Rules Contributing to Possible Impacket SecretDump Remote Activity Alert

The following rules detect suspicious SMB traffic related to credential dumping using Impacket. Any one or more of these will trigger the Possible Impacket SecretDump Remote Activity Alert. Details for each rule can be viewed by clicking the More Details link in the description.

Title

Description

Possible Impacket SecretDump Remote Activity

Detect AD credential dumping using Impacket SecretDump HKTL

Rule ID

network_security_2

Query

{'selection': {'appid_name': 'smb', 'metadata|contains|all': ['ADMIN$', 'SYSTEM32\\', '.tmp']}, 'condition': 'selection'}

Log Source

Stellar Cyber Network Events configured for:

  • Requirements: Network/Security/Modular sensor must be able to capture network traffic

Rule Source

Developed internally by Stellar Cyber

Tactics, Techniques, and Procedures

TA0006, T1003

References

N/A

Severity

75

Suppression Logic Based On

  • appid_name
  • srcip
  • dstip
  • stellar.rule_id

Additional Information

Maturity Creation Date Risk Level False Positives
test 2024/07/01 high

  • Unknown