Sleeping Beauty II: CFG, CET, and Stack Spoofing
Original textby Maor Sabag
Sleeping Beauty II: CFG, CET, and Stack Spoofing
A tale of CFG bitmaps, shadow stacks, and teaching an implant to sleep in places it was never meant to survive.
In Part I, we built StealthPalace: a Crystal Palace RDLL wrapper for Adaptix with IAT hooking and Ekko-style sleep obfuscation. It worked…
https://core-jmp.org/2026/06/sleeping-beauty-ii-cfg-cet-and-stack-spoofing/
Original textby Maor Sabag
Sleeping Beauty II: CFG, CET, and Stack Spoofing
A tale of CFG bitmaps, shadow stacks, and teaching an implant to sleep in places it was never meant to survive.
In Part I, we built StealthPalace: a Crystal Palace RDLL wrapper for Adaptix with IAT hooking and Ekko-style sleep obfuscation. It worked…
https://core-jmp.org/2026/06/sleeping-beauty-ii-cfg-cet-and-stack-spoofing/
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ФРИИ и Metascan запускают совместный фонд для инвестиций в проекты в сфере кибербезопасности 🔐
Сделали сильный продукт, но сложно расти дальше? Не получается выстроить системные продажи, выйти в крупные компании или масштабировать бизнес?
Мы ищем B2B-проекты с готовым продуктом и помогаем не только привлечь инвестиции, но и пройти следующий этап роста.
Что получают команды:
— Инвестиции от 5 до 100 млн рублей
— Экспертиза Metascan и доступ к корпоративным клиентам
около 100 компаний, среди которых энтерпрайз, банки, ритейл
— Системная помощь в продажах и масштабировании
работа с трекерами ФРИИ, настройка процессов продаж, архитектурные ревью
ФРИИ – один из крупнейших венчурных фондов и акселераторов России.
Среди портфельных компаний Flowwow, ПравоТех, DocsinBox, Aimoto, PimSolution и др
Metascan – команда практиков в кибербезопасности и offensive security.
Если вы развиваете CyberSec-проект и готовы к следующему этапу роста:
👉 оставляйте заявку
Сделали сильный продукт, но сложно расти дальше? Не получается выстроить системные продажи, выйти в крупные компании или масштабировать бизнес?
Мы ищем B2B-проекты с готовым продуктом и помогаем не только привлечь инвестиции, но и пройти следующий этап роста.
Что получают команды:
— Инвестиции от 5 до 100 млн рублей
— Экспертиза Metascan и доступ к корпоративным клиентам
около 100 компаний, среди которых энтерпрайз, банки, ритейл
— Системная помощь в продажах и масштабировании
работа с трекерами ФРИИ, настройка процессов продаж, архитектурные ревью
ФРИИ – один из крупнейших венчурных фондов и акселераторов России.
Среди портфельных компаний Flowwow, ПравоТех, DocsinBox, Aimoto, PimSolution и др
Metascan – команда практиков в кибербезопасности и offensive security.
Если вы развиваете CyberSec-проект и готовы к следующему этапу роста:
👉 оставляйте заявку
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From context_handle to type confusion: A Windows RPC Vulnerability Pattern
Original text: “From context_handle to type confusion” — k0shl, Whereisk0Shl (2026-06-26). The prose below is a paraphrase; all code listings, IDL descriptor bytes and crash dumps are reproduced verbatim with attribution captions.
Executive Summary
Context handles are one of the most common building blocks in Microsoft RPC. Inside rpcrt4 a context handle behaves like an…
https://core-jmp.org/2026/06/from-context-handle-to-type-confusion-windows-rpc-2/
Original text: “From context_handle to type confusion” — k0shl, Whereisk0Shl (2026-06-26). The prose below is a paraphrase; all code listings, IDL descriptor bytes and crash dumps are reproduced verbatim with attribution captions.
