43 Ring0 PPTs View free & download

Rr0d: The Rasta Ring0 Debugger PowerPoint PPT Presentation

Rr0d: The Rasta Ring0 Debugger - Rr0d: The Rasta Ring0 Debugger Rr0d.droids-corp.org Summary What is a debugger? Why os independent - ring0 ? Which x86 feature should be handled?

Rr0d: The Rasta Ring0 Debugger Rr0d.droids-corp.org Summary What is a debugger? Why os independent - ring0 ? Which x86 feature should be handled?

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Rr0d: The Rasta Ring0 Debugger - Heap Visualizator (win, nux, ...) Conclusion. Being kernel independent has advantages: ... No modification of the heap structure while debugging (win) ...

Heap Visualizator (win, nux, ...) Conclusion. Being kernel independent has advantages: ... No modification of the heap structure while debugging (win) ...

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Special segmentregisters PowerPoint PPT Presentation

Special segmentregisters - L = Long (0=compatibility mode code/data, 1=64-bit code) ... instuction can be used by ring0 code to exchange the contents of these two ...

L = Long (0=compatibility mode code/data, 1=64-bit code) ... instuction can be used by ring0 code to exchange the contents of these two ...

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Processor Privilege-Levels PowerPoint PPT Presentation

Processor Privilege-Levels - offset (specifies the procedure's entry-point within its code-segment) parameter count (specifies how many parameter-values will be copied) ...

offset (specifies the procedure's entry-point within its code-segment) parameter count (specifies how many parameter-values will be copied) ...

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Processor PrivilegeLevels - ... stack-area to create automatic' variables that it uses for temporary workspace ... be able to examine whatever values are left behind in this ring 2 workspace ...

... stack-area to create automatic' variables that it uses for temporary workspace ... be able to examine whatever values are left behind in this ring 2 workspace ...

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EM64T - A look at the requirements for using Intel's syscall' and sysret' instructions in 64-bit mode ... selection of bits in the RFLAGS register when syscall' is executed ...

A look at the requirements for using Intel's syscall' and sysret' instructions in 64-bit mode ... selection of bits in the RFLAGS register when syscall' is executed ...

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Local Privilege Escalation By Hijacking The VMware VMX Process PowerPoint PPT Presentation

Local Privilege Escalation By Hijacking The VMware VMX Process - Title: PowerPoint Presentation Last modified by: sun bing Created Date: 1/1/1601 12:00:00 AM Document presentation format: Other titles

Title: PowerPoint Presentation Last modified by: sun bing Created Date: 1/1/1601 12:00:00 AM Document presentation format: Other titles

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Introduction to 8086 emulation PowerPoint PPT Presentation

Introduction to 8086 emulation - ... graphics) 1985: Windows 1.0 (to rival Macintosh) 1986: Windows 2.0 (80286 multitasking) Macintosh had 32-bit processor (M68000), ...

... graphics) 1985: Windows 1.0 (to rival Macintosh) 1986: Windows 2.0 (80286 multitasking) Macintosh had 32-bit processor (M68000), ...

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8086 emulation PowerPoint PPT Presentation

8086 emulation - 8086 emulation Using Virtual-8086 mode to execute real-mode procedures in a protected-mode environment Features of real-mode At power-up the Pentium begins executing ...

8086 emulation Using Virtual-8086 mode to execute real-mode procedures in a protected-mode environment Features of real-mode At power-up the Pentium begins executing ...

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Pond - Scans logs for completion or errors. Support for virtual nodes ... hosts monkey.cs orangutan.cs .... ULNFS ulnfs.cfg dynamic mortal 0. RP rp.cfg static daemon 0 ...

Scans logs for completion or errors. Support for virtual nodes ... hosts monkey.cs orangutan.cs .... ULNFS ulnfs.cfg dynamic mortal 0. RP rp.cfg static daemon 0 ...

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Turning off hypervisor and resuming OS in 100 instructions PowerPoint PPT Presentation

Turning off hypervisor and resuming OS in 100 instructions - ... may initiate the shutdown using the. VMCALL instruction (3-bytes ... the fly using Global pages ... task register (at first make busy TSS available) ; rdx ...

