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authorsegfault <toni@impl.cc>2021-01-11 13:24:35 +0100
committersegfault <toni@impl.cc>2021-01-11 13:24:35 +0100
commit89ec896bede35949a43a41e779aadb11fe16f9a2 (patch)
tree5edea9bf65457340d2891d2864233b6f4a40c943 /KMemDriver
parent0ede1cd40edc539764de998e373acd57f87403f1 (diff)
Added new MemDriverLib functions to determine if a page is freed/reserved.
* added PAGES/RPM tests * increased memory for ZwQuerySystemInformation in GetProcesses
Diffstat (limited to 'KMemDriver')
-rw-r--r--KMemDriver/KMemDriver.c9
1 files changed, 5 insertions, 4 deletions
diff --git a/KMemDriver/KMemDriver.c b/KMemDriver/KMemDriver.c
index f574e17..edcf834 100644
--- a/KMemDriver/KMemDriver.c
+++ b/KMemDriver/KMemDriver.c
@@ -179,6 +179,7 @@ NTSTATUS GetProcesses(OUT PROCESS_DATA* procs, IN OUT SIZE_T* psiz)
return status;
}
+ mem_needed += 16 * sizeof(SYSTEM_PROCESS_INFORMATION);
if (mem_needed / sizeof(SYSTEM_PROCESS_INFORMATION) > max_siz / sizeof(PROCESS_DATA)) {
KDBG("NtQuerySystemInformation buffer too small\n", status);
return STATUS_BUFFER_TOO_SMALL;
@@ -554,11 +555,11 @@ NTSTATUS KRThread(IN PVOID pArg)
}
ULONG new_prot = PAGE_EXECUTE_READWRITE, old_prot = 0;
KeProtectVirtualMemory(lastPROC, rr->Address, rr->SizeReq, new_prot, &old_prot);
- KDBG("RPM to 0x%p size 0x%X bytes (protection before/after: 0x%X/0x%X)\n",
- rr->Address, rr->SizeReq, old_prot, new_prot);
rr->StatusRes = KeReadVirtualMemory(lastPEP, (PVOID)rr->Address,
(PVOID)((ULONG_PTR)shm_buf + sizeof * rr), &siz);
KeRestoreProtectVirtualMemory(lastPROC, rr->Address, rr->SizeReq, old_prot);
+ KDBG("RPM to 0x%p size 0x%X bytes returned 0x%X (protection before/after: 0x%X/0x%X)\n",
+ rr->Address, rr->SizeReq, rr->StatusRes, old_prot, new_prot);
if (NT_SUCCESS(rr->StatusRes)) {
rr->SizeRes = siz;
@@ -589,11 +590,11 @@ NTSTATUS KRThread(IN PVOID pArg)
}
ULONG new_prot = PAGE_EXECUTE_READWRITE, old_prot = 0;
KeProtectVirtualMemory(lastPROC, wr->Address, wr->SizeReq, new_prot, &old_prot);
- KDBG("WPM to 0x%p size 0x%X bytes (protection before/after: 0x%X/0x%X)\n",
- wr->Address, wr->SizeReq, old_prot, new_prot);
wr->StatusRes = KeWriteVirtualMemory(lastPEP, (PVOID)((ULONG_PTR)shm_buf + sizeof * wr),
(PVOID)wr->Address, &siz);
KeRestoreProtectVirtualMemory(lastPROC, wr->Address, wr->SizeReq, old_prot);
+ KDBG("WPM to 0x%p size 0x%X bytes returned 0x%X (protection before/after: 0x%X/0x%X)\n",
+ wr->Address, wr->SizeReq, wr->StatusRes, old_prot, new_prot);
if (NT_SUCCESS(wr->StatusRes)) {
wr->SizeRes = siz;