Ensure Unauthorized Applications are reported

高等級 1自動化aix

說明

At Level 1, utilize Trusted Execution (TE) to log execution of applications not yet allowlisted. This can be used to update the allowlist (TSD - /etc/security/tsd/tsd.dat) so that, at Profile Level 2, non-listed applications are actually prevented from executing. Trusted Execution (TE) provides an additional layer of access controls to processes on top of the base Discretionary Access Controls. Monitoring how processes access system resources can improve awareness of system integrity. Audit: automated read-only check derived from the CIS audit procedure; it prints "compliant" when the control is met.

檢查方式

稽核方法: Shell 指令

shell

command -v trustchk >/dev/null 2>&1 || exit 1; out=$(trustchk -p TE CHKEXEC 2>/dev/null) || exit 1; r=compliant; for p in "^TE=ON$" "^CHKEXEC=ON$"; do printf '%s\n' "$out" | grep -Eq "$p" || r="missing $p"; done; grep -Eq "^[[:blank:]]*kern\.info[[:blank:]]" /etc/syslog.conf 2>/dev/null || r="kern.info not collected in /etc/syslog.conf"; echo "$r"

預期輸出: compliant

修補方式

修補方法: 操作指南或基礎設施修補檔

1. Run the following command: # /usr/sbin/trustchk -p TE=ON CHKEXEC=ON 2. If logging for kern.info events is not already configured: Run the following commands: # /usr/bin/mkdir -p /var/log/syslog # /usr/bin/touch /var/log/syslog/kernel.log # print "kern.info /var/log/syslog/kernel.log rotate time 1d files 30 compress" >> /etc/syslog.conf # /usr/bin/refresh -s syslogd || /usr/bin/startsrc -s syslogd Note: Log retention periods should be configured as per site policy.

屬性

作業系統: 不限
標籤: aixhardening
參考資料: CIS IBM AIX 7 Benchmark v1.2.0 - 2.4 Ensure Unauthorized Applications are reported

檢查此主機

請在您有權稽核的機器上執行此指令。掃描為唯讀操作。

shell

tmaegis scan --target aix