Sigma rule: Outgoing Logon with New Credentials

A detection rule from the SigmaHQ repository, shown as its author published it. Dataset version ref-42f6db0717ea, updated 2022-04-06T00:00:00.000Z.

Rule

Title
Outgoing Logon with New Credentials
Status
test
Level
low
Author
Max Altgelt (Nextron Systems)
Date
2022-04-06
File
rules/windows/builtin/security/account_management/win_security_susp_logon_newcredentials.yml
Commit
ccbb0369507f796db0b0ae6854c8a2be471b9d84

Detects logon events that specify new credentials

Log source

product
windows
service
security

Detection

selection:
    EventID: 4624
    LogonType: 9
condition: selection

False positives (as the rule lists them)

  • Legitimate remote administration activity

Tags

  • attack.lateral-movement
  • attack.t1550

MITRE ATT&CK ids this rule names

References

Read on 2026-11-03T00:58:21.399Z under licence sigma-drl-1.1@d5f4c36a from https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules/windows/builtin/security/account_management/win_security_susp_logon_newcredentials.yml

Sources and licences

  • SigmaHQ

    "Outgoing Logon with New Credentials" by Max Altgelt (Nextron Systems) (SigmaHQ). Rule: https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules/windows/builtin/security/account_management/win_security_susp_logon_newcredentials.yml.
    Licensed under the Detection Rule License (DRL) 1.1: https://github.com/SigmaHQ/Detection-Rule-License

    Detection Rule License (DRL) 1.1

Cite this page

Dragons Eye Ransomware Tracker, "Sigma rule: Outgoing Logon with New Credentials",
entity page, dataset version ref-42f6db0717ea, updated 2022-04-06T00:00:00.000Z,
https://ransomware-tracker.com/detections/sigma/def8b624-e08f-4ae1-8612-1ba21190da6b (accessed 2026-11-03).
Underlying source: SigmaHQ rule def8b624-e08f-4ae1-8612-1ba21190da6b, commit ccbb0369507f796db0b0ae6854c8a2be471b9d84.

Pages change. The dataset version identifies the data, but no archive of old versions is kept, so this citation cannot be replayed later.