mcrit
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danielplohmann
Error with SMDA opcode handling during escaping while report submission
seems to occur with certain samples from malpedia batch processed SMDA reports, investigate and fix.
mcrit-server | File "/usr/local/lib/python3.10/dist-packages/falcon/app.py", line 425, in __call__
mcrit-server | responder(req, resp, **params)
mcrit-server | File "/opt/mcrit/mcrit/server/utils.py", line 51, in wrapper
mcrit-server | func(*args, **kwargs)
mcrit-server | File "/opt/mcrit/mcrit/server/SampleResource.py", line 127, in on_post_collection
mcrit-server | summary = self.index.addReportJson(req.media, username=username)
mcrit-server | File "/opt/mcrit/mcrit/index/MinHashIndex.py", line 327, in addReportJson
mcrit-server | return self.addReport(report, calculate_hashes=calculate_hashes, calculate_matches=calculate_matches, username=username)
mcrit-server | File "/opt/mcrit/mcrit/index/MinHashIndex.py", line 311, in addReport
mcrit-server | sample_entry = storage.addSmdaReport(smda_report)
mcrit-server | File "/opt/mcrit/mcrit/storage/MongoDbStorage.py", line 650, in addSmdaReport
mcrit-server | function_dicts.append(self._getFunctionDocument(sample_entry, smda_function, function_id))
mcrit-server | File "/opt/mcrit/mcrit/storage/MongoDbStorage.py", line 999, in _getFunctionDocument
mcrit-server | function_entry = FunctionEntry(sample_entry, smda_function, function_id)
mcrit-server | File "/opt/mcrit/mcrit/storage/FunctionEntry.py", line 56, in __init__
mcrit-server | self.num_instructions = smda_function.num_instructions
mcrit-server | File "/usr/local/lib/python3.10/dist-packages/smda/common/SmdaFunction.py", line 81, in num_instructions
mcrit-server | return sum([1 for ins in self.getInstructions()])
mcrit-server | File "/usr/local/lib/python3.10/dist-packages/smda/common/SmdaFunction.py", line 81, in <listcomp>
mcrit-server | return sum([1 for ins in self.getInstructions()])
mcrit-server | File "/usr/local/lib/python3.10/dist-packages/smda/common/SmdaFunction.py", line 119, in getInstructions
mcrit-server | for block in self.getBlocks():
mcrit-server | File "/usr/local/lib/python3.10/dist-packages/smda/common/SmdaFunction.py", line 110, in getBlocks
mcrit-server | yield SmdaBasicBlock(block, smda_function=self)
mcrit-server | File "/usr/local/lib/python3.10/dist-packages/smda/common/SmdaBasicBlock.py", line 25, in __init__
mcrit-server | self.opcblockhash = self.getOpcBlockHash()
mcrit-server | File "/usr/local/lib/python3.10/dist-packages/smda/common/SmdaBasicBlock.py", line 51, in getOpcBlockHash
mcrit-server | opcblockhash_sequence = self.getOpcBlockHashSequence()
mcrit-server | File "/usr/local/lib/python3.10/dist-packages/smda/common/SmdaBasicBlock.py", line 62, in getOpcBlockHashSequence
mcrit-server | escaped_binary_seqs.append(instruction.getEscapedToOpcodeOnly(self.smda_function._escaper))
mcrit-server | File "/usr/local/lib/python3.10/dist-packages/smda/common/SmdaInstruction.py", line 87, in getEscapedToOpcodeOnly
mcrit-server | return escaper.escapeToOpcodeOnly(self)
mcrit-server | File "/usr/local/lib/python3.10/dist-packages/smda/intel/IntelInstructionEscaper.py", line 443, in escapeToOpcodeOnly
mcrit-server | cap_ins = ins.getDetailed()
mcrit-server | File "/usr/local/lib/python3.10/dist-packages/smda/common/SmdaInstruction.py", line 66, in getDetailed
mcrit-server | assert len(with_details) == 1
mcrit-server | AssertionError
