On 2024-06-23, 00:19 AM UTC, a phishing e mail was despatched out to 35,794 e mail addresses by updates@weblog.ethereum.org with the next content material
Customers who clicked the hyperlink within the e mail had been despatched to a malicious web site:
This web site had a crypto drainer working within the background, and if a consumer initiated their pockets and signed the transaction requested by their web site their pockets would have been drained.
Our inner safety workforce instantly launched an investigation to assist decide who launched the assault, what the purpose of the assault was, when it occurred, who was affected, and the way it occurred.
A number of the intial actions taken had been:
- Prevented the menace actor from sending further emails.
- Despatched out notifications through twitter and e mail to not click on the hyperlink in query.
- Closed down the malicious entry path the menace actor had used to acquire entry into the mailing checklist supplier.
- Submitted the malicious hyperlink to varied blacklists, and it was then blocked by majority of web3 pockets suppliers and cloudflare.
Our investigation into the assault confirmed that:
- The menace actor imported a big e mail checklist of their very own into the mailing checklist platform for use for the phishing marketing campaign.
- The menace actor exported the weblog mailing checklist e mail addresses, which was a complete of 3759 e mail addresses.
- After we in contrast the emails within the e mail checklist that the menace actor had imported, we might see that the weblog mailing checklist contained 81 e mail addresses that the menace actor didn’t beforehand have information of, and the remaining had been duplicate addresses.
- Analyzing on-chain transactions made to the menace actor between the time they despatched out the e-mail marketing campaign and the time the malicious area acquired blocked, seem to indicate that no victims misplaced funds throughout this particular marketing campaign despatched by the menace actor.
As we proceed engaged on this incident, we have now taken further measures reminiscent of migrating some mail companies to different suppliers, to additional assist cut back the danger of this occurring once more.
We’re deeply sorry that this incident occurred, and are working diligently with each our inner safety workforce in addition to exterior safety groups to additional assist handle and examine this incident.
Any questions might be directed to safety@ethereum.org.