The reconstructed evaluation script behind this rule's OVAL check(s) — every module a compound check combines, with this rule's own concrete values and DISA's SCC tool's real per-module mechanism curated from static teardown of SCC releases.
#!/bin/bash
# Reconstructed from oval:mil.disa.stig.ol8os:def:248837
# OL 8 must be configured to disable the ability to use USB mass storage devices.
# Per-module read mechanism curated from static teardown of DISA's SCC tool
# (SCAP Compliance Checker) -- see the SCC Automation Reference above.
# /etc/modprobe.d contains a file that contains 'install usb-storage /bin/false'
# textfilecontent54_object (textfilecontent54_test)
test_1() {
grep -rqP --include='*' '^[ \t]*install[ \t]+usb-storage[ \t]+/bin/false[ \t]*$' '/etc/modprobe.d' &>/dev/null
}
# /etc/modprobe.d contains a file that contains 'blacklist usb-storage'
# textfilecontent54_object (textfilecontent54_test)
test_2() {
grep -rqP --include='*' '^[ \t]*blacklist[ \t]+usb-storage[ \t]*$' '/etc/modprobe.d' &>/dev/null
}
if ( test_1 && test_2 ); then
echo "PASS"
else
echo "FAIL"
fi Assessment Script Powered by AISandbox-executed
A standalone Shell script to assess this control automatically. Review before running it in your environment.
Syntax-checked and actually executed in an isolated sandbox (not the real system this checks) — confirmed to run without errors.
#!/bin/sh
# OVAL Definition: oval:mil.disa.stig.ol8os:def:248837
if [ ! -d "/etc/modprobe.d" ]; then echo "PASS"; exit 0; fi
if [ $(grep -c "install usb-storage /bin/false" /etc/modprobe.d/.*) -ge 1 ] && [ $(grep -c "blacklist usb-storage" /etc/modprobe.d/.*) -ge 1 ]; then echo "PASS"; exit 0; else echo "FAIL"; exit 1; fi