... may initiate the shutdown using the. VMCALL instruction (3-bytes ... the fly using Global pages ... task register (at first make busy TSS available) ; rdx ...

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Introduction to 8086 emulation - 1984: Macintosh (introduces graphics) 1985: Windows 1.0 (to rival Macintosh) ... Macintosh had 32-bit processor (M68000), but Windows 2.0 had 16-bit processor ...

1984: Macintosh (introduces graphics) 1985: Windows 1.0 (to rival Macintosh) ... Macintosh had 32-bit processor (M68000), but Windows 2.0 had 16-bit processor ...

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KIDS - KIDS Kernel Intrusion Detection System Rodrigo Rubira Branco Domingo Montanaro Questions?

KIDS Kernel Intrusion Detection System Rodrigo Rubira Branco Domingo Montanaro Questions?

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Constructing a VMX Demo PowerPoint PPT Presentation

Constructing a VMX Demo - ... to build a TSS that includes that bitmap' data-structure. The 80386 TSS format ... ( You will also need to enlarge the TSS to include an I/O permission bitmap. ...

... to build a TSS that includes that bitmap' data-structure. The 80386 TSS format ... ( You will also need to enlarge the TSS to include an I/O permission bitmap. ...

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Facilities for x86 debugging PowerPoint PPT Presentation

Facilities for x86 debugging - As you work on designing your solution for the ... How to do it ... Here's how to do it: $ objdump d hello hello.u (The -d' option stands for disassembly' ...

As you work on designing your solution for the ... How to do it ... Here's how to do it: $ objdump d hello hello.u (The -d' option stands for disassembly' ...

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The UART alternative PowerPoint PPT Presentation

The UART alternative - Last time we saw how the x86's trap-flag and debug-breakpoint ... This would spoil our kb2cable' application. read()' causes blocking' kb2cable' application ...

Last time we saw how the x86's trap-flag and debug-breakpoint ... This would spoil our kb2cable' application. read()' causes blocking' kb2cable' application ...

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Processor Exceptions PowerPoint PPT Presentation

Processor Exceptions - What about not-present' gates? ... When the fault' exception uses a 32-bit Interrupt-Gate (or Trap-Gate) Stack Frame Layout (16bit) ...

What about not-present' gates? ... When the fault' exception uses a 32-bit Interrupt-Gate (or Trap-Gate) Stack Frame Layout (16bit) ...

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Interrupts in Protected-Mode PowerPoint PPT Presentation

Interrupts in Protected-Mode - ... interrupt-service routine for the timer-tick interrupt. Rationale ... Continuously show tick-count (for 10secs) Reset IF=0 to disable interrupts (for exit) ...

... interrupt-service routine for the timer-tick interrupt. Rationale ... Continuously show tick-count (for 10secs) Reset IF=0 to disable interrupts (for exit) ...

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The Hunt For RingZero PowerPoint PPT Presentation

The Hunt For RingZero - coa8 6e01 ea60 085c 000a fbb7 3030 8080. 0001 0001 0000 0000 0664 6f6e 616c ... Protective tools include: all major anti-virus tools, nuke nabber, NFR's Back ...

coa8 6e01 ea60 085c 000a fbb7 3030 8080. 0001 0001 0000 0000 0664 6f6e 616c ... Protective tools include: all major anti-virus tools, nuke nabber, NFR's Back ...

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Facilities for x86 debugging - Facilities for x86 debugging

Facilities for x86 debugging

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Attacks on Virtual Machine Emulators PowerPoint PPT Presentation

Attacks on Virtual Machine Emulators - Symantec Advanced Threat Research. Attack Types. Types of Virtual Machine Emulators ... Symantec Advanced Threat Research. Reduced-Privilege Guest VMEs ...

Symantec Advanced Threat Research. Attack Types. Types of Virtual Machine Emulators ... Symantec Advanced Threat Research. Reduced-Privilege Guest VMEs ...

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Our planned VMX demo PowerPoint PPT Presentation

Our planned VMX demo - Implementation-code for our Guest' VM and Host' VMM. Quick review ... Here is assembly language code you can add that will set up one VMCS region: ...

