Detections
Analytics

1.121 AZLX-23-002255

Information

Amazon Linux 2023 must generate audit records for all account creations, modifications, disabling, and termination events that affect /etc/shadow.

GROUP ID: V-274114RULE ID: SV-274114r1120330

In addition to auditing new user and group accounts, these watches will alert the system administrator(s) (SAs) to any modifications. Any unexpected users, groups, or modifications should be investigated for legitimacy.

Satisfies: SRG-OS-000004-GPOS-00004, SRG-OS-000037-GPOS-00015, SRG-OS-000042-GPOS-00020, SRG-OS-000062-GPOS-00031, SRG-OS-000304-GPOS-00121, SRG-OS-000392-GPOS-00172, SRG-OS-000462-GPOS-00206, SRG-OS-000470-GPOS-00214, SRG-OS-000471-GPOS-00215, SRG-OS-000239-GPOS-00089, SRG-OS-000240-GPOS-00090, SRG-OS-000241-GPOS-00091, SRG-OS-000303-GPOS-00120, SRG-OS-000466-GPOS-00210, SRG-OS-000476-GPOS-00221, SRG-OS-000275-GPOS-00105

Solution

Configure Amazon Linux 2023 to generate audit records for all account creations, modifications, disabling, and termination events that affect "/etc/shadow".

Add or update the following file system rule to "/etc/audit/rules.d/audit.rules":

-w /etc/shadow -p wa -k identity

To load the rules to the kernel immediately, use the following command:

$ sudo augenrules --load

See Also

https://workbench.cisecurity.org/benchmarks/26107

Item Details

Category: ACCESS CONTROL, AUDIT AND ACCOUNTABILITY, MAINTENANCE

References: 800-53|AC-2(1), 800-53|AC-2(4), 800-53|AU-3, 800-53|AU-3(1), 800-53|AU-12a., 800-53|AU-12c., 800-53|MA-4(1), CAT|II, CCI|CCI-000015, CCI|CCI-000018, CCI|CCI-000130, CCI|CCI-000135, CCI|CCI-000169, CCI|CCI-000172, CCI|CCI-001403, CCI|CCI-001404, CCI|CCI-001405, CCI|CCI-002130, CCI|CCI-002884, Rule-ID|SV-274114r1120330_rule, STIG-ID|AZLX-23-002255, Vuln-ID|V-274114

Plugin: Unix

Control ID: d5150d83f3b2be4f27c8bef5ca5f7eba4b53bdcd42d3fb327a3f2c01652a18db