL_25:
v11 = !v9;
goto LABEL_47;
}
if ( v6 != 36 )
goto LABEL_49;
v12 = EAC::Memory::ZwFlushVirtualMemoryWrapper(pProcess[1], nCallbackType);
}
v11 = v12 == 0;
LABEL_47:
if ( !v11 )
{
EAC::Memory::memmove(v5, nCallbackType, v6);
*a3 = v6;
}
LABEL_49:
if ( nCallbackType )
EAC::Memory::ExFreePool(nCallbackType);
if ( pProcess )
EAC::Memory::ReleasePEPROCESS(pProcess);
}
bool __fastcall EAC::Callbacks::CheckForPhysicalHandle(__int64 a1)
{
// [COLLAPSED LOCAL DECLARATIONS. PRESS KEYPAD CTRL-"+" TO EXPAND]
if ( !a1 )
return 0;
v2 = qword_140073320 == 0;
*a1 = 0i64;
*(a1 + 16) = 0i64;
if ( v2 || _InterlockedCompareExchange(&dword_140074238, 1, 0) )
return 0;
v3 = EAC::Callbacks::QuerySystemInformation(0x10u, 0x80000u, 0x1000000u, 0i64);
if ( !v3 )
goto LABEL_41;
v21[0] = 1916479917;
v22 = 7074;
v4 = 44i64;
v21[1] = -1077771171;
*&physMemDecrypted[2] = 0i64;
DWORD2(physMemDecrypted[2]) = 0;
v5 = 1920936433;
WORD6(physMemDecrypted[2]) = 0;
v6 = 0i64;
v21[2] = -456920151;
v21[3] = 1354280435;
v21[4] = -1213991906;
v21[5] = -252238082;
v21[6] = -16337681;
v21[7] = 1002680223;
v21[8] = 38635846;
v21[9] = -1183450918;
v21[10] = -1816555846;
physMemDecrypted[0] = 0i64;
physMemDecrypted[1] = 0i64;
v29 = v21;
v30 = physMemDecrypted;
do
{
*(v30 + v6 * 4) = v29[v6] ^ v5;
++v6;
v5 = __ROR4__(((v5 ^ (v5 << 13)) >> 17) ^ v5 ^ (v5 << 13) ^ (32 * (((v5 ^ (v5 << 13)) >> 17) ^ v5 ^ (v5 << 13))), 1);
}
while ( v6 < 11 );
v29 = v21;
v30 = physMemDecrypted;
do
{
v7 = v5;
v5 >>= 8;
*(v30 + v4) = *(v29 + v4) ^ v7;
++v4;
}
while ( v4 < 0x2E );
EAC::Memory::InitializeUnicodeStringWithCString(szPhysMem, physMemDecrypted);// \Device\PhysicalMemory
ObjectAttributes.Length = 48;
ObjectAttributes.ObjectName = szPhysMem;
ObjectAttributes.RootDirectory = 0i64;
ObjectAttributes.Attributes = 576;
*&ObjectAttributes.SecurityDescriptor = 0i64;
if ( ZwOpenSection(&SectionHandle, 1u, &ObjectAttributes) >= 0 )
{
v8 = EAC::Imports::ObReferenceObjectByHandle(SectionHandle, 1u, 0i64, 0, &EAC::Globals::Object, 0i64);
v9 = EAC::Globals::Object;
if ( v8 < 0 )
v9 = 0i64;
EAC::Globals::Object = v9;
ZwClose(SectionHandle);
}
v10 = 0i64;
memset(physMemDecrypted, 0, 0x2Eui64);
if ( !*v3 )
goto LABEL_37;
sectionObjectType = EAC::Globals::Object;
v12 = (v3 + 2);
v13 = 0;
while ( 1 )
{
if ( v12[1] != sectionObjectType || !sectionObjectType || *v12 == 4 )
goto LABEL_21;
v14 = *(v12 + 3);
v15 = EAC::Memory::ResolveImportWrapper(qword_140073D58, &qword_140073D58, 0i64);
if ( !v15 || !v15(v14) )
break;
sectionObjectType = EAC::Globals::Object;
LABEL_21:
++v10;
v12 += 3;
if ( v10 >= *v3 )
goto LABEL_38;
}
v16 = EAC::Memory::GetProcessImageFilename(*v12, v24);
if ( v16 )
v13 = sub_140021608(v24, v26);
v17 = -v13;
v18 = (v26 & -(v17 != 0));
if ( !*(a1 + 4) )
{
*a1 = 1;
*(a1 + 4) = 13;
if ( v18 )
{
if ( *((v26 & -(v17 != 0)) + 8) && *v18 && *((v26 & -(v17 != 0)) + 2) && !*(a1 + 8) )
{
if ( a1 == 0xFFFFFFFFFFFFFFF0ui64 )
v19 = 0;
else
v19 = EAC::Memory::AllocateCopyUnicodeString(a1 + 0x10, v18, *v18);
*(a1 + 8) = v19;
}
}
}
if ( v16 )
EAC::Memory::FreeUnicdeString(v24);
LABEL_37:
sectionObjectType = EAC::Globals::Object;
LABEL_38:
if ( sectionObjectType )
{
ObfDereferenceObject(sectionObjectType);
EAC::Globals::Object = 0i64;
}
EAC::Memory::ExFreePool(v3);
LABEL_41:
_InterlockedExchange(&dword_140074238, 0);
return *(a1 + 4) != 0;
}