title: Default Credentials Usage
id: 1a395cbc-a84a-463a-9086-ed8a70e573c7
status: experimental
description: |
Before deploying any new asset, change all default passwords to have values consistent with administrative level accounts.
Sigma detects default credentials usage. Sigma for Qualys vulnerability scanner. Scan type - Vulnerability Management.
references:
- https://www.cisecurity.org/controls/cis-controls-list/
- https://www.pcisecuritystandards.org/documents/PCI_DSS_v3-2-1.pdf
- https://nvlpubs.nist.gov/nistpubs/CSWP/NIST.CSWP.04162018.pdf
- https://community.qualys.com/docs/DOC-6406-reporting-toolbox-focused-search-lists
author: Alexandr Yampolskyi, SOC Prime
date: 2019-03-26
modified: 2025-11-01
tags:
- attack.initial-access
# - CSC4
# - CSC4.2
# - NIST CSF 1.1 PR.AC-4
# - NIST CSF 1.1 PR.AT-2
# - NIST CSF 1.1 PR.MA-2
# - NIST CSF 1.1 PR.PT-3
# - ISO 27002-2013 A.9.1.1
# - ISO 27002-2013 A.9.2.2
# - ISO 27002-2013 A.9.2.3
# - ISO 27002-2013 A.9.2.4
# - ISO 27002-2013 A.9.2.5
# - ISO 27002-2013 A.9.2.6
# - ISO 27002-2013 A.9.3.1
# - ISO 27002-2013 A.9.4.1
# - ISO 27002-2013 A.9.4.2
# - ISO 27002-2013 A.9.4.3
# - ISO 27002-2013 A.9.4.4
# - PCI DSS 3.2 2.1
# - PCI DSS 3.2 7.1
# - PCI DSS 3.2 7.2
# - PCI DSS 3.2 7.3
# - PCI DSS 3.2 8.1
# - PCI DSS 3.2 8.2
# - PCI DSS 3.2 8.3
# - PCI DSS 3.2 8.7
logsource:
product: qualys
detection:
selection:
host.scan.vuln:
- 10693
- 11507
- 11633
- 11804
- 11821
- 11847
- 11867
- 11931
- 11935
- 11950
- 12541
- 12558
- 12559
- 12560
- 12562
- 12563
- 12565
- 12587
- 12590
- 12599
- 12702
- 12705
- 12706
- 12907
- 12928
- 12929
- 13053
- 13178
- 13200
- 13218
- 13241
- 13253
- 13274
- 13296
- 13301
- 13327
- 13373
- 13374
- 13409
- 13530
- 13532
- 20065
- 20073
- 20081
- 27202
- 27358
- 38702
- 38719
- 42045
- 42417
- 43029
- 43220
- 43221
- 43222
- 43223
- 43225
- 43246
- 43431
- 43484
- 86857
- 87098
- 87106
condition: selection
falsepositives:
- Unknown
level: medium