Kintsu DNS Hijack (StepDrainer Campaign)
Kintsu's website was hijacked via a registrar-level DNS attack and rerouted to a StepDrainer wallet-drainer page, in a campaign that also hit Flap and StonkBrokers.
Vuln-watch · relayed from a public source; see Source & attribution below
Summary
Kintsu's website was hijacked via a registrar-level DNS attack and rerouted to a StepDrainer wallet-drainer page, in a campaign that also hit Flap and StonkBrokers.
Incident
- Victim: Kintsu
- Date (UTC): 2026-10-31
- Chain(s): Monad
- Attack type: front-end compromise
- Funds status: unknown
Recommended actions
- Revoke token approvals granted to Kintsu contracts until the project confirms they are safe
- Integrators: pause or delist affected assets and monitor for attacker fund movements
- Beware of follow-on phishing: ignore unofficial "refund", "recovery", or "claim" links and DMs; use the project's verified channels only
Source & attribution
Full analysis on Blockchain Breaches, 0xCERT's incident archive: https://www.blockchainbreaches.com/en/breaches/kintsu-2026. Primary sources: https://econotimes.com/Kintsu-Urges-Wallet-Users-to-Revoke-Approvals-After-DNS-Hijack-1767489 ; https://www.tokenpost.com/news/technology/45297 ; https://econotimes.com/Blockaid-Probes-Suspected-Wallet-Attacks-at-Kintsu-Flap-and-StonkBrokers-1767462.
References
- https://www.blockchainbreaches.com/en/breaches/kintsu-2026
- https://econotimes.com/Kintsu-Urges-Wallet-Users-to-Revoke-Approvals-After-DNS-Hijack-1767489
- https://www.tokenpost.com/news/technology/45297
- https://econotimes.com/Blockaid-Probes-Suspected-Wallet-Attacks-at-Kintsu-Flap-and-StonkBrokers-1767462
OpenPGP-signed. The signed text of this advisory verifies against the 0xCERT key CCC7 D9EC 9415 723D.
Published 2026-10-31 · last updated 2026-10-31
curl -s https://www.0xcert.com/pgp.asc | gpg --import && curl -s https://www.0xcert.com/advisory/0xCERT-2026-0292/signed.txt | gpg --verify