def _analyze(self) :
for i in self.__files :
#print "processing ", i
if ".class" in i :
bc = jvm.JVMFormat( self.__orig_raw[ i ] )
elif ".jar" in i :
x = jvm.JAR( i )
bc = x.get_classes()
elif ".dex" in i :
bc = dvm.DalvikVMFormat( self.__orig_raw[ i ] )
elif ".apk" in i :
x = apk.APK( i )
bc = dvm.DalvikVMFormat( x.get_dex() )
else :
ret_type = androconf.is_android( i )
if ret_type == "APK" :
x = apk.APK( i )
bc = dvm.DalvikVMFormat( x.get_dex() )
elif ret_type == "DEX" :
bc = dvm.DalvikVMFormat( open(i, "rb").read() )
else :
raise( "Unknown bytecode" )
if isinstance(bc, list) :
for j in bc :
self.__bc.append( (j[0], BC( jvm.JVMFormat(j[1]) ) ) )
else :
self.__bc.append( (i, BC( bc )) )
def __init__(self, adp):
self.__adp = adp
for i in self.__adp.getFilesBuffer():
try:
print "0x%x :" % (i[0])
j = jvm.JVMFormat(i[1])
for method in j.get_methods():
print "\t -->", method.get_class_name(), method.get_name(
), method.get_descriptor()
# if (method.get_class_name() == "Test2" and method.get_name() == "main") :
# print "patch"
# code = method.get_code()
#code.remplace_at( 51, [ "bipush", 20 ] )
# code.show()
# print "\t\t-> %x" % (len(j.save()))
# self.__adp.write( i[0], j.save() )
except Exception, e:
print e
#!/usr/bin/env python
import sys
PATH_INSTALL = "./"
sys.path.append(PATH_INSTALL + "/core")
sys.path.append(PATH_INSTALL + "/core/bytecodes")
sys.path.append(PATH_INSTALL + "/core/analysis")
import jvm, analysis
TEST = "./examples/java/test/orig/Test1.class"
j = jvm.JVMFormat(open(TEST).read())
x = analysis.VMAnalysis(j)
# SHOW CLASS (verbose and pretty)
#j.pretty_show( x )
# SHOW METHODS
for i in j.get_methods():
print i
i.pretty_show(x)
#!/usr/bin/env python
import sys, random, string
PATH_INSTALL = "./"
sys.path.append(PATH_INSTALL + "/core")
sys.path.append(PATH_INSTALL + "/core/bytecodes")
import jvm
TEST = "./examples/java/test/orig/Test1.class"
TEST_REF = "./examples/java/Hello.class"
TEST_OUTPUT = "./examples/java/test/new/Test1.class"
j = jvm.JVMFormat(open(TEST).read())
j2 = jvm.JVMFormat(open(TEST_REF).read())
# Insert a craft method :)
j.insert_craft_method("toto", ["ACC_PUBLIC", "[B", "[B"],
[["aconst_null"], ["areturn"]])
# Insert a method with no dependances methods
j.insert_direct_method("toto2", j2.get_method("test3")[0])
# SAVE CLASS
fd = open(TEST_OUTPUT, "w")
fd.write(j.save())
fd.close()
def _create_methods(self):
fd = open("./VM.java", "w")
fd.write("class VM {\n")
fd.write("public ")
if self.__type_return == "":
fd.write("void ")
else:
fd.write("%s " % self.__type_return)
fd.write("%s() {\n" % self.__vm_name)
self.__VAR_REG = "REG"
self.__VAR_IREG = "IREG"
self.__VAR_IDX = "idx"
self.__VAR_C_IDX = "c_idx"
self.__VAR_BC = "BC"
fd.write("int[] %s = new int[%d];\n" %
(self.__VAR_REG, len(self.__RR)))
fd.write("int[] %s = {" % self.__VAR_IREG)
buff = ""
for i in self.__RR:
buff += "%d,%s," % (self.__RR[i], self.__ORR[self.__RR[i]])
fd.write(buff[:-1])
fd.write("};\n")
buff = ""
fd.write("int[][] %s = {" % self.__VAR_BC)
for i in self.__bytecodes:
buff += "{%s}," % str(i)[1:-1]
fd.write(buff[:-1])
fd.write("};\n")
fd.write("int %s = 0;\n" % self.__VAR_IDX)
fd.write("int %s = -1;\n" % self.__VAR_C_IDX)
if self.__debug:
fd.write(
"System.out.println(\"================START VM===============\");\n"
)
fd.write("while(idx < BC.length) {\n")
self.__VAR_T = "T"
self.__VAR_S = "S"
fd.write("int[] %s = new int[3];\n" % self.__VAR_T)
fd.write("int[] %s = new int[3];\n" % self.__VAR_S)
fd.write("T[0] = (BC[idx][0] & 0x00FF0000) >> 16;\n")
fd.write("T[1] = (BC[idx][0] & 0x0000FF00) >> 8;\n")
fd.write("T[2] = (BC[idx][0] & 0x000000FF);\n")
fd.write("S[0] = (BC[idx][1] & 0x00FF0000) >> 16;\n")
fd.write("S[1] = (BC[idx][1] & 0x0000FF00) >> 8;\n")
fd.write("S[2] = (BC[idx][1] & 0x000000FF);\n")
if self.__debug:
fd.write("System.out.println( \"IDX \" + idx );\n")
fd.write(
"System.out.println( \"TYPE \" + T[0] + \" \" + T[1] + \" \" + T[2] );\n"
)
fd.write(
"System.out.println( \"SIZE \" + S[0] + \" \" + S[1] + \" \" + S[2] );\n"
)
fd.write(
"System.out.println( \"BC \" + BC[idx][3] + \" \" + BC[idx][4] + \" \" + BC[idx][5] );\n"
)
#FIXME
for i in self.__OP:
fd.write("if (BC[idx][2] == %d) {\n" % self.__OP[i])
fd.write(REIL_TO_JAVA(i, self, self.__debug).get_raw())
fd.write("}\n")
if self.__debug:
fd.write("System.out.printf(\"REG = \");\n")
fd.write("for(int j=0; j < REG.length; j++) {\n")
fd.write("System.out.printf(\"%d \", REG[j]);\n")
fd.write("}\n")
fd.write("System.out.println(\"\");\n")
fd.write("if (%s != -1) {\n" % self.__VAR_C_IDX)
fd.write("%s = %s;\n" % (self.__VAR_IDX, self.__VAR_C_IDX))
fd.write("%s = -1;\n" % (self.__VAR_C_IDX))
fd.write("}\n")
fd.write("else {\n")
fd.write("idx = idx + 1;\n")
fd.write("}\n")
fd.write("}\n")
if self.__debug:
fd.write(
"System.out.println(\"================STOP VM================\\n\");\n"
)
fd.write("return REG[%s];\n" %
self.__ORR[self.__RR[self.__register_return.get_name()]])
fd.write("}\n")
fd.write("}\n")
fd.close()
compile = Popen(["/usr/bin/javac", "VM.java"],
stdout=PIPE,
stderr=STDOUT)
stdout, stderr = compile.communicate()
print "COMPILATION RESULTS", stdout, stderr
if stdout != "":
raise ("oops")
# print "COMPILATION RESULTS", "SWAP ...."
self.__vm_format = jvm.JVMFormat(open("VM.class").read())