Implementation-code for our Guest' VM and Host' VMM. Quick review ... Here is assembly language code you can add that will set up one VMCS region: ...

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8086 emulation - The GP fault-handler can examine the opcode that triggered the fault (using the ... Re-execute your demo notice the new value of the GP-fault handler's counter! ...

The GP fault-handler can examine the opcode that triggered the fault (using the ... Re-execute your demo notice the new value of the GP-fault handler's counter! ...

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The Hunt For RingZero - Game over. BoF Findings. The Hunt for RingZero. Trojans ... Game Over? 'I am the Network Security Officer at Vanderbilt University. I have a ...

Game over. BoF Findings. The Hunt for RingZero. Trojans ... Game Over? 'I am the Network Security Officer at Vanderbilt University. I have a ...

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Developing a minimal kernel with testing environment PowerPoint PPT Presentation

Developing a minimal kernel with testing environment - Ensure equal conditions for similar configured computers ... Basic BIOS, system, motherboard info. Ongoing development. Makefile targets. Make ...

Ensure equal conditions for similar configured computers ... Basic BIOS, system, motherboard info. Ongoing development. Makefile targets. Make ...

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Processes - When main() returns, CRT0 calls 'exit()' destroys the process and returns all resources ... last statement and OS decides(exit) Output data from child to parent ...

When main() returns, CRT0 calls 'exit()' destroys the process and returns all resources ... last statement and OS decides(exit) Output data from child to parent ...

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Interfacing with ELF files - Interfacing with ELF files

Interfacing with ELF files

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Facilities for x86 debugging - The popfd' instruction was used to set TF ... This means we skip' seeing a display of the registers immediately after int-0x80' ...

The popfd' instruction was used to set TF ... This means we skip' seeing a display of the registers immediately after int-0x80' ...

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DIA X, Mesa/Taller: phook PowerPoint PPT Presentation

DIA X, Mesa/Taller: phook - Permite hacer de forma interactiva por sockets PEB HOOKING y otros. ... Algunos packers no detectan PEB HOOKING al ser un m todo poco documentado. ...

Permite hacer de forma interactiva por sockets PEB HOOKING y otros. ... Algunos packers no detectan PEB HOOKING al ser un m todo poco documentado. ...

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Virtualization Technology PowerPoint PPT Presentation

Virtualization Technology - Virtualization Technology. A first look at some aspects of ... A variety of control-options for VMs. Interaction of VMs and VMM. VM Monitor (Host) VM #1 ...

Virtualization Technology. A first look at some aspects of ... A variety of control-options for VMs. Interaction of VMs and VMM. VM Monitor (Host) VM #1 ...

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Venturing into 64-bit mode PowerPoint PPT Presentation

Venturing into 64-bit mode - Venturing into 64-bit mode. Examining the steps needed to take the ... Deactivate IA-32e mode by clearing PG-bit. Leave protected-mode' by clearing PE-bit ...

Venturing into 64-bit mode. Examining the steps needed to take the ... Deactivate IA-32e mode by clearing PG-bit. Leave protected-mode' by clearing PE-bit ...

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Device Drivers: Dont build a house on a shaky foundation PowerPoint PPT Presentation

Device Drivers: Dont build a house on a shaky foundation - Although what follows is mostly focused on 802.11a/b/g ... Nintendo DS. No Wi-Fi certification. Nowhere near 802.11 compliant. Ignores de-auth/disassociates ...

Although what follows is mostly focused on 802.11a/b/g ... Nintendo DS. No Wi-Fi certification. Nowhere near 802.11 compliant. Ignores de-auth/disassociates ...

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Model-Specific Registers PowerPoint PPT Presentation

Model-Specific Registers - 64K-memory, 8-bit registers (no mul/div, no FPU) ... Deactivate IA-32e mode by clearing PG-bit. Leave protected-mode' by clearing PE-bit ...

64K-memory, 8-bit registers (no mul/div, no FPU) ... Deactivate IA-32e mode by clearing PG-bit. Leave protected-mode' by clearing PE-bit ...

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What Linux does with IDE PowerPoint PPT Presentation

What Linux does with IDE - The asm' construct ... reference by name with the asm' construct, ... The general construct-format is as follows: asm( instruction-template : output-operand : ...

