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This commit is contained in:
lhodges1 2023-08-27 01:48:50 +10:00
parent 5f90ddc085
commit f937827ba9
2 changed files with 88 additions and 8 deletions
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97
driver/pool.c
View file

@ -4,6 +4,8 @@
#include <intrin.h>
PPHYSICAL_MEMORY_RANGE physical_memory_ranges = NULL;
PKDDEBUGGER_DATA64 GetGlobalDebuggerData()
{
CONTEXT context = { 0 };
@ -54,19 +56,68 @@ VOID ScanPageForProcessAllocations(
if ( !PageBase || !PageSize )
return;
CHAR process[ 4 ] = { 'Proc' };
DEBUG_LOG( "1: %hhx, 2: %hhx, 3: %hhx, 5: %hhx", process[ 0 ], process[ 1 ], process[ 2 ], process[ 3 ] );
__debugbreak();
CHAR process[] = "\x50\x72\x6F\x63";
INT length = strlen( process );
BOOLEAN found = TRUE;
for ( INT offset = 0; offset < PageSize; offset++ )
{
if ( !MmIsAddressValid( PageBase + offset ) )
continue;
CHAR current_char = *( PCHAR )( PageBase + offset );
for ( INT sig_index = 0; sig_index < length; sig_index++ )
{
if ( !MmIsAddressValid( PageBase + offset + sig_index ) )
{
found = FALSE;
break;
}
//CHAR current_char = *( PCHAR )( PageBase + offset + sig_index );
//CHAR current_sig_byte = process[ sig_index ];
//if ( current_char != current_sig_byte )
//{
// found = FALSE;
// break;
//}
}
//if ( found )
//{
// PPOOL_HEADER pool_header = PageBase + offset - POOL_TAG_SIZE;
// DEBUG_LOG( "Maybe found: %llx", ( UINT64 )pool_header );
// if ( pool_header->PoolType & POOL_FLAG_NON_PAGED &&
// pool_header->PoolTag == 0x636f7250 )
// {
// DEBUG_LOG( "FOUND POOL at: %llx", ( UINT64 )pool_header );
// break;
// }
//}
}
}
VOID GetPhysicalMemoryRanges()
{
physical_memory_ranges = MmGetPhysicalMemoryRanges();
}
BOOLEAN IsPhysicalAddressInPhysicalMemoryRange(
_In_ UINT64 PhysicalAddress,
_In_ PPHYSICAL_MEMORY_RANGE PhysicalMemoryRanges
)
{
ULONG page_index = 0;
while ( PhysicalMemoryRanges[ page_index ].NumberOfBytes.QuadPart != NULL )
{
UINT64 start_address = PhysicalMemoryRanges[ page_index ].BaseAddress.QuadPart;
UINT64 end_address = start_address + PhysicalMemoryRanges[ page_index ].NumberOfBytes.QuadPart;
if ( PhysicalAddress >= start_address && PhysicalAddress <= end_address )
return TRUE;
}
return FALSE;
}
/*
@ -110,6 +161,24 @@ VOID WalkKernelPageTables()
UINT64 base_virtual_page;
PHYSICAL_ADDRESS physical;
VOID GetPhysicalMemoryRanges();
//if ( physical_memory_ranges == NULL )
//{
// DEBUG_ERROR( "Failed to get physical memory ranges" );
// return;
//}
PPHYSICAL_MEMORY_RANGE test = MmGetPhysicalMemoryRangesEx2( NULL, NULL );
if ( test == NULL )
{
DEBUG_ERROR( "LOL stupid cunt not working" );
return;
}
DEBUG_LOG( "Test: %llx", ( UINT64 )test );
cr3.BitAddress = __readcr3();
physical.QuadPart = cr3.Bits.PhysicalAddress << PAGE_4KB_SHIFT;
@ -186,6 +255,16 @@ VOID WalkKernelPageTables()
base_virtual_page = MmGetVirtualForPhysical( physical );
/* stupid fucking intellisense error GO AWAY! */
if ( base_virtual_page == NULL || !MmIsAddressValid( base_virtual_page ) )
continue;
if ( base_virtual_page < 0xfffff80000000000 && base_virtual_page > 0xffffffffffffffff )
continue;
if ( IsPhysicalAddressInPhysicalMemoryRange( physical.QuadPart, test ) == FALSE )
continue;
ScanPageForProcessAllocations( base_virtual_page, PAGE_BASE_SIZE );
}
}

1
driver/pool.h
View file

@ -12,6 +12,7 @@
#define PT_ENTRY_COUNT 512
#define PAGE_BASE_SIZE 0x1000
#define POOL_TAG_SIZE 0x004
/* creds: https://www.unknowncheats.me/forum/2602838-post2.html */