Executive Summary
Context handles are one of the most common building blocks in Microsoft RPC. Inside rpcrt4 a context handle behaves like an…
https://core-jmp.org/2026/06/from-context-handle-to-type-confusion-windows-rpc-2/
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iBoot SMMU Bypass and Kernelcache Struct Forgery on Apple Silicon
Original text: “iBoot SMMU Bypass and Kernelcache Struct Forgery” — author not clearly listed, Ghost Wolf Lab (Jun 25, 2026). Code, tables and figures below are reproduced verbatim with attribution captions; Chinese text in the diagrams, code comments and table has been translated into English.
Executive Summary
Apple Silicon’s security model rests on a chain…
https://core-jmp.org/2026/06/iboot-smmu-bypass-kernelcache-struct-forgery/
Original text: “iBoot SMMU Bypass and Kernelcache Struct Forgery” — author not clearly listed, Ghost Wolf Lab (Jun 25, 2026). Code, tables and figures below are reproduced verbatim with attribution captions; Chinese text in the diagrams, code comments and table has been translated into English.
Executive Summary
Apple Silicon’s security model rests on a chain…
https://core-jmp.org/2026/06/iboot-smmu-bypass-kernelcache-struct-forgery/
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Dissecting and Exploiting Linux LPE Variant: DirtyClone (CVE-2026-43503)
Original text: “Dissecting and Exploiting Linux LPE Variant: DirtyClone (CVE-2026-43503)” — Eddy Tsalolikhin and Or Peles, JFrog Security Research (25 Jun 2026). Code, figures and the PoC video below are reproduced verbatim with attribution captions.
Executive Summary
CVE-2026-43503, nicknamed DirtyClone, is a high-severity (CVSS 8.8) local privilege escalation in the Linux kernel. It is the…
https://core-jmp.org/2026/06/dirtyclone-cve-2026-43503-linux-lpe/
Original text: “Dissecting and Exploiting Linux LPE Variant: DirtyClone (CVE-2026-43503)” — Eddy Tsalolikhin and Or Peles, JFrog Security Research (25 Jun 2026). Code, figures and the PoC video below are reproduced verbatim with attribution captions.
Executive Summary
CVE-2026-43503, nicknamed DirtyClone, is a high-severity (CVSS 8.8) local privilege escalation in the Linux kernel. It is the…
https://core-jmp.org/2026/06/dirtyclone-cve-2026-43503-linux-lpe/
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Pack2TheRoot (CVE-2026-41651): Local Root on Linux via a PackageKit Race Condition
Original text: “Privilege Escalation: Getting Started with the Pack2TheRoot (CVE-2026-41651) Vulnerability to Escalate Privileges” — aircorridor, Hackers Arise (May 1, 2026). Commands and figures below are reproduced verbatim with attribution captions.
Executive Summary
A high-severity vulnerability nicknamed Pack2TheRoot (CVE-2026-41651) was publicly disclosed and affects the default installation of many Linux distributions. The flaw lives in…
https://core-jmp.org/2026/06/pack2theroot-cve-2026-41651-linux-privilege-escalation/
Original text: “Privilege Escalation: Getting Started with the Pack2TheRoot (CVE-2026-41651) Vulnerability to Escalate Privileges” — aircorridor, Hackers Arise (May 1, 2026). Commands and figures below are reproduced verbatim with attribution captions.
Executive Summary
A high-severity vulnerability nicknamed Pack2TheRoot (CVE-2026-41651) was publicly disclosed and affects the default installation of many Linux distributions. The flaw lives in…
https://core-jmp.org/2026/06/pack2theroot-cve-2026-41651-linux-privilege-escalation/
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IDT Table Hijacking under VBS/HVCI/kCET in Windows 11
Original text: “IDT Table Hijacking under VBS/HVCI/kCET in Windows 11” — author not clearly listed (Exploit Pack), Exploit Pack blog (June 26, 2026). Figures and the descriptor-format table below are reproduced with attribution captions.
