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2 Commits
Author SHA1 Message Date
Sharang ParnerkarandClaude Opus 4.8 306f7c5616 feat(ics): OPC UA reachability probe (#148)
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Extends the ICS probe with OPC UA (port 4840), a common CODESYS runtime service.
A read-only UACP handshake (Hello → Ack/Err) confirms an OPC UA server is
listening and flags it for review — the finding notes the common insecure default
(SecurityPolicy None + Anonymous user token) that allows unauthenticated,
unencrypted access.

- pipeline::ics::opcua — minimal UACP Hello/Ack probe (no secure channel).
- probe_target now checks Modbus/TCP + OPC UA (no longer early-returns on
  no-Modbus); emits `ics-opcua-exposed` (Medium, CWE-319).

Deep SecurityPolicy / user-token analysis via a full OPC UA stack is a follow-on.
Unit-tested against an in-process mock OPC UA server. Tracker #167.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
2026-07-16 18:29:43 +02:00
sharang 77eced8314 feat(ics): dynamic Modbus/TCP probe for PLC/SPS devices (#172)
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2026-07-16 16:25:04 +00:00