Possible network sniffing attempt via tcpdump or tshark

Synopsis

Field	Value
Activation Period	14 Days
Training Period	30 Days
Test Period	N/A (single event)
Deduplication Period	1 Day
Required Data	XDR Agent
ATT&CK Tactic	Credential Access (TA0006), Discovery (TA0007)
ATT&CK Technique	Network Sniffing (T1040)
Severity	Low

Description

Attackers may monitor network traffic for cleartext credentials or to learn the network's configuration.

Attacker's Goals

Gain user-account credentials.

Investigative actions

Check whether the executing process is benign and if this was a desired behavior as part of its normal execution flow.