Chang Liu

37 papers Journal 25Unranked 12
YearRankTypeTitle / Venue / Authors
2025 J jnl
IEEE Trans. Instrum. Meas.
Jiangnan Xia, Rui Zhang, Ihab Ahmed, Mohamed Pourkashanian, Ian Armstrong, Michael Lengden, Walter Johnstone, Hugh McCann, Chang Liu
2025 J jnl
IEEE Trans. Instrum. Meas.
Yuan Chen, Jiangnan Xia, Rui Zhang, Yikai Xia, Minqiu Zhou, Yalei Fu, Ihab Ahmed, Ian Armstrong, Abhishek Upadhyay, Michael Lengden, Walter Johnstone, Paul Wright, Krikor B. Ozanyan, Mohamed Pourkashanian, Hugh McCann, Chang Liu
2024 J jnl
Adv. Eng. Softw.
Xu Dai, Naveed Alam, Chang Liu, Ali Nadjai, David Rush, Stephen Welch
2024 conf
I2MTC
Yikai Xia, Jiangnan Xia, Di Xiao, Yuan Chen, Godwin Enemali, Chang Liu
2024 J jnl
IEEE Trans. Ind. Informatics
Jiangnan Xia, Godwin Enemali, Rui Zhang, Yalei Fu, Hugh McCann, Bin Zhou, Chang Liu
2024 J jnl
Briefings Bioinform.
Shi Zhang, Rui Zhang, Kai Yuan, Lu Yang, Chang Liu, Yuting Liu, Xumin Ni, Shuhua Xu
2023 J jnl
IEEE Trans. Ind. Informatics
Jingjing Si, Gengchen Fu, Xin Liu, Yinbo Cheng, Rui Zhang, Jiangnan Xia, Yalei Fu, Godwin Enemali, Chang Liu
2023 J jnl
IEEE Trans. Neural Networks Learn. Syst.
Yunfan Jiang, Jingjing Si, Rui Zhang, Godwin Enemali, Bin Zhou, Hugh McCann, Chang Liu
2023 J jnl
IEEE Trans. Instrum. Meas.
Yalei Fu, Rui Zhang, Jiangnan Xia, Andrew Gough, Stuart Clark, Abhishek Upadhyay, Godwin Enemali, Ian Armstrong, Ihab Ahmed, Mohamed Pourkashanian, Paul Wright, Krikor B. Ozanyan, Michael Lengden, Walter Johnstone, Nick Polydorides, Hugh McCann, Chang Liu
2023 conf
IST
Rui Zhang, Jiangnan Xia, Hugh McCann, Chang Liu, Ihab Ahmed, Mohamed Pourkashanian, Andrew Gough, Ian Armstrong, Michael Lengden, Walter Johnstone
2022 J jnl
IEEE Trans. Instrum. Meas.
Jingjing Si, Gengchen Fu, Yinbo Cheng, Rui Zhang, Godwin Enemali, Chang Liu
2022 J jnl
IEEE Trans. Geosci. Remote. Sens.
Chang Liu, Lijun Xu, Lin Si, Xiaolu Li, Duan Li, Jianbin Huang, Yuntao He
2022 J jnl
Adv. Eng. Softw.
Xu Dai, Antonio Gamba, Chang Liu, Johan Anderson, Marion Charlier, David Rush, Stephen Welch
2022 J jnl
Remote. Sens.
Yuntao He, Yongjun Liu, Chang Liu, Duan Li
2022 J jnl
IEEE Trans. Instrum. Meas.
Chang Liu, Xiaolu Li, Jianbin Huang, Lijun Xu
2022 conf
I2MTC
Jiangnan Xia, Godwin Enemali, Rui Zhang, Chang Liu
2022 conf
I2MTC
Yalei Fu, Rui Zhang, Godwin Enemali, Abhishek Upadhyay, Michael Lengden, Chang Liu
2022 J jnl
IEEE Trans. Ind. Electron.
Godwin Enemali, Rui Zhang, Hugh McCann, Chang Liu
2022 J jnl
IEEE Trans. Instrum. Meas.
Yuan Chen, Chang Liu, Yunjie Yang, Mathieu Serge Lucquiaud, Jiabin Jia
2022 conf
I2MTC
Jingjing Si, Xin Liu, Yinbo Cheng, Chang Liu
2021 conf
I2MTC
Jingjing Si, Gengchen Fu, Rui Zhang, Chang Liu
2021 J jnl
BMC Bioinform.
Rui Zhang, Chang Liu, Kai Yuan, Xumin Ni, Yuwen Pan, Shuhua Xu
2021 J jnl
CoRR
Jingjing Si, Guoliang Li, Yinbo Cheng, Rui Zhang, Godwin Enemali, Chang Liu
2021 J jnl
IEEE Trans. Instrum. Meas.
Jingjing Si, Guoliang Li, Yinbo Cheng, Rui Zhang, Godwin Enemali, Chang Liu
2021 conf
I2MTC
Wanlu Zhang, Rui Zhang, Yalei Fu, Godwin Enemali, Jingjing Si, Chang Liu
2021 J jnl
IEEE Trans. Instrum. Meas.
Yong Bao, Rui Zhang, Godwin Enemali, Zhang Cao, Bin Zhou, Hugh McCann, Chang Liu
2020 J jnl
IEEE Trans. Instrum. Meas.
Edward M. D. Fisher, Thomas Benoy, Gordon Humphries, David Wilson, Michael Lengden, Walter Johnstone, Hugh McCann, Stylianos-Alexios Tsekenis, Yunjie Yang, Andrea Chighine, Chang Liu, Nick Polydorides, Paul Wright, Juraj Kliment, Krikor B. Ozanyan
2020 J jnl
CoRR
Godwin Enemali, Rui Zhang, Hugh McCann, Chang Liu
2020 J jnl
Remote. Sens.
Jinyi Li, Ziwei Yu, Zhenhui Du, Yue Ji, Chang Liu
2019 conf
IST
Godwin Enemali, Chang Liu, Nick Polydorides, Hugh McCann
2019 J jnl
IEEE Geosci. Remote. Sens. Lett.
Lijun Xu, Jing Feng, Xiaolu Li, Chang Liu
2019 conf
IST
Yuan Chen, Zhigang Li, Yunjie Yang, Jiabin Jia, Chang Liu, Mathieu Serge Lucquiaud
2018 J jnl
IEEE Trans. Instrum. Meas.
Chang Liu, Zhang Cao, Yuzhen Lin, Lijun Xu, Hugh McCann
2017 conf
I2MTC
Chang Liu, Lijun Xu, Zhang Cao, Yuzhen Lin
2016 conf
I2MTC
Qianwei Qu, Lijun Xu, Zhang Cao, Chang Liu
2014 J jnl
IEEE Trans. Instrum. Meas.
Chang Liu, Lijun Xu, Zhang Cao, Hugh McCann
2013 conf
I2MTC
Chang Liu, Lijun Xu, Zhang Cao
docs/new_database_schema.md
← Index docs/new_database_schema.md markdown

