A technically sophisticated menace actor recognised as SeaFlower has been targeting Android and iOS people as aspect of an intensive campaign that mimics official cryptocurrency wallet sites intending to distribute backdoored apps that drain victims’ resources.
Reported to be 1st uncovered in March 2022, the cluster of action “trace[s] to a sturdy romance with a Chinese-talking entity still to be uncovered,” based on the macOS usernames, resource code feedback in the backdoor code, and its abuse of Alibaba’s Material Supply Network (CDN).
“As of nowadays, the principal current objective of SeaFlower is to modify Web3 wallets with backdoor code that eventually exfiltrates the seed phrase,” Confiant’s Taha Karim claimed in a complex deep-dive of the marketing campaign.
Targeted applications include things like Android and iOS versions of Coinbase Wallet, MetaMask, TokenPocket, and imToken.
SeaFlower’s modus operandi entails location up cloned websites that act as a conduit to obtain trojanized variations of the wallet apps that are pretty much unchanged from their initial counterparts except for the addition of new code developed to exfiltrate the seed phrase to a distant domain.
The destructive exercise is also engineered to goal iOS consumers by usually means of provisioning profiles that enable the applications to be sideloaded onto the units.
As for how buyers stumble upon these websites featuring fraudulent wallets, the attack leverages Website positioning poisoning approaches on Chinese search engines like Baidu and Sogou so that lookups for conditions such as “down load MetaMask iOS” are rigged to surface the travel-by download webpages on top rated of the look for benefits page.
If just about anything, the disclosure as soon as all over again highlights how danger actors are ever more placing their sights on preferred Web3 platforms in an attempt to plunder sensitive details and deceptively transfer digital cash.
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Some parts of this article are sourced from:
thehackernews.com