Saturday, February 15, 2020

python pefile ctypes kernel32.dll examples

import pefile
import ctypes
kfile = pefile.PE(r'Kernel32.dll')


--- *** displays all exports such as *** ---
for export in kfile.DIRECTORY_ENTRY_EXPORT.symbols:
 print(export.name)


--- *** executes a command like whoami *** ---
k32.WinExec(b'whoami')


--- *** creates a new folder *** ---
k32.CreateDirectoryW(r'c:\users\win10\testfolder', None)


--- *** prints length of a string *** ---
k32.lstrlenA(b'something')

--- *** start and stop a timer *** ---
start = k32.GetTickCount()
end = k32.GetTickCount()
elaspedTime = (end-start)/1000

--- *** get process id for the python.exe program running this code *** ---
k32.GetCurrentProcessId()

--- *** get current working directory *** ---
s=ctypes.create_string_buffer(50)
k32.GetCurrentDirectoryA(len(s), s)
string = ""
for i in s:
 if not i.decode() == "\x00":
  string = string + i.decode()

--- *** get environment variables APPDATA value *** --
s=ctypes.create_string_buffer(50)
k32.GetEnvironmentVariableA(b'APPDATA',s,len(s))
string = ""
for i in s:
 if not i.decode() == "\x00":
  string = string + i.decode()

1 comment:

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