Executive Summary
Modern Windows 11 stacks several kernel-protection layers on top of each other: Virtualization-Based Security (VBS), Hypervisor-protected Code Integrity (HVCI),…
https://core-jmp.org/2026/06/idt-table-hijacking-vbs-hvci-kcet-windows-11/
Original text: “IDT Table Hijacking under VBS/HVCI/kCET in Windows 11” — author not clearly listed (Exploit Pack), Exploit Pack blog (June 26, 2026). Figures and the descriptor-format table below are reproduced with attribution captions.
Executive Summary
Modern Windows 11 stacks several kernel-protection layers on top of each other: Virtualization-Based Security (VBS), Hypervisor-protected Code Integrity (HVCI),…
https://core-jmp.org/2026/06/idt-table-hijacking-vbs-hvci-kcet-windows-11/
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Disposable Tooling: Generating Mythic C2 Agents End-to-End With LLMs
Original text: “Disposable Tooling: Building LLM-Generated Mythic Agents from Prompt to Deployment” — Adam Chester, SpecterOps (Jun 24, 2026). Figures are reproduced with attribution captions and the agent summary table is reproduced verbatim; the prose below is an independent summary.
Executive Summary
Building a working agent for a command-and-control framework like Mythic has traditionally been…
https://core-jmp.org/2026/07/llm-generated-mythic-agents-disposable-tooling/
Original text: “Disposable Tooling: Building LLM-Generated Mythic Agents from Prompt to Deployment” — Adam Chester, SpecterOps (Jun 24, 2026). Figures are reproduced with attribution captions and the agent summary table is reproduced verbatim; the prose below is an independent summary.
Executive Summary
Building a working agent for a command-and-control framework like Mythic has traditionally been…
https://core-jmp.org/2026/07/llm-generated-mythic-agents-disposable-tooling/
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Unprivileged Root via Use-After-Free in Linux DRM GEM change_handle (CVE-2026-46215)
Original text: “Unprivileged root via a use-after-free in DRM GEM change_handle (CVE-2026-46215)” — cyberstan, cyberstan.co.uk (12 April 2026). Code blocks and figures below are reproduced verbatim with attribution captions.
Executive Summary
CVE-2026-46215 is a use-after-free (UAF) race condition in the Linux kernel’s Direct Rendering Manager (DRM) GEM subsystem, triggered through the drm_gem_change_handle_ioctl() interface. The ioctl…
https://core-jmp.org/2026/07/unprivileged-root-via-use-after-free-in-linux-drm-gem-change_handle-cve-2026-46215/
Original text: “Unprivileged root via a use-after-free in DRM GEM change_handle (CVE-2026-46215)” — cyberstan, cyberstan.co.uk (12 April 2026). Code blocks and figures below are reproduced verbatim with attribution captions.
Executive Summary
CVE-2026-46215 is a use-after-free (UAF) race condition in the Linux kernel’s Direct Rendering Manager (DRM) GEM subsystem, triggered through the drm_gem_change_handle_ioctl() interface. The ioctl…
https://core-jmp.org/2026/07/unprivileged-root-via-use-after-free-in-linux-drm-gem-change_handle-cve-2026-46215/
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Breaking Out of Chrome’s Sandbox: A Native Messaging Backdoor Observed in Italy
Original text: “Breaking Out of Chrome’s Sandbox: A Native Messaging Backdoor Observed in Italy” — Andrea Draghetti, D3Lab (June 22, 2026). Code blocks, tables, and figures below are reproduced verbatim with attribution captions.
Executive Summary
In June 2026, Italian security firm D3Lab documented a targeted malware campaign distributing a compound browser threat via invoice-themed phishing…
https://core-jmp.org/2026/07/breaking-out-of-chromes-sandbox-native-messaging-backdoor-italy/
Original text: “Breaking Out of Chrome’s Sandbox: A Native Messaging Backdoor Observed in Italy” — Andrea Draghetti, D3Lab (June 22, 2026). Code blocks, tables, and figures below are reproduced verbatim with attribution captions.
