add prefetch mem in emulation

1 files changed, 7 insertions, 20 deletions

diff --git a/example/unpack_upx.py b/example/unpack_upx.py
index 765ff4d8..17960ea6 100644
--- a/example/unpack_upx.py
+++ b/example/unpack_upx.py
@@ -39,7 +39,6 @@ else:
     # binary

     all_bloc = asmbloc.dis_bloc_all(x86_mn, in_str, decomp_func, job_done, symbol_pool, bloc_wd=1)

     b = all_bloc[0]

-    

 print b

 

 

@@ -79,7 +78,6 @@ print 'final label'
 print hex(end_label)

 

 

-    

 base_imp = 0

 offset_imp = 0

 libbase_ad = 0x77700000

@@ -95,9 +93,7 @@ def myloadlibexa():
     print repr(libname)

 

     ad = runtime_dll.lib_get_add_base(libname)

-        

     regs = vm_get_gpreg()

-    

     if not base_imp:

         base_imp = regs["edi"]

     if not offset_imp:

@@ -109,18 +105,13 @@ def myloadlibexa():
     vm_set_gpreg(regs)

 

 

-    

-

-

-

-

 def mygetproc():

     global runtime_dll

     ret_ad = vm_pop_uint32_t()

     libbase = vm_pop_uint32_t()

     fname = vm_pop_uint32_t()

     print 'getproc', hex(fname), hex(libbase), hex(ret_ad)

-    

+

     regs = vm_get_gpreg()

     dst_ad = regs['ebx']

     print 'ebx', hex(dst_ad)

@@ -135,8 +126,6 @@ def mygetproc():
 

     ad = runtime_dll.lib_get_add_func(libbase, fname, dst_ad)

 

-    

-    

     regs['eip'] = ret_ad

     regs['eax'] = ad

     vm_set_gpreg(regs)

@@ -163,7 +152,6 @@ if 'kernel32_VirtualProtect' in dll_dyn_funcs:
 

 

 

-    

 dump_memory_page_pool_py()

 

 

@@ -184,7 +172,7 @@ code_blocs_mem_range = []
 def my_run():

     global cpt, my_eip, known_blocs, code_blocs_mem_range

     trace_on = {'log_mn':False, 'log_regs':False}

-    

+

     print 'start'

     while True:

         cpt+=1

@@ -196,11 +184,9 @@ def my_run():
                 sdata = vm_get_str(e.rva2virt(s.addr), s.rawsize)

                 e.virt[e.rva2virt(s.addr)] = sdata

             in_str = bin_stream(e.virt)

-    

-            open('uu.bin', 'wb').write(str(e))

+            #open('uu.bin', 'wb').write(str(e))

             g = asmbloc.bloc2graph([x.b for x in known_blocs.values()], lines = False)

-            open("graph.txt" , "w").write(g)

-    

+            #open("graph.txt" , "w").write(g)

             break

         if my_eip in dyn_func:

             dyn_func[my_eip]()

@@ -236,7 +222,7 @@ for r, v in regs.items():
 

 oo = vm_get_str(decomp_buf_ad_out, decomp_func-decomp_buf_ad_out)

 

-open('uu', 'w').write("A"*0x1000 + oo)

+#open('uu', 'w').write("A"*0x1000 + oo)

 print repr(oo[:0x10])

 print repr(oo[-0x10:])

 

@@ -261,7 +247,7 @@ new_dll = []
 offset_imp = offset_imp - decomp_buf_ad_out - struct.unpack('I', e.virt[ad_tmp:ad_tmp+4])[0]

 print "read ofset imp", hex(offset_imp)

 

-#XXXXX 

+#XXXXX

 ad_base = decomp_buf_ad_out

 

 print repr(e.SHList)

@@ -280,6 +266,7 @@ e.DirRes = pe.DirRes(e)
 print repr(e.DirImport.impdesc)

 new_dll = runtime_dll.gen_new_lib(e)

 print new_dll

+e.DirImport.impdesc = []

 e.DirImport.add_dlldesc(new_dll)

 s_myimp = e.SHList.add_section(name = "myimp", rawsize = len(e.DirImport))

 print repr(e.SHList)