5 sneaky tricks crypto phishing scammers used last year: SlowMist

Blockchain security firm SlowMist has highlighted five common phishing techniques crypto scammers used on victims in 2022, including malicious browser bookmarks, phony sales orders and trojan malware spread on messaging app Discord.

It comes after the security firm recorded a total of 303 blockchain security incidents in the year, with 31.6% of these incidents caused by phishing, rug pull or other scams, according to a Jan. 9 SlowMist blockchain security report.

A pie chart of attack methods in 2022 in percentages. Source: SlowMist

Malicious browser bookmarks

One of the phishing strategies makes use of bookmark managers, a feature in most modern browsers.

SlowMist said scammers have been exploiting these to ultimately gain access to a project owner’s Discord account.

“By inserting JavaScript code into bookmarks through these phishing pages, attackers can potentially gain access to a Discord user’s information and take over the permissions of a project owner’s account,” the firm wrote.

After guiding victims to add the malicious bookmark through a phishing page, the scammer waits until the victim clicks on the bookmark while logged into Discord, which triggers the implanted JavaScript code and sends the victim’s personal information to the scammer’s Discord channel. 

During this process, the scammer can steal a victim’s Discord Token (encryption of a Discord username and password) and thus gain access to their account, which allows them to post fake messages and links to more phishing scams posing as the victim.

‘Zero dollar purchase’ NFT phishing

Out of 56 major NFT security breaches, 22 of those were the result of phishing attacks, according to SlowMist.

One of the more popular methods used by scammers tricks victims into signing over NFTs for practically nothing through a phony sales order.

Once the victim signs the order, the scammer can then purchase the user’s NFTs through a marketplace at a price determined by them.

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“Unfortunately, it’s not possible to deauthorize a stolen signature through sites like Revoke,” SlowMist wrote.

“However,…

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