diff options
author | Cyrille Bagard <nocbos@gmail.com> | 2019-01-31 20:50:15 (GMT) |
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committer | Cyrille Bagard <nocbos@gmail.com> | 2019-01-31 20:50:15 (GMT) |
commit | c6bfb7dd499f2aa1d4fb4f39dc3f49cb8801fed2 (patch) | |
tree | 748784ea34f532396bc5ff7a12bf792c6dd1e14c /tests/analysis | |
parent | 3d4d97da355c0dd90b1e623f452da22894f8cd71 (diff) |
Improved loop detection.
Diffstat (limited to 'tests/analysis')
-rw-r--r-- | tests/analysis/disass/block.py | 61 | ||||
-rw-r--r-- | tests/analysis/disass/jinit_color_converter.bin | bin | 0 -> 456 bytes |
2 files changed, 60 insertions, 1 deletions
diff --git a/tests/analysis/disass/block.py b/tests/analysis/disass/block.py index f8e6fe9..9b9d529 100644 --- a/tests/analysis/disass/block.py +++ b/tests/analysis/disass/block.py @@ -7,9 +7,12 @@ from chrysacase import ChrysalideTestCase from pychrysalide.analysis.contents import FileContent -from pychrysalide.analysis import LoadedBinary +from pychrysalide.analysis import BinRoutine, LoadedBinary from pychrysalide.arch import ArchInstruction +from pychrysalide.arch import vmpa from pychrysalide.format.elf import ElfFormat +from pychrysalide.format import FlatFormat +from pychrysalide.glibext import BinPortion import os import sys @@ -184,3 +187,59 @@ class TestBasicBlocks(ChrysalideTestCase): loop_count += 1 self.assertEqual(loop_count, 3) + + + def testOtherLoops(self): + """Check situation with some binary codes old troubles.""" + + # Malwre e8e1bc048ef123a9757a9b27d1bf53c092352a26bdbf9fbdc10109415b5cadac + # Fonction jinit_color_converter de lib/armeabi/libgame.so + + fullname = sys.modules[self.__class__.__module__].__file__ + filename = os.path.basename(fullname) + + baselen = len(fullname) - len(filename) + + cnt = FileContent(fullname[:baselen] + 'jinit_color_converter.bin') + self.assertIsNotNone(cnt) + + fmt = FlatFormat(cnt) + + fmt.set_machine('armv7') + + base = vmpa(0, 0x12a524) + + p = BinPortion(BinPortion.BPC_CODE, base, cnt.size) + p.rights = BinPortion.PAC_READ | BinPortion.PAC_EXEC + + fmt.register_user_portion(p) + + fmt.register_code_point(base.virt + 1, True) + + sym = BinRoutine() + sym.range = p.range + + fmt.add_symbol(sym) + + binary = LoadedBinary(fmt) + + status = binary.analyze_and_wait() + self.assertTrue(status) + + loop_count = 0 + + for blk in sym.basic_blocks: + for _, dt in blk.destinations: + if dt == ArchInstruction.ILT_LOOP: + loop_count += 1 + + self.assertEqual(loop_count, 3) + + loop_count = 0 + + for ins in binary.processor.instrs: + for _, dt in ins.destinations: + if dt == ArchInstruction.ILT_LOOP: + loop_count += 1 + + self.assertEqual(loop_count, 3) diff --git a/tests/analysis/disass/jinit_color_converter.bin b/tests/analysis/disass/jinit_color_converter.bin Binary files differnew file mode 100644 index 0000000..1eb2715 --- /dev/null +++ b/tests/analysis/disass/jinit_color_converter.bin |