MODBUS: Clear Counters and Diagnostic Registers
This signature detects attempts to erase the counters and diagnostics of a Programmable Logic Controller (PLC). The erasure can enable attackers to hide their previous attacks.
Extended Description
A vulnerability exists in the MODBUS server as it may clear the counters and diagnostic registers when receiving a special request. Remote attackers can exploit this vulnerability to avoid detection.
mx-19.3
vmx-19.3
vsrx-19.2
srx-19.3
srx-branch-19.3
vsrx3bsd-19.2
srx-19.4
vsrx3bsd-19.4
srx-branch-19.4
vsrx-19.4
vmx-19.4
mx-19.4
srxevo-25.4
vsrx-26.2
srx-26.2
srx-branch-26.2
vsrx3bsd-26.2
mx-12.3
srx-12.3
srx-branch-12.3
vsrx-12.3