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medium advisory

Microsoft Windows: ISATAP Router Configuration

Detects the configuration of an ISATAP router on a Windows host, which may indicate unauthorized activity related to IPv6 DNS takeover attacks.

Triage facts

Revision 1
Evidence
Unknown
Severity
Medium
Sources
5 public sources
Freshness
Revision 1Nov 10, 02:36 UTC
Detection
1 rule
Source quality
A2Roughly even chance

ISATAP is a Microsoft technology for IPv6 transition. Adversaries may advertise themselves as DHCPv6 servers and set malicious ISATAP routers to intercept traffic. Unauthorized ISATAP configurations should be correlated with network baselines and known legitimate deployments.

Detection coverage 1

Detect ISATAP Router Configuration

medium

Detects the configuration of a new ISATAP router on a Windows host via Event ID 4100.

sigma techniques: T1557, T1565.002 sources: windows, system

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