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Kiwi Farms has been breached; assume passwords and emails have been leaked

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The top of Kiwi Farms, the Web discussion board greatest identified for organizing harassment campaigns in opposition to trans and non-binary individuals, stated the positioning skilled a breach that allowed hackers to entry his administrator account and presumably the accounts of all different customers.

On the positioning, creator Joshua Moon wrote:

The discussion board was hacked. It’s best to assume the next.

  • Assume your password for the Kiwi Farms has been stolen.
  • Assume your e-mail has been leaked.
  • Assume any IP you’ve got used in your Kiwi Farms account within the final month has been leaked.

Moon stated that the unknown particular person or people behind the hack gained entry to his admin account through the use of a way referred to as session hijacking, wherein an attacker obtains the authentication cookies a web site units after an account holder enters legitimate credentials and efficiently completes any two-factor authentication necessities. The session hijacking was made doable after importing malicious content material to XenForo, a web site Kiwi Farms makes use of to energy its person boards.

“A foul actor was capable of add a webpage disguised as an audio file to XenForo,” Moon wrote. “Elsewhere, he was capable of load this webpage (most likely as an inline body), inflicting random customers to make automated requests and ship their authentication cookies off-site, in order that the attacker might use it to realize entry to their account. My admin account was compromised via this mechanism.”

The attacker then used the entry to Moon’s admin account to concern a command for XenForo to ship the e-mail deal with, username, final exercise, and different particulars of every person. Moon stated methods logs indicated the command failed earlier than any information was despatched however that he couldn’t rule out the chance that the attacker ran different instructions or scripts which will have succeeded.

The file uploaded to XenForo ends in .opus, an extension that’s utilized by sure audio codecs. It was uploaded to XenForo immediately and injected by a customized Rust-based chat program Moon wrote to make Kiwi Farms chats work together with periods from XenForo.

The script brought on targets to load /test-chat, which was a chat app Moon used for the positioning. Targets additionally loaded /assist/, XenForo’s assist documentation, /avatar/avatar, to alter avatars to the brand of one other web site, and admin.php?instruments/phpinfo, within the occasion the goal was an admin.

Whereas the command to obtain all customers’ information didn’t seem to succeed, the attacker was capable of load the file, more than likely as an iframe, that brought on sure customers to ship the attacker their Kiwi Farms authentication cookies. That is what brought on Moon’s admin account to grow to be compromised.

The compromise got here after content material supply community Cloudflare final week stopped serving Kiwi Farms after weeks of stiff rebuke from critics who stated Cloudflare was enabling mass harassment and doxxing actions that had been concentrating on trans and nonbinary people. Cloudflare offered safety from distributed denial-of-service assaults which have focused Kiwi Farms for years. Cloudflare had been the final top-tier supplier to proceed serving the positioning. As soon as it severed ties, Kiwi Farms was pressured to fall again on a lot much less succesful companies.

“In equity to Joshua (the Admin), he seems to know technically what he’s doing based mostly on his feedback in Telegram chat,” impartial researcher Kevin Beaumont wrote on Twitter in a thread documenting the breach. “Sadly for him all the businesses he’s working with and the customers… Don’t.”

Crocodile tears

Kiwi Farms launched in its present type in 2013 and shortly grew to become a hub for on-line harassment campaigns. At the least three suicides have been tied to harassment stemming from the Kiwi Farms group. Discussion board contributors usually brazenly admit their purpose is to drive their targets to take their very own lives. Trans and non-binary individuals, members of the LGBTQ group, and girls are frequent targets.

Moon didn’t reply to an e-mail searching for remark and extra particulars concerning the breach. On Sunday, he tried to forged himself because the sufferer with no indication of irony as he defined the work that will be required to get the positioning working once more.

“XenForo eliminated us from their license a 12 months in the past and their software program is now not ample for our wants,” he wrote. “We wanted one thing customized, however my confidence in my work has been shot. The sophistication on this assault could be very excessive, and reveals an intimate familiarity with each Rust and XenForo. It’s unlucky that they’ve utilized themselves to this finish, seemingly for pay. There are such a lot of extra individuals making an attempt to destroy than create.”




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