INSIDE THE PLATFORM Who are we Classic platforms Classic platform - PowerPoint PPT Presentation

Apr 28, 2023 •96 likes •453 views

THE HIDDEN DANGERS INSIDE THE PLATFORM Who are we Classic platforms Classic platform Modern platform Modern platform Modern platform Modern platform Attackers motivation Attackers motivation Stealth Persistence Low level

THE HIDDEN DANGERS INSIDE THE PLATFORM
Who are we
Classic platforms
Classic platform
Modern platform
Modern platform
Modern platform
Modern platform
Attackers motivation
Attackers motivation • Stealth • Persistence • Low level security bypass • Data intercepts (USB) • Side channel spying (sensors etc.) • Privilege escalation • VM escape
Attack surface review from the inside
Modern platform
Modern platform • Hide a tiny amounts of data in SPD • OLD attack – change SPD to indicated smaller RAM size and cause memory to wrap around
Modern platform • JEDEC eMMC spec 5.1 • Introduced FFU • FIELD FIRMWARE UPDATE
Modern platform
Modern platform
Modern platform
Modern platform
Modern platform
Modern platform
Modern platform
Modern platform
Modern platform
Modern platform The curious case of “pluggable” - USB 3.0 SATA dock for external HDD - Controller used is made by asmedia - Release a firmware update tool and patch back in 2013 - http://plugable.com/2013/03/05/usb3-sata-u3-firmware-update
Modern platform
Example - Malware gets installed on a platform via phishing etc. - It detects a vulnerable platform component. - Then uses that component for persistence on the device.
DEMO Internet Internal LTE Malware module C&C AV Platform
• Internal Huawei LTE modem • Connected via USB interface in M.2 socket
• Software • Windows utility for firmware updates • Firmware • Strings is useful • Hardware • Test pads?
• CVE-2015-5367: Insecure Linux Image in Firmware • CVE-2015-5368: Insecure Firmware Update Authentication
• All of the affected products: • Huawei • ME906V/J/E • HP • HP EliteBook 725 G2,HP EliteBook 745 G1,HP EliteBook 755 G2,HP EliteBook 820 G1,HP EliteBook 820 G2,HP EliteBook 840 G1,HP EliteBook 840 G2,HP EliteBook 850 G1,HP EliteBook 850 G2,HP EliteBook 1040 G1,HP EliteBook 1040 G2,HP EliteBook Folio 9470m,HP EliteBook Revolve 810 G2,HP EliteBook Revolve 810 G3,HP ElitePad 1000 G2,HP Elite x2 1011 G2,HP ProBook 430 G1,HP ProBook 430 G2,HP ProBook 440 G0,HP ProBook 440 G1,HP ProBook 440 G2,HP ProBook 450 G0,HP ProBook 450 G1,HP ProBook 450 G2,HP ProBook 640 G1,HP ProBook 645 G1,HP ProBook 650 G1,HP ProBook 655 G1,HP Pro x2 612 G1,HP Spectre x2 13-SMB Pro,HP ZBook 14,HP ZBook 14 G2,HP ZBook 15,HP ZBook 15 G2,HP ZBook 15u HP ZBook 17,HP Zbook 17 G2,mt41 Thin Client
Questions?

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