4.1.5 Ensure events that modify user/group information are collected - 'auditctl /etc/passwd'

Information

Unexpected changes to these files could be an indication that the system has been compromised and that an unauthorized user is attempting to hide their activities or compromise additional accounts.

Solution

Add the following lines to the /etc/audit/audit.rules file:
-w /etc/group -p wa -k identity
-w /etc/passwd -p wa -k identity
-w /etc/gshadow -p wa -k identity
-w /etc/shadow -p wa -k identity
-w /etc/security/opasswd -p wa -k identity

See Also

https://workbench.cisecurity.org/files/1863

Item Details

Category: AUDIT AND ACCOUNTABILITY

References: 800-53|AU-12c., CSCv6|5.4

Plugin: Unix

Control ID: e7c7bde7d7d124502e4ac66ecc1c86747f206af4ce6d8c82d5d12005f113fb0e