Waheed Ullah

20 papers B 1Journal 18Unranked 1
YearRankTypeTitle / Venue / Authors
2025 J jnl
IEEE Access
Waheed Ullah, Fengfan Yang, Kwonhue Choi, Dushantha Nalin K. Jayakody
2024 J jnl
IEEE Access
Waheed Ullah, Ling Cheng, Fambirai Takawira
2024 J jnl
Comput. Networks
Waheed Ullah, Fengfan Yang, Dushantha Nalin K. Jayakody
2023 conf
VTC2023-Spring
Waheed Ullah, Dushantha Nalin K. Jayakody, Fengfan Yang, Marko Beko
2023 J jnl
EURASIP J. Wirel. Commun. Netw.
Chunli Zhao, Fengfan Yang, Waheed Ullah, Pengcheng Guo
2023 J jnl
Remote. Sens.
Chenxia Zhu, Shijie Li, Daniel Fiifi Tawia Hagan, Xikun Wei, Donghan Feng, Jiao Lu, Waheed Ullah, Guojie Wang
2022 J jnl
Phys. Commun.
Ikram Daanoune, Abdennaceur Baghdad, Waheed Ullah
2022 J jnl
Remote. Sens.
Guojie Wang, Xiaowen Ma, Daniel Fiifi Tawia Hagan, Robin van der Schalie, Giri Kattel, Waheed Ullah, Liangliang Tao, Lijuan Miao, Yi Liu
2021 J jnl
Remote. Sens.
Rehana Khan, Kanike Raghavendra Kumar, Tianliang Zhao, Waheed Ullah, Gerrit de Leeuw
2021 J jnl
Telecommun. Syst.
Pengcheng Guo, Fengfan Yang, Chunli Zhao, Waheed Ullah
2021 J jnl
Int. J. Intell. Syst.
Waheed Ullah, Muhammad Ibrar, Asghar Khan, Musa Khan
2021 J jnl
IEEE Access
Waheed Ullah, Ling Cheng, Fambirai Takawira
2021 J jnl
Remote. Sens.
Isaac Kwesi Nooni, Daniel Fiifi Tawia Hagan, Guojie Wang, Waheed Ullah, Shijie Li, Jiao Lu, Asher Samuel Bhatti, Xiao Shi, Dan Lou, Nana Agyemang Prempeh, Kenny T. C. Lim Kam Sian, Mawuli Dzakpasu, Solomon Obiri Yeboah Amankwah, Chenxia Zhu
2020 J jnl
Sensors
Moein Sarvaghad-Moghaddam, Waheed Ullah, Dushantha Nalin K. Jayakody, Sofiène Affes
2020 J jnl
Remote. Sens.
Xikun Wei, Guojie Wang, Tiexi Chen, Daniel Fiifi Tawia Hagan, Waheed Ullah
2020 J jnl
IEEE Access
Waheed Ullah, Ling Cheng, Fambirai Takawira
2020 J jnl
Remote. Sens.
Daniel Fiifi Tawia Hagan, Guojie Wang, Seokhyeon Kim, Robert M. Parinussa, Yi Y. Liu, Waheed Ullah, Asher Samuel Bhatti, Xiaowen Ma, Tong Jiang, Buda Su
2020 B conf
PIMRC
Waheed Ullah, Ling Cheng, Fambirai Takawira
2019 J jnl
Remote. Sens.
Waheed Ullah, Guojie Wang, Gohar Ali, Daniel Fiifi Tawia Hagan, Asher Samuel Bhatti, Dan Lou
2018 J jnl
IEEE Access
Zakir Ullah, Zhiwei Xu, Lei Zhang, Libo Zhang, Waheed Ullah
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. |