INTEL_REPORT
Palo Alto Networks Unit 42 · published 7/2/2026, 10:00:39 PM · TLP amber
Summary
Ingested excerpt (first ~500 chars of normalized text).
How We Added WebAuthn to a Browser-Based RDP Client A look inside the reverse-engineering journey of building the first RDP client outside of Windows to support WebAuthn redirection. The post How We Added WebAuthn to a Browser-Based RDP Client appeared first on Unit 42 . How We Added WebAuthn to a Browser-Based RDP Client Menu Tools ATOMs Security Consulting About Us Under Attack? Threat Research Center Insights General General How We Added WebAuthn to a Browser-Based RDP C…
https://unit42.paloaltonetworks.com/webauthn-added-to-browser-based-rdp
sha256:59a0e48c15a326d2d207a8ef494ab2c3c81c0e5ee7180e70e6d49ab5e37e132f
What we pulled out
Deterministic extractor (IOC + allowlisted tokens + ATT&CK IDs present in DB).
Indicators
Linked with report → mentions → indicator. Values open the indicator workspace.
Malware families
Allowlist token matches only.
Threat actors mentioned
Allowlist mentions — not a formal attribution verdict.
ATT&CK techniques
MITRE IDs referenced in text and present in local technique table.
CONTINUE INVESTIGATION
High-signal pivots without leaving the thread you started in search.
Browse the report corpus.
Neighborhood from the first linked indicator.
| chrome.webauthenticationproxy |
| Open → |
| domain | webauthn.dll | Open → |
| domain | mstscax.dll | Open → |
| url | https://okta.com | Open → |