Reversing malware analysis training part5 reverse engineering tools basics

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Part 5 – Reverse Engineering Tools Basics Swapnil Pathak Reverse Engineering & Malware Analysis Training

Transcript of Reversing malware analysis training part5 reverse engineering tools basics

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Part 5 – Reverse Engineering Tools BasicsSwapnil Pathak

Reverse Engineering & Malware Analysis Training

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Disclaimer

The Content, Demonstration, Source Code and Programs presented here is "AS IS" without any warranty or conditions of any kind. Also the views/ideas/knowledge expressed here are solely of the trainer’s only and nothing to do with the company or the organization in which the trainer is currently working.

However in no circumstances neither the trainer nor Cysinfo is responsible for any damage or loss caused due to use or misuse of the information presented here.

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Acknowledgement

Special thanks to null & Garage4Hackers community for their extended

support and cooperation.

Thanks to all the Trainers who have devoted their precious time and

countless hours to make it happen.

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Reversing & Malware Analysis Training

This presentation is part of our Reverse Engineering & Malware

Analysis Training program. Currently it is delivered only during our local

meet for FREE of cost.

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Who am I

Swapnil Pathak Member SecurityXploded

Security Researcher

RE, Malware Analysis, Network Security

Email: [email protected]

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PE Tools PE Editor

Disassemblers IDA Pro

Debuggers OllyDbg

Other Useful Tools

Presentation Outline

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Portable Executable Editor

◦ Allow user to view, edit data structures present in PE file format

Some Common Use Cases:

◦ Change entry point of the executable

◦ View Import/Export/Sections within EXE

◦ Change characteristics of a file i.e. Dll to Exe

◦ Fix anomalies of PE files

PE editors

◦ Hiew, PE Editor, CFF Explorer, StudPE, LordPE etc

PE Tools

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PE Editor

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Popular commercial software used for Reverse Engineering. Disassembler and Debugger in one tool Supports variety of executable formats for different processors and OS Provides both Text & Graphical view of the code flow. View strings, Imports, Exports referenced in the executable Support Plugins Some of the useful plugins

◦ X86 emulator◦ IDAPython◦ IDARub◦ IDA Scripts◦ Windbg

IDA Pro

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IDA Windows & purpose – IDA View, Hex View, Imports, Strings,

Functions windows etc.

Graphs & Text view (use “space” to switch between views)

Xref To & Xref From – powerful feature

Jump & Search

Edit function names (N), Add comments (;)

IDA Pro Functions

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IDA Pro in Action

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Most Popular Ring 3 Debugger used in Reversing

Provides the below mentioned functionalities

◦ Debugging program step by step (Single Stepping)

◦ Software, Hardware and Memory based Breakpoints

◦ Examine the current state of the program wrt variables, memory etc.

◦ Change the flow or state of Program by directly editing Instructions,

Registers or Memory.

Support Plugins, Here are popular ones,◦ OllyDump◦ OllyAdvanced◦ OllyScript

Ollydbg

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Different Windows – CPU, Registers, Dump, Stack screens

Trace Into, Trace Over, Exceptions

Integrate windows API help file in ollydbg

Shortcuts (imp. Only)

◦ F7 – Step into [call]

◦ F8 – Single step [execute call]

◦ F9 – Run

◦ F2 – Breakpoint

Ollydbg Cont.

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Ollydbg in Action

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var hwdBP // Local variable to store hardware breakpointvar softBP // Local variable to strore software breakpointsti // Step into F7 commandfindop eip, #61# // find next POPADmov hwdBP, $RESULT // Store $RESULT to hardware breakpoint local variablebphws hwdBP, "x“ // Set hardware breakpoint (execute) on the next POPADrun // Run F9 commandfindop eip, #E9????????# // Find the next JMPmov softBP, $RESULT // Store $RESULT to software breakpoint local variablebp softBPrun // Run to JMP instructionsti // Step into the OEPcmt eip, "<<>>"msg "OEP found, you can dump the file starting from this address"ret

Source : http://x9090.blogspot.in/2009/07/ollyscript-tutorial-unpack-upx.html

UPX Unpacking OllyscriptHere is example for Unpacking UPX based Malwares using OllyScript in OllyDbg

http://x9090.blogspot.in/2009/07/ollyscript-tutorial-unpack-upx.html
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Packer Identifier Tools◦ RDG packer detector◦ PEID◦ ExeScan

Useful Tools

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PEiD – PE Packer Identifier Tool

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Thank You !


Reversing & Malware Analysis Training Part 7 - Unpacking UPX

Reversing & Malware Analysis Training Part 7 - Unpacking UPX

Reversing & