Synopsis
Activation Period |
14 Days |
Training Period |
30 Days |
Test Period |
N/A (single event) |
Deduplication Period |
1 Day |
Required Data |
|
Detection Modules |
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ATT&CK Tactic |
|
ATT&CK Technique |
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Severity |
Informational |
Description
A rare communication between a process to a known instant messaging server.
Attacker's Goals
Data exfiltration or attack tool staging through a trusted service.
Investigative actions
- Examine the legitimacy of the application that made the communication with the provider's server.
- Examine the parent process of this application.
- Check for anomalies regarding the time frame where the communication occurred.
Variations
Uncommon communication to an instant messaging server by a suspicious processUncommon communication to an instant messaging server by an uncommon scripting engine execution