September 7, 2024

A former IT engineer is going through federal expenses in the US after his former employer discovered it had been locked out of its laptop techniques and obtained a requirement for $750,000.

At roughly 4pm EST on November 25, 2023, employees at an industrial firm headquartered in Somerset County, New Jersey, started to obtain password reset notifications.  Shortly afterwards, community directors found that area administrator accounts had been deleted, denying entry to the agency’s laptop techniques.

44 minutes later, workers obtained an extortion electronic mail from an exterior tackle with the topic line “Your Community Has Been Penetrated”.

The e-mail warned the corporate that every one of its directors had both been locked out or deleted from the community, that the corporate’s backups had been deleted, and {that a} additional 40 servers can be shut down every day if a ransom of 20 Bitcoin (roughly US $750,000) was not paid.

57-year-old Daniel Rhyne, from Kansas Metropolis, Missouri, who labored as a core infrastructure engineer on the firm has been accused of unauthorised entry to the pc techniques, exploiting an organization administrator account to run malicious instructions between November 8-25, 2023 that:

  • modified administrator passwords to “TheFr0zenCrew!”
  • deleted administrator accounts
  • altered consumer account passwords to “TheFr0zenCrew!”
  • scheduled the shutdown of quite a few servers and workstations.

Investigators declare that they managed to pinpoint the assault to a distant desktop session that had originated on an unauthorised digital machine (VM) working on the corporate’s community. The identical VM was additionally discovered to have carried out various incriminating internet searches within the run-up to the assault, together with:

  • “How one can set area consumer password from command line”
  • “tips on how to delete a site <sic> account from the command line”
  • “tips on how to remotely shutdown a pc utilizing cmd”
  • “tips on how to clear all Home windows logs from command line”
  • “internet consumer syntax change password”

Based on court docket paperwork, the VM was accessed by a consumer account and laptop computer assigned to Rhyne. Rhyne’s laptop computer was stated to stop all web shopping when web shopping was occurring on the VM, suggesting that the identical individual was utilizing each the VM and Rhyne’s laptop computer.

Prosecutors additionally declare that the corporate’s CCTV and bodily entry logs file when Rhyne bodily entered their headquarters. These information instantly precede Rhyne’s consumer account logging into his laptop computer and, in lots of situations, then accessing the VM.

The costs towards Rhyne embody extortion, intentional harm to protected computer systems, and wire fraud. If discovered responsible, he faces a possible most jail sentence of 20 years and fines of as much as $750,000.