Identification of ICS Security Risks toward the Analysis of Packet Interaction Characteristics Using State Sequence Matching Based on SF-FSM
Table 5
Examples of signatures.
Type of sequence signature
Examples
Client belonging to
Independent sequence signature
List Identity (Req)
Molex EIP_Tools
Correlative sequence signature
Customized Service 0x5C (Req) Customized Service 0x4B (Req) Customized Service 0x4B (Req) Customized Service 0x4B (Req) Customized Service 0x4C (Req) Customized Service 0x4C (Req)