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91.203.21.143 has a threat confidence score of 97%. This IP address from Kazakhstan (AS8393, astel Jsc) has been observed in 88 honeypot sessions targeting SMB protocols. Detected attack patterns include remcom remote execution. First observed on January 20, 2026, most recently active March 21, 2026.
Sequential SMB session opening IPC$, accessing the svcctl pipe, issuing an RPC call, then opening the RemCom_communicaton pipe. Indicates remote service-based command execution.