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NatJack: NAT Manipulation Enables TCP Hijack and DNS Spoofing

2026-08-07 11:54 UTC · The Hacker News · read the source ↗ #network-attack#tcp-hijacking#dns-spoofing
  • Engineer — Learn: Novel attack class affecting multiple NAT implementations including Windows — no active exploitation or patches announced yet, so monitor for vendor advisories and evaluate whether firewall rule hardening or NAT timeout tuning applies to your perimeter.
  • SOC/IR — Learn: NatJack introduces TCP session hijacking and DNS spoofing via NAT state manipulation; no IOCs or ATT&CK-mapped TTPs are available yet, so track for detection research as the community digests the Black Hat presentation.
  • Leader — Skip
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