The asm' construct ... reference by name with the asm' construct, ... The general construct-format is as follows: asm( instruction-template : output-operand : ...

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Interfacing with ELF files - ... hello.o' is then written to our boot-disk (track 0, sector 14) using: $ dd if ... Track 0 of boot-disk by. ROM-BIOS bootstrap. hello.o' image. Segment Descriptors ...

... hello.o' is then written to our boot-disk (track 0, sector 14) using: $ dd if ... Track 0 of boot-disk by. ROM-BIOS bootstrap. hello.o' image. Segment Descriptors ...

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PIX Firewall PowerPoint PPT Presentation

PIX Firewall - Secure, real-time, embedded operating system no UNIX or NT ... Bastion host, and. web and FTP server. 172.26.26.50 .2. 172.16.0.0/24. Internet. e1 inside .1 ...

Secure, real-time, embedded operating system no UNIX or NT ... Bastion host, and. web and FTP server. 172.26.26.50 .2. 172.16.0.0/24. Internet. e1 inside .1 ...

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Recherche de vulnrabilits en environnement Windows 32 bits et divulgation responsable PowerPoint PPT Presentation

Recherche de vulnrabilits en environnement Windows 32 bits et divulgation responsable - Une vingtaine de ' bons ' 0days en circulation dans les milieux alternatifs. Une valeur financi re tournant autour de 3000 dollars et pouvant atteindre beaucoup plus ! ...

Une vingtaine de ' bons ' 0days en circulation dans les milieux alternatifs. Une valeur financi re tournant autour de 3000 dollars et pouvant atteindre beaucoup plus ! ...

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Rootkit Hunting vs' Compromise Detection PowerPoint PPT Presentation

Rootkit Hunting vs' Compromise Detection - Classifying existing rootkit-like malware and discussing how current anti ... but we don't want to be caught by X-VIEW detection (ala RkR or Black Light) ...

Classifying existing rootkit-like malware and discussing how current anti ... but we don't want to be caught by X-VIEW detection (ala RkR or Black Light) ...

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Rootkit Hunting vs. Compromise Detection - http://www.cl.cam.ac.uk/users/sjm217/papers/ih05coverttcp.pdf ... So, do we really need hidden processes? ... manually create short-life processes (not hidden) ...

http://www.cl.cam.ac.uk/users/sjm217/papers/ih05coverttcp.pdf ... So, do we really need hidden processes? ... manually create short-life processes (not hidden) ...

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Rootkits vs. Stealth by Design Malware PowerPoint PPT Presentation

Rootkits vs. Stealth by Design Malware - has ability to manually create short-life processes (not hidden) ... He4Hook (only some versions) Raw IRP hooking on fs driver. prrf by palmers (Phrack 58! ...

has ability to manually create short-life processes (not hidden) ... He4Hook (only some versions) Raw IRP hooking on fs driver. prrf by palmers (Phrack 58! ...

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Task-Switching PowerPoint PPT Presentation

Task-Switching - heap. runtime library. Private Instructions (persistent) Initialized Data (persistent) ... heap. TEXT (some shared, some private) DATA (some shared, some private) ...

heap. runtime library. Private Instructions (persistent) Initialized Data (persistent) ... heap. TEXT (some shared, some private) DATA (some shared, some private) ...

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- Une valeur financi re tournant autour de 3000 dollars et pouvant ... Un temps de recherche d'une dizaine de jours pour trouver une faille exploitable dans ...

Une valeur financi re tournant autour de 3000 dollars et pouvant ... Un temps de recherche d'une dizaine de jours pour trouver une faille exploitable dans ...

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Ring-transitions for EM64T PowerPoint PPT Presentation

Ring-transitions for EM64T - CS, RIP, SS, and RSP. registers will be taken. from the current stack. 64-bit memory ... register-values for CS and RIP (the. new RSP-value comes from the TSS, ...

CS, RIP, SS, and RSP. registers will be taken. from the current stack. 64-bit memory ... register-values for CS and RIP (the. new RSP-value comes from the TSS, ...

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Ring0 PowerPoint PPT Presentations