SlowMist discovered that throughout 303 recorded blockchain safety incidents in 2022, practically a 3rd have been made up of phishing assaults, rug pulls and scams.
Blockchain safety agency SlowMist has highlighted 5 widespread phishing strategies crypto scammers used on victims in 2022, together with malicious browser bookmarks, phony gross sales orders and trojan malware unfold on messaging app Discord.
It comes after the safety agency recorded a complete of 303 blockchain safety incidents within the yr, with 31.6% of those incidents attributable to phishing, rug pull or other scams, based on a Jan. 9 SlowMist blockchain safety report.
Malicious browser bookmarks
One of many phishing methods makes use of bookmark managers, a function in most trendy browsers.
SlowMist mentioned scammers have been exploiting these to finally achieve entry to a challenge proprietor’s Discord account.
Throughout this course of, the scammer can steal a sufferer’s Discord Token (encryption of a Discord username and password) and thus achieve entry to their account, which permits them to submit faux messages and hyperlinks to extra phishing scams posing because the sufferer.
‘Zero greenback buy’ NFT phishing
Out of 56 major NFT security breaches, 22 of these have been the results of phishing assaults, based on SlowMist.
One of many extra widespread strategies utilized by scammers tips victims into signing over NFTs for virtually nothing by a phony gross sales order.
As soon as the sufferer indicators the order, the scammer can then buy the person’s NFTs by a market at a value decided by them.
“Sadly, it is not potential to deauthorize a stolen signature by websites like Revoke,” SlowMist wrote.
“Nonetheless, you possibly can deauthorize any earlier pending orders that you just had arrange, which can assist mitigate the danger of phishing assaults and stop the attacker from utilizing your signature.”
Malicious program forex theft
In line with SlowMist, such a assault normally happens by non-public messages on Discord the place the attacker invitations victims to take part in testing a brand new challenge, then sends a program within the type of a compressed file that accommodates an executable file of about 800 MB.
After downloading this system, it should scan for information containing key phrases like “pockets” and add them to the attacker’s server.
“The most recent model of RedLine Stealer additionally has the power to steal cryptocurrency, scanning for put in digital forex pockets data on the native laptop and importing it to a distant management machine,” mentioned SlowMist.
“Along with stealing cryptocurrency, RedLine Stealer can even add and obtain information, execute instructions, and ship again periodic details about the contaminated laptop.”
‘Clean Test’ eth_sign phishing
This phishing assault permits scammers to make use of your non-public key to signal any transaction they select. After connecting your pockets to a rip-off web site, a signature utility field might pop up with a crimson warning from MetaMask.
After signing, attackers achieve entry to your signature, permitting them to can assemble any knowledge and ask you to signal it by eth_sign.
“This sort of phishing might be very complicated, particularly in terms of authorization,” mentioned the agency.
Identical ending quantity switch rip-off
For this rip-off, attackers airdrop small quantities of tokens, comparable to .01 USDT or 0.001 USDT to victims usually with the same deal with, aside from the previous couple of digits within the hopes of tricking customers into unintentionally copying the incorrect deal with of their switch historical past.
The remainder of the 2022 report coated different blockchain safety incidents within the yr, together with contract vulnerabilities and personal key leakage.
There have been roughly 92 assaults utilizing contract vulnerabilities within the yr, totaling practically $1.1 billion in losses due to flaws in good contract design and hacked applications.
Personal key theft however accounted for roughly 6.6% of assaults and noticed not less than $762 million in losses, essentially the most distinguished examples being the Ronin bridge and Harmony’s Horizon Bridge hacks.