Hackers Stealing Browser Cookies to Hijack Excessive-Profile YouTube Accounts

Since at the least late 2019, a community of hackers-for-hire have been hijacking the channels of YouTube creators, luring them with bogus collaboration alternatives to broadcast cryptocurrency scams or promote the accounts to the very best bidder.

That is in keeping with a brand new report revealed by Google’s Menace Evaluation Group (TAG), which stated it disrupted financially motivated phishing campaigns concentrating on the video platform with cookie theft malware. The actors behind the infiltration have been attributed to a gaggle of hackers recruited in a Russian-speaking discussion board.

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“Cookie Theft, also called ‘pass-the-cookie assault,’ is a session hijacking method that permits entry to consumer accounts with session cookies saved within the browser,” TAG’s Ashley Shen stated. “Whereas the method has been round for many years, its resurgence as a high safety danger may very well be on account of a wider adoption of multi-factor authentication (MFA) making it troublesome to conduct abuse, and shifting attacker focus to social engineering ways.”

Since Could, the web large famous it has blocked 1.6 million messages and restored almost 4,000 YouTube influencer accounts affected by the social engineering marketing campaign, with a few of the hijacked channels promoting for wherever between $3 to $4,000 on account-trading markets relying on the subscriber depend.

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Different channels, in distinction, had been rebranded for cryptocurrency scams wherein the adversary live-streamed movies promising cryptocurrency giveaways in return for an preliminary contribution, however not earlier than altering the channel’s identify, profile image, and content material to spoof giant tech or cryptocurrency change corporations.

The assaults concerned sending channel house owners a malicious hyperlink underneath the ruse of video commercial collaborations for anti-virus software program, VPN shoppers, music gamers, picture enhancing apps, or on-line video games that, when clicked, redirected the recipient to a malware touchdown web site, a few of which impersonated authentic software program websites, resembling Luminar and Cisco VPN, or masqueraded as media retailers targeted on COVID-19.

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Google stated it discovered no fewer than 15,000 accounts behind the phishing messages and 1,011 domains that had been purpose-built to ship the fraudulent software program accountable for executing cookie stealing malware designed to extract passwords and authentication cookies from the sufferer’s machine and add them to the actor’s command-and-control servers.

The hackers would then use the session cookies to take management of a YouTube creator’s account, successfully circumventing two-factor authentication (2FA), in addition to take steps to vary passwords and the account’s restoration e-mail and cellphone numbers.

Following Google’s intervention, the perpetrators have been noticed driving targets to messaging apps like WhatsApp, Telegram, and Discord in an try and get round Gmail’s phishing protections, to not point out transitioning to different e-mail suppliers like aol.com, e-mail.cz, seznam.cz, and submit.cz. Customers are extremely advisable to safe their accounts with two-factor authentication to stop such takeover assaults.

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