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Security Bulletin

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Jake Geier
Jake Geier

New Linux malware is controlled through emojis sent from Discord



Who:

  • The malware, dubbed 'DISGOMOJI,' was discovered by cybersecurity firm Volexity.

  • The suspected threat actor, 'UTA0137,' is believed to be based in Pakistan.

  • The malware targets government agencies in India.

What:

  • DISGOMOJI is a Linux malware using emojis sent via Discord for command and control (C2).

  • It executes commands, takes screenshots, steals files, deploys additional payloads, and searches for files on infected devices.

  • The malware targets a custom Linux distribution named BOSS used by Indian government agencies.

Impact:

  • Data Exfiltration: DISGOMOJI collects and sends system information, including IP address, username, hostname, operating system, and current working directory, back to the attackers.

  • Persistence: The malware maintains persistence using the @reboot cron command and other mechanisms.

  • Lateral Movement: Once a device is breached, threat actors can spread laterally, steal data, and attempt to gather additional credentials.

  • Bypassing Detection: The use of emojis for C2 communication could potentially bypass security software that looks for text-based commands, making detection more challenging.


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