## LLIL function

| Field Name | Field Type | Description |
|-------------|-------------|-------------|
| function_type | string | The inferred type of the analyzed function, determined by the FunctionTypeAnalysis module (e.g., standard, library, thunk). |
| sha256_llil | string | SHA-256 hash computed from the Low-Level Intermediate Language (LLIL) instructions of the function. |
| ssdeep_llil | string | Fuzzy hash (ssdeep) of the LLIL instruction sequence, used for similarity detection. |
| tlsh_llil | string | TLSH (Trend Locality Sensitive Hash) value of the LLIL instructions, used for approximate matching and similarity comparison. |
| instructions_types_llil | list[string] | List of unique LLIL instruction types (e.g., arithmetic, control flow, memory operations). |
| control_flow_count_llil | integer | Number of control flow instructions in the LLIL representation (e.g., branches, jumps, calls). |
| memory_access_pattern_llil | dict | Patterns of memory access operations detected in the LLIL code (e.g., loads, stores, stack operations). |
| register_usage | dict | Summary of register usage, indicating which registers are read and written in the function. |
| total_reg_reads | integer | Total number of register read operations in the LLIL code. |
| total_reg_written | integer | Total number of register write operations in the LLIL code. |
| data_references_count | integer | Number of data references in the LLIL code (e.g., constants, global variables). |
| max_block_size | integer | Size of the largest basic block in the LLIL representation, measured in number of instructions. |
| num_calls | integer | Total number of function call instructions present in the LLIL code. |
| stack_size | integer | Estimated stack size used by the function, inferred from LLIL analysis. |


