mirror of
https://github.com/naksyn/PythonMemoryModule
synced 2026-06-06 16:24:25 +00:00
naksyn
db1893910c
This update include support to passing command line parameters to unmanaged exe via PEB stomping. This technique is not working with every executable since it depends on which functions are used to pass arguments. Generally, to get a universally working technique would be required to hook GetCommandlineA GetCommandlineW __getmainargs and __wgetmainargs since PEB stomping won't cover all cases, more details here: https://blog-30cm-tw.translate.goog/2020/08/windows-c-mainargc-argv.html?_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=it&_x_tr_pto=wapp However, during my testing I found that mimikatz and several go binaries are working just by doing PEB stomping. On the other hand, cmdline passing via PEB stomping alone to mingw and VS compiled binaries won't likely work.
48 lines
1.9 KiB
Python
48 lines
1.9 KiB
Python
import windows
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import windows.generated_def as gdef
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from windows.pycompat import int_types
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from . import Debugger
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from . import symbols
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class SymbolDebugger(Debugger):
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"""A debugger using the symbol API (hence PDB) for name resolution.
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To use PDB, a correct version of dbghelp should be configured as well as ``_NT_SYMBOL_PATH``.
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(See :ref:`debug_symbols_module`)
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This debugger add a ``current_resolver`` variable (A :class:`~windows.debug.symbols.ProcessSymbolHandler`) for the ``current_process``.
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"""
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def __init__(self, *args, **kwargs):
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super(SymbolDebugger, self).__init__(*args, **kwargs)
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self._resolvers = {}
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def _internal_on_load_dll(self, load_dll):
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path = self._get_loaded_dll(load_dll)
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# Path is used instead of name for naming the module (and can be set to whatever if using file handle)
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x = self.current_resolver.load_module(load_dll.hFile, path=path, addr=load_dll.lpBaseOfDll)
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def _internal_on_create_process(self, create_process):
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# Create and setup a symbol resolver for the new process
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resolver = symbols.ProcessSymbolHandler(self.current_process)
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self._resolvers[self.current_process.pid] = resolver
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self.current_resolver = resolver
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def _update_debugger_state(self, debug_event):
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super(SymbolDebugger, self)._update_debugger_state(debug_event)
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self.current_resolver = self._resolvers[debug_event.dwProcessId]
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def _resolve(self, addr, target):
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if isinstance(addr, int_types):
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return addr
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if "+" in addr:
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symbol, deplacement = addr.split("+", 1)
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deplacement = int(deplacement, 0)
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else:
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symbol = addr
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deplacement = 0
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try:
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return self.current_resolver[symbol].addr + deplacement
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except WindowsError as e:
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if not e.winerror in (gdef.ERROR_NOT_FOUND, gdef.ERROR_MOD_NOT_FOUND):
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raise
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return None |