{"description": "Ensure that successful attempts to delete a file are audited.\n\nThe following rules configure audit as described above:\n<pre>## Successful file delete\n-a always,exit -F arch=b32 -S unlink,unlinkat,rename,renameat -F success=1 -F auid&gt;=1000 -F auid!=unset -F key=successful-delete\n-a always,exit -F arch=b64 -S unlink,unlinkat,rename,renameat -F success=1 -F auid&gt;=1000 -F auid!=unset -F key=successful-delete    </pre>\n\nLoad new Audit rules into kernel by running:\n<pre>augenrules --load</pre>\n\nNote: This rule uses a special set of Audit rules to comply with OSPP 4.2.1. You may reuse this rule in different profiles. If you decide to do so, it is recommended that you inspect contents of the file closely and make sure that they are aligned with your needs.", "rationale": "Auditing of successful attempts to delete a file may help in monitoring and investigation of activities performed on the system.", "severity": "medium", "references": {"nist": ["AU-2(a)"], "ospp": ["FAU_GEN.1.1.c"], "srg": ["SRG-OS-000458-GPOS-00203", "SRG-OS-000474-GPOS-00219", "SRG-OS-000475-GPOS-00220", "SRG-OS-000463-GPOS-00207", "SRG-OS-000465-GPOS-00209", "SRG-OS-000461-GPOS-00205", "SRG-OS-000468-GPOS-00212"]}, "control_references": {}, "components": [], "identifiers": {}, "ocil_clause": "the file does not exist or the content differs", "ocil": "To verify that the <tt>Audit</tt> is correctly configured according to recommended rules, check the content of the file with the following command:\n<pre>cat /etc/audit/rules.d/30-ospp-v42-4-delete-success.rules</pre>\nThe output has to be exactly as follows:\n<pre>## Successful file delete\n-a always,exit -F arch=b32 -S unlink,unlinkat,rename,renameat -F success=1 -F auid&gt;=1000 -F auid!=unset -F key=successful-delete\n-a always,exit -F arch=b64 -S unlink,unlinkat,rename,renameat -F success=1 -F auid&gt;=1000 -F auid!=unset -F key=successful-delete    </pre>", "oval_external_content": null, "fixtext": "Configure Ubuntu 22.04 to audit all successful attempts to delete a file.\n\nCreate file \"/etc/audit/rules.d/30-ospp-v42-4-delete-success.rules\" with the exactly following content:\n\n## Successful file delete\n-a always,exit -F arch=b32 -S unlink,unlinkat,rename,renameat -F success=1 -F auid&gt;=1000 -F auid!=unset -F key=successful-delete\n-a always,exit -F arch=b64 -S unlink,unlinkat,rename,renameat -F success=1 -F auid&gt;=1000 -F auid!=unset -F key=successful-delete\n\nThen, run the following commands:\n\n$ sudo chmod o-rwx /etc/audit/rules.d/30-ospp-v42-4-delete-failed.rules\n$ sudo augenrules --load", "checktext": "", "vuldiscussion": "", "srg_requirement": "", "warnings": [], "conflicts": [], "requires": [], "policy_specific_content": {}, "platform": null, "platforms": [], "sce_metadata": {}, "inherited_platforms": ["system_with_kernel"], "cpe_platform_names": [], "inherited_cpe_platform_names": ["system_with_kernel"], "bash_conditional": null, "fixes": {}, "title": "Configure auditing of successful file deletions", "definition_location": "/aptdata/openscap/scap-security-guide/linux_os/guide/auditing/policy_rules/audit_delete_success/rule.yml", "template": {"name": "audit_file_contents", "vars": {"filepath": "/etc/audit/rules.d/30-ospp-v42-4-delete-success.rules", "contents": "## Successful file delete\n-a always,exit -F arch=b32 -S unlink,unlinkat,rename,renameat -F success=1 -F auid&gt;=1000 -F auid!=unset -F key=successful-delete\n-a always,exit -F arch=b64 -S unlink,unlinkat,rename,renameat -F success=1 -F auid&gt;=1000 -F auid!=unset -F key=successful-delete"}, "backends": {}}}