Executive Summary
In June 2026, Italian security firm D3Lab documented a targeted malware campaign distributing a compound browser threat via invoice-themed phishing…
https://core-jmp.org/2026/07/breaking-out-of-chromes-sandbox-native-messaging-backdoor-italy/
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CVE-2026-43503: Python PoC for DirtyClone, a Linux kernel LPE via page-cache corruption exploit https://github.com/entra1337/DirtyClone
GitHub
GitHub - entra1337/DirtyClone: Python Proof of Concept for DirtyClone (CVE-2026-43503) - Linux kernel LPE via page-cache corruption
Python Proof of Concept for DirtyClone (CVE-2026-43503) - Linux kernel LPE via page-cache corruption - entra1337/DirtyClone
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HDD Firmware Hacking Part 1
Original text: “HDD Firmware Hacking Part 1” — Ryan Miceli, icode4.coffee (May 14, 2026). Code blocks and screenshots are reproduced verbatim with attribution captions.
Executive Summary
Reverse engineering and modifying hard drive firmware sounds exotic, but the primitives turn out to be surprisingly accessible once you know where to look. In this first installment, security…
https://core-jmp.org/2026/07/hdd-firmware-hacking-part-1/
Original text: “HDD Firmware Hacking Part 1” — Ryan Miceli, icode4.coffee (May 14, 2026). Code blocks and screenshots are reproduced verbatim with attribution captions.
Executive Summary
Reverse engineering and modifying hard drive firmware sounds exotic, but the primitives turn out to be surprisingly accessible once you know where to look. In this first installment, security…
https://core-jmp.org/2026/07/hdd-firmware-hacking-part-1/
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Callback Hell: Abusing Callbacks, Tail-Calls, and Proxy Frames to Obfuscate the Stack
Original text: “Callback hell: abusing callbacks, tail-calls, and proxy frames to obfuscate the stack” — klezVirus, personal security research blog (December 21, 2025). Code, tables and figures below are reproduced verbatim with attribution captions. Licensed under CC BY 4.0.
Executive Summary
This post by klezVirus explores a set of novel techniques for obfuscating call stacks…
https://core-jmp.org/2026/07/callback-hell-stack-obfuscation-proxy-frames/
Original text: “Callback hell: abusing callbacks, tail-calls, and proxy frames to obfuscate the stack” — klezVirus, personal security research blog (December 21, 2025). Code, tables and figures below are reproduced verbatim with attribution captions. Licensed under CC BY 4.0.
Executive Summary
This post by klezVirus explores a set of novel techniques for obfuscating call stacks…
https://core-jmp.org/2026/07/callback-hell-stack-obfuscation-proxy-frames/
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The QNAP Pattern: Systemic Security Failures in QTS Plugin Architecture
Original text: “The QNAP Pattern” — Runic Labs. Code blocks, tables, and figures are reproduced verbatim with attribution captions.
Executive Summary
QNAP NAS devices suffer from a recurring class of architectural security failures that go well beyond individual CVEs. Researchers at Runic Labs analyzed four vulnerabilities spanning two plugins—Notes Station 3 and QmailAgent—and found that…
https://core-jmp.org/2026/07/the-qnap-pattern-systemic-security-failures-in-qts-plugin-architecture/
Original text: “The QNAP Pattern” — Runic Labs. Code blocks, tables, and figures are reproduced verbatim with attribution captions.
Executive Summary
QNAP NAS devices suffer from a recurring class of architectural security failures that go well beyond individual CVEs. Researchers at Runic Labs analyzed four vulnerabilities spanning two plugins—Notes Station 3 and QmailAgent—and found that…
https://core-jmp.org/2026/07/the-qnap-pattern-systemic-security-failures-in-qts-plugin-architecture/
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