/
dll_op.py
259 lines (224 loc) · 9.14 KB
/
dll_op.py
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#!/usr/bin/env python
# -*- coding: utf-8 -*
# author: SAI
import os,sys,time
import traceback
import pykd
from common import *
class ModuleInfo(object):
def init1(self, ldr):
try:
if not int(ldr):
return False
filepath=revise_filepath(pykd.loadUnicodeString(ldr.FullDllName))
name=pykd.loadUnicodeString(ldr.BaseDllName)
self.filepath, self.name=guess_filepath(filepath, name)
self.baseaddr=int(ldr.DllBase)
self.entrypoint=int(ldr.EntryPoint)
self.size=int(ldr.SizeOfImage)
return True
except Exception, err:
print traceback.format_exc()
return False
def init2(self, baseaddr=0, endaddr=0, entrypoint=0, name='', filepath=''):
try:
self.baseaddr=int(baseaddr)
endaddr=int(endaddr)
if endaddr>self.baseaddr:
self.size=endaddr-self.baseaddr
else:
self.size=0
self.entrypoint=int(entrypoint)
filepath=revise_filepath(filepath)
self.filepath, self.name=guess_filepath(filepath, name)
return True
except Exception, err:
print traceback.format_exc()
return False
def listModuleByVadRoot(eprocessaddr):
modulelist=[]
try:
cmdline='.process /P %x;.reload;' % eprocessaddr
r=pykd.dbgCommand(cmdline)
eprocess=pykd.typedVar('nt!_EPROCESS', eprocessaddr)
VadRoot=int(eprocess.VadRoot)
if not VadRoot:
return []
cmdline='!vad %x' % VadRoot
r=pykd.dbgCommand(cmdline).splitlines()
for i in r:
i=i.strip()
pos=i.find('Exe EXECUTE_')
if pos==-1:
continue
a=i[pos+len('Exe '):]
pos=a.find(' ')
if pos==-1:
continue
type=a[:pos].strip()
filepath=a[pos+len(' '):].strip()
pos=i.find(')')
if pos==-1:
continue
a=i[pos+1:].lstrip()
pos=a.find(' ')
if pos==-1:
continue
baseaddr=a[:pos].strip()
baseaddr=int(baseaddr, 16)*0x1000
a=a[pos+1:].lstrip()
pos=a.find(' ')
if pos==-1:
continue
endaddr=a[:pos].strip()
endaddr=int(endaddr, 16)*0x1000
info=ModuleInfo()
if info.init2(baseaddr=baseaddr, endaddr=endaddr, filepath=filepath):
modulelist.append(info)
except Exception, err:
print traceback.format_exc()
return modulelist
def listModuleByLdrList(eprocessaddr):
modulelist={}
try:
cmdline='.process /P %x;.reload;' % eprocessaddr
r=pykd.dbgCommand(cmdline)
eprocessobj=pykd.typedVar('nt!_EPROCESS', eprocessaddr)
if int(eprocessobj.Peb)!=0:
entry=int(eprocessobj.Peb.Ldr.InLoadOrderModuleList)
entryList1=pykd.typedVarList(entry, 'nt!_LDR_DATA_TABLE_ENTRY', 'InLoadOrderLinks')
entry=int(eprocessobj.Peb.Ldr.InMemoryOrderModuleList)
entryList2=pykd.typedVarList(entry, 'nt!_LDR_DATA_TABLE_ENTRY', 'InMemoryOrderLinks')
entry=int(eprocessobj.Peb.Ldr.InInitializationOrderModuleList)
entryList3=pykd.typedVarList(entry, 'nt!_LDR_DATA_TABLE_ENTRY', 'InInitializationOrderLinks')
for entrylist in [entryList1, entryList2, entryList3]:
for ldr in entrylist:
if int(ldr) not in modulelist:
info=ModuleInfo()
if info.init1(ldr):
modulelist[int(ldr)]=info
else:
print 'peb is 0'
except Exception, err:
print traceback.format_exc()
return modulelist.values()
def listModuleByLdrHash(eprocessaddr):
modulelist={}
try:
cmdline='.process /P %x;.reload;' % eprocessaddr
r=pykd.dbgCommand(cmdline)
try:
LdrpHashTable=pykd.getOffset('ntdll!LdrpHashTable')
except:
print 'get LdrpHashTable symbol fail, maybe ldr is null'
return []
