HackBlue

Labs / Capstone investigations

RDP guess to a service that survives reboot

Follow one intruder across three Windows logs: failed RDP logons, a successful one, a hidden admin account, Defender turned off, and a service that looks like part of Defender.

  • Terminal mission
  • Advanced
  • 5 objectives
  • 0 of 5 solved

Briefing

APP-14 had RDP exposed for a migration. At 03:20 an EDR heartbeat stopped. You have its Security, System, and Defender logs on a PowerShell prompt.

The Logon ID on a 4624 ties later events to that session. 4720 creates an account, 4732 adds it to a local group, 5001 means Defender real-time protection was turned off, and 7045 installs a service.

PowerShell · APP-14

APP-14 · Capstone investigations

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