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This is the function flow chart of data tampering attack.
The process is mainly divided into 5 stages, compared to the DoS attack, Initialization and Data packet forwarding are added.
During Initialization, heartbeat packet and control measurement packet will be stored in the scenario file in advance before simulation. When the simulation starts, the Read_Attack_Packet() function will read the information of the two kinds of packets.
During Data packet forwarding, the Forward() Function achieves packets forwarding to the destination according to the routing table.
The Data packet processing part is different from the DoS attack. The ProcessEvent() Function first judges whether the flag bit ”°IsDataTamper”± is true to decide the start time of data tampering attack. When attack starts, function will tamper the packets to be received according to the request of DCAM panel configuration by forwarding packet_tamper as the replacement packets.
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IEEE/ICACT20220395 Slide.10
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