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Common TTPsof attacks againstindustrial organizations. Implantsfor uploading data

In this research we analyzed a broad set of implants used by the threat actor(s) for remote access, to gather data and to upload data.

Abusing popular cloud-based data storages may allow the threat actor(s) to evade security measures. At the same time, it opens up the possibility for stolen data to be leaked a second time in the event that a third party gets access to a storage used by the threat actor(s).


Install security software with support for centralized security policy
management on all servers and workstations and keep the antivirus
databases and program modules of your security solutions up-to-date.

  • Check that all security solution components are enabled on all systems and that a policy is in place which requires the administrator password to be entered in the event of attempts to disable protection.
  • Consider using Allowlisting and Application Control technologies to prevent unknown applications from being executed.
  • Check that Active Directory policies include restrictions on user attempts to log in to systems. Users should only be allowed to log in to those systems which they need to access in order to perform their job responsibilities.
  • Restrict network connections, including VPN, between systems on the OT network; block connections on all those ports the use of which is not required by the industrial process.
  • Use smart cards (tokens) or one-time codes as the second authentication factor when establishing a VPN connection. In cases where this is applicable, use the Access Control List (ACL) technology
    to restrict the list of IP addresses from which a VPN connection can be initiated.
  • Train employees of the enterprise to use the internet, email, and other communication channels securely and, specifically, explain the possible consequences of downloading and executing files from unverified sources.
  • Restrict the use of accounts with local administrator and domain administrator privileges, with the exception of cases where such privileges are necessary to perform the job responsibilities.
  • Consider using a password management solution to manage the passwords of local administrator accounts on all systems.
  • Enforce a password policy that has password complexity requirements and requires passwords to be changed on a regular basis.
  • Consider using Managed Detection and Response class services to gain quick access to high-level knowledge and expertise of security professionals.
  • Use dedicated protection for the industrial process. Kaspersky Industrial CyberSecurity protects industrial endpoints and enables network monitoring on the OT network to identify and block malicious activity.

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