Forensia CTI Core

Summary

Ingested excerpt (first ~500 chars of normalized text).

Forgotten UEFI shims undermining Secure Boot ESET researchers discovered 11 vulnerable UEFI shim bootloaders signed by Microsoft that allow attackers to bypass UEFI Secure Boot by exploiting decade-old vulnerabilities Forgotten UEFI shims undermining Secure Boot Award-winning news, views, and insight from the ESET security community English Español Deutsch Português Français TIPS & ADVICE BUSINESS SECURITY ESET RESEARCH About ESET Research Blogposts Podcasts White paper…

https://www.welivesecurity.com/en/eset-research/forgotten-uefi-shims-undermining-secure-boot

sha256:82b23eb1ebaa661cf09ccffb62eed54f5d7fe6c77a17a9a8f9e246d680da490c

What we pulled out

Deterministic extractor (IOC + allowlisted tokens + ATT&CK IDs present in DB).

cve8
md50
url0
ipv40
ipv60
sha11
domain2
sha25611
malware_token0
attack_pattern0
threat_actor_token0

Indicators

Linked with report → mentions → indicator. Values open the indicator workspace.

Type	Value	Link
domain	eset.com	Open →
cve	CVE-2026-8863	Open →
cve	CVE-2026-10797	Open →
domain	v74844-01.iso	Open →
sha1	2e434a724b4759c981e4189aa5ad3d635096dd2f	Open →
sha256	ae75f0d82ba3df824fbfc69340cc3b4d66c598373b1ab54cdb6c8bfd83a6b961	Open →

Malware families

Allowlist token matches only.

None extracted.

Threat actors mentioned

Allowlist mentions — not a formal attribution verdict.

None extracted.

ATT&CK techniques

MITRE IDs referenced in text and present in local technique table.

None linked (import ATT&CK or adjust text).

CONTINUE INVESTIGATION

High-signal pivots without leaving the thread you started in search.

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Intel graph (first IOC)
Neighborhood from the first linked indicator.

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