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« Unusual Remote File Extension Spike in Number of Connections Made to a Destination IP »

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Spike in Number of Connections Made from a Source IP

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Spike in Number of Connections Made from a Source IP

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A machine learning job has detected a high count of destination IPs establishing an RDP connection with a single source IP. Once an attacker has gained access to one system, they might attempt to access more in the network in search of valuable assets, data, or further access points.

Rule type: machine_learning

Rule indices: None

Severity: low

Risk score: 21

Runs every: 15m

Searches indices from: now-12h (Date Math format, see also Additional look-back time)

Maximum alerts per execution: 100

References:

Tags:

Use Case: Lateral Movement Detection
Rule Type: ML
Rule Type: Machine Learning
Tactic: Lateral Movement

Version: 2

Rule authors:

Elastic

Rule license: Elastic License v2

Framework: MITRE ATT&CK^TM

Tactic:
- Name: Lateral Movement
- ID: TA0008
- Reference URL: https://attack.mitre.org/tactics/TA0008/
Technique:
- Name: Exploitation of Remote Services
- ID: T1210
- Reference URL: https://attack.mitre.org/techniques/T1210/

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