if int(LdrpHashTable)!=0:
for i in xrange(26):
listhead=LdrpHashTable+i*2*g_mwordsize
hashlink=listhead
while 1:
hashlink=pykd.ptrPtr(hashlink)
if hashlink==listhead:
break
ldr=pykd.containingRecord(hashlink, 'nt!_LDR_DATA_TABLE_ENTRY', 'HashLinks')
if int(ldr) not in modulelist:
info=ModuleInfo()
if info.init1(ldr):
modulelist[int(ldr)]=info
except Exception, err:
print traceback.format_exc()
return modulelist.values()
from process_op import *
def inspectProcessHiddenModule(eprocessaddr=None):
try:
if eprocessaddr:
eprocessobj=pykd.typedVar('nt!_EPROCESS', eprocessaddr)
eprocessinfo=ProcessInfo()
if not eprocessinfo.init(eprocessobj):
print 'it is not a eprocess'
return
processlist=[eprocessinfo]
else:
processlist=listProcessByPsActiveProcessHead()
if not processlist:
print 'can not get process list'
return
funclist=\
[
listModuleByLdrList,
listModuleByLdrHash,
]
for eprocessinfo in processlist:
try:
eprocessaddr=eprocessinfo.eprocessaddr
print '='*10, 'process:%x pid:%d %s' % (eprocessaddr, eprocessinfo.pid, eprocessinfo.filepath), '='*10
sourcemodulelist=listModuleByVadRoot(eprocessaddr)
if not sourcemodulelist:
print 'fail to get vad!!!!!'
continue
hooknumber=0
for func in funclist:
modulelist=func(eprocessaddr)
#print len(modulelist)
modulelist2={}
for i in modulelist:
modulelist2[i.baseaddr]=i
l=[]
for i in sourcemodulelist:
if i.baseaddr not in modulelist2:
l.append(i)
else:
modulelist2.pop(i.baseaddr)
if l:
print '!'*5, "following modules can not be found by %s" % func.func_name
for i in l:
print 'base:%x size:%x entry:%x %s %s' % (i.baseaddr, i.size, i.entrypoint, i.name, i.filepath)
hooknumber+=1
if modulelist2:
print '!'*5, "following modules can be only found by %s" % func.func_name
for i in modulelist2.values():
print 'base:%x size:%x entry:%x %s %s' % (i.baseaddr, i.size, i.entrypoint, i.name, i.filepath)
hooknumber+=1
if hooknumber==0:
print 'no hidden dll'
except Exception, err:
print traceback.format_exc()
print
print 'inspect completely'
except Exception, err:
print traceback.format_exc()
def help():
print '-inspectall'
print '-inspectone eprocessaddr'
print '-list0 eprocessaddr #listModuleByVadRoot'
print '-list1 eprocessaddr #listModuleByLdrList'
print '-list2 eprocessaddr #listModuleByLdrHash'
if __name__=='__main__':
try:
if len(sys.argv)<2:
help()
sys.exit(0)
if sys.argv[1]=='-inspectall':
inspectProcessHiddenModule()
elif sys.argv[1]=='-inspectone':
eprocessaddr=int(sys.argv[2], 16)
inspectProcessHiddenModule(eprocessaddr)
elif sys.argv[1]=='-list0':
eprocessaddr=int(sys.argv[2], 16)
modulelist=listModuleByVadRoot(eprocessaddr)
for i in modulelist:
print 'base:%x size:%x entry:%x %s %s' % (i.baseaddr, i.size, i.entrypoint, i.name, i.filepath)
elif sys.argv[1]=='-list1':
eprocessaddr=int(sys.argv[2], 16)
modulelist=listModuleByLdrList(eprocessaddr)
for i in modulelist:
print 'base:%x size:%x entry:%x %s %s' % (i.baseaddr, i.size, i.entrypoint, i.name, i.filepath)
elif sys.argv[1]=='-list2':
eprocessaddr=int(sys.argv[2], 16)
modulelist=listModuleByLdrHash(eprocessaddr)
for i in modulelist:
print 'base:%x size:%x entry:%x %s %s' % (i.baseaddr, i.size, i.entrypoint, i.name, i.filepath)
else:
help()
except Exception, err:
print traceback.format_exc()