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Improve windows intel detection for Windows 11 #1929

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Improve windows intel detection for Windows 11 #1929

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9d67420
Improve windows intel detection for Windows 11
ikelos Jan 8, 2026
1abd677
Appease black
ikelos Jan 8, 2026
d0ed424
Increment the size of the amount scanned, not just the start location
ikelos Jan 8, 2026
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13 changes: 12 additions & 1 deletion volatility3/framework/automagic/windows.py
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Original file line number Diff line number Diff line change
Expand Up @@ -200,7 +200,7 @@ class WindowsIntelStacker(interfaces.automagic.StackerLayerInterface):
(
"Detecting Self-referential pointer for recent windows",
[DtbSelfRef64bit()],
[(0x150000, 0x150000), (0x650000, 0xA0000)],
[(0x150000, 0x150000), (0x550000, 0x1A0000)],
),
(
"Older windows fixed location self-referential pointers",
Expand Down Expand Up @@ -305,9 +305,20 @@ def get_max_pointer(page_table, test, ptr_size: int):

hits = sorted(list(hits), key=sort_by_tests)

vollog.debug(f"WindowsIntelStacker hits: {hits}")

for test, page_map_offset in hits:
# Turn the page tables into integers and find the largest one
page_table = base_layer.read(page_map_offset, 0x1000)

# Modern windows can have a dummy page table with only about 2 entries, so sanity check
null_count = sum([1 if page_table[x] else 0 for x in page_table])
if null_count > 0xFA0:
vollog.debug(
f"DTB {page_map_offset:x} contains less than 12 valid pointers, ignoring"
)
continue

ptr_size = struct.calcsize(test.ptr_struct)
max_pointer = get_max_pointer(page_table, test, ptr_size)

Expand Down
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