Infosec Fortress

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Updated: May 5, 2026 at 3:23 AM

Infosec Fortress

In this channel, I put interesting stuff about computer systems security

Join @Infosec_Fortress for exclusive stuff and systems content and discussions in 1

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Infosec Fortress

Apr 26, 2026, 08:54 PM

Exploit Development: Unveiling Windows ARM64 Pointer Authentication (PAC)

https://connormcgarr.github.io/windows-pac-arm64/

#windows
#exploitation
#arm64
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533

Infosec Fortress

Apr 26, 2026, 08:54 PM

Buy A Help Desk, Bundle A Remote Access Solution? (SolarWinds Web Help Desk Pre-Auth RCE Chain(s))

https://labs.watchtowr.com/buy-a-help-desk-bundle-a-remote-access-solution-solarwinds-web-help-desk-pre-auth-rce-chain-s/

#web
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559

Infosec Fortress

Apr 26, 2026, 08:54 PM

Speculating the entire x86-64 Instruction Set In Seconds with This One Weird Trick

🔗 https://blog.can.ac/2021/03/22/speculating-x86-64-isa-with-one-weird-trick/

#microarchitecture
#intel
#x86_64
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551

Infosec Fortress

Apr 26, 2026, 08:54 PM

[  42.1337] #security: EXAM: Exploiting Exclusive System-Level Cache in Apple M-Series SoCs for Enhanced Cache Occupancy Attacks

https://arxiv.org/html/2504.13385v1

Apparently the shared cache inside Apple M chips (the System Level Cache that both CPU and GPU use) can accidentally act like a little "activity meter" for the whole system. If you measure how busy or full it gets, you can infer what other parts of the chip are doing even if you're running somewhere else. The authors use that signal for things people don't expect a cache to reveal, like guessing which websites are being loaded from the pattern alone and even getting rough clues about what's on screen based on how the GPU renders frames. It wraps up with an "add noise" style mitigation that tries to blur the leak without much overhead.

500

Infosec Fortress

Apr 26, 2026, 08:54 PM

Breaking eBPF Security: How Kernel Rootkits Blind Observability Tools

🔗 https://matheuzsecurity.github.io/hacking/ebpf-security-tools-hacking/

#linux
#kernel
#ebpf
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608

Infosec Fortress

Apr 26, 2026, 08:54 PM

Reviving the modprobe_path Technique: Overcoming search_binary_handler() Patch

🔗 https://theori.io/blog/reviving-the-modprobe-path-technique-overcoming-search-binary-handler-patch

#linux
#exploitation
#kernel
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521

Infosec Fortress

Apr 26, 2026, 08:54 PM

📷 Photo

Slides and recordings for our https://t.me/FOSDEM talks are up! Join [Björn Ruytenberg] and [Sina Karvandi] for an in-depth introduction into https://t.me/HyperDbg 's features and internals, or find out what's the latest in anti-anti-debugging techniques and HV transparency for malware reversing:

- https://fosdem.org/2026/schedule/event/APB9WC-mbec_slat_and_hyperdbg_hypervisor-based_kernel-_and_user-mode_debugging/

- https://fosdem.org/2026/schedule/event/CDPRDX-invisible_hypervisors_debugging_with_hyperdbg/

494

Infosec Fortress

Apr 26, 2026, 08:54 PM

On the clock: Escaping VMware Workstation at Pwn2Own Berlin 2025

🔗 https://www.synacktiv.com/en/publications/on-the-clock-escaping-vmware-workstation-at-pwn2own-berlin-2025

#virtualization
#exploitation
#vmware
#pwn2own
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638

Infosec Fortress

Apr 26, 2026, 08:54 PM

[Cryptodev-linux] Page-level UAF exploitation

🔗 https://nasm.re/posts/cryptodev-linux-vuln/

#exploitation
#linux
#kernel
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626

Infosec Fortress

Apr 26, 2026, 08:54 PM

DirtyPipe - CVE-2022-0847

🔗 https://0xnull007.github.io/posts/dirtypipe-cve-2022-0847

#exploitation
#linux
#kernel
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683

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