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Intel Slim Bootloader Six Flaws: Detection & IOCs

Six Slim Bootloader flaws in Intel's advisory allow privilege escalation, DoS or data corruption. Get 9 detection rules, 11 IOCs and a free Splunk SPL rule.

Read the full threat intel for Intel Slim Bootloader Six Flaws: Detection & IOCs →

Chapters

  1. 0:00The hookIntel disclosed six boot firmware flaws.
  2. 0:04The storyIntel published the advisory in November.
  3. 0:11Attack pathIntel reports flaws needing local or physical access.
  4. 0:26AttributionNo threat actor is attributed.
  5. 0:31Indicators of compromise7 indicators to hunt: 1 URL, 1 hash and 1 file name, and more.
  6. 0:38MITRE ATT&CK techniques2 ATT&CK techniques, from persistence to impact.
  7. 0:43Remediation2 steps now: Update Intel Slim Bootloader to commit.
  8. 0:50Detection rules9 detection rules, in SPL, KQL and Sigma.
Transcript

0:00Intel disclosed six boot firmware flaws.

0:05Intel published the advisory in November.

0:07The fix was committed in July.

0:11Intel reports flaws needing local or physical access.

0:15Some allow privilege escalation in boot firmware.

0:18Others corrupt data or cause denial of service.

0:21Update to the July build or later.

0:27No threat actor is attributed. Confidence: low.

0:317 indicators to hunt: 1 URL, 1 hash and 1 file name, and more.

0:382 ATT&CK techniques, from persistence to impact.

0:432 steps now: Update Intel Slim Bootloader to commit.

0:519 detection rules, in SPL, KQL and Sigma.

0:56Threadlinqs. The unified security engineering platform.