## CFG level

| Field Name          | Field Type    | Description                                                                                                                               |
|---------------------|---------------|-------------------------------------------------------------------------------------------------------------------------------------------|
| block_id            | integer       | Unique identifier for the basic block within the function (block_instructions + str(block.start) + str(block.end) + str(function.start)). |
| function_address    | integer       | Starting memory address of the parent function containing this block.                                                                     |
| block_start_address | integer       | Starting address of the basic block in memory.                                                                                            |
| block_end_address   | integer       | Ending address of the basic block in memory.                                                                                              |
| block_size          | integer       | Size of the basic block in bytes (computed as end - start).                                                                               |
| instructions_count  | integer       | Number of instructions contained in the basic block.                                                                                      |
| block_instructions  | string        | MD5 hash of the block's instruction sequence, used for integrity or similarity checks.                                                    |
| predecessor_blocks  | list[u64]     | List of addresses or IDs of predecessor blocks in the control flow graph (CFG).                                                           |
| successor_blocks    | list[u64]     | List of addresses or IDs of successor blocks in the CFG.                                                                                  |
| depth               | integer       | Depth level of the block in the control flow graph, starting from the entry block.                                                        |
| position            | integer       | Sequential position or index of the block within the function’s block map.                                                                |
| branch_type         | string        | Type of branch ending the block (e.g., conditional, unconditional, call, return).                                                         |
| block_type          | string        | Classification of the block (e.g., entry, exit, loop header, regular).                                                                    |
| flags               | dict          | Metadata or attributes extracted from the block (e.g., specific behavior or conditions).                                                  |
| dominators          | list[integer] | List of block addresses or IDs that dominate this block in the control flow graph.                                                        |
| post_dominators     | list[integer] | List of block addresses or IDs that post-dominate this block in the control flow graph.                                                   |
 | measures            | list[tuples]  | List of measures to be defined                                                                                                            |

## Disassembly

| Field Name | Field Type | Description |
|-------------|-------------|-------------|
| disassembled_function_hash | string | SHA-256 hash of the disassembled function string, used as a unique identifier. |
| disassembled_function | string | The disassembled function including instruction addresses. |
| disassembled_function_no_addresses | string | The disassembled function without instruction addresses, containing only the instruction mnemonics and operands. |
| disassembled_function_name | string | The name of the analyzed function. |
| disassembled_function_address | integer | The starting memory address of the disassembled function. |
| instructions_count | integer | Total number of instructions within the disassembled function. |
| function_type | string | The inferred type of the function as determined by the FunctionTypeAnalysis module (e.g., standard, library, thunk). |
| instructions_types | list[string] | List of unique instruction types (e.g., arithmetic, logic, control flow, memory). |
| control_flow_count | integer | Number of control flow instructions (e.g., jumps, calls, returns). |
| memory_access_pattern | dict | Patterns of memory access operations detected in the function (e.g., loads, stores, stack operations). |
| register_usage | dict | Summary of register usage, showing which registers are read from or written to. |
| data_references_count | integer | Count of data references made by the function (e.g., global variables or constants). |
| max_block_size | integer | The size of the largest basic block (in number of instructions). |
| num_calls | integer | Total number of function call instructions. |
| stack_size | integer | Estimated stack size used by the function. |

## Decompilation

| Field Name | Field Type | Description |
|-------------|-------------|-------------|
| decompiled_function_hash | string | SHA-256 hash of the decompiled function code, used as a unique identifier. |
| decompiled_function | string | The decompiled function source code in high-level representation. |
| decompiled_function_name | string | The name of the decompiled function. |
| decompiled_function_prototype | string | The function prototype, including return type, name, and parameters. |
| decompiled_function_address | integer | The starting memory address of the decompiled function. |
| function_type | string | The inferred function type from the FunctionTypeAnalysis module (e.g., standard, library, thunk). |
| functions_caller | list[string] | List of functions that call this function (incoming call references). |
| functions_call | list[string] | List of functions called by this function (outgoing call references). |
| flattened_score | float | Score representing the degree of control-flow flattening detected in the function. |
| mba_score | float | Score representing the presence or intensity of mixed boolean arithmetic (MBA) obfuscation patterns. |