Connection to Commonly Abused Web Servicesedit

Adversaries may implement command and control communications that use common web services in order to hide their activity. This attack technique is typically targeted to an organization and uses web services common to the victim network which allows the adversary to blend into legitimate traffic. activity. These popular services are typically targeted since they have most likely been used before a compromise and allow adversaries to blend in the network.

Rule type: eql

Rule indices:


Severity: low

Risk score: 21

Runs every: 5m

Searches indices from: now-9m (Date Math format, see also Additional look-back time)

Maximum alerts per execution: 100

References: None


  • Elastic
  • Host
  • Windows
  • Threat Detection
  • Command and Control

Version: 7

Rule authors:

  • Elastic

Rule license: Elastic License v2

Rule queryedit

network where network.protocol == "dns" and != null and not in ("S-1-5-18", "S-1-5-19", "S-1-5-20") and
    /* Add new WebSvc domains here */ :
    ) and
    /* Insert noisy false positives here */
    not process.executable :
      "?:\\Program Files\\*.exe",
      "?:\\Program Files (x86)\\*.exe",
      "?:\\ProgramData\\Microsoft\\Windows Defender\\Platform\\*\\MsMpEng.exe",
      "?:\\Users\\*\\AppData\\Local\\Programs\\Microsoft VS Code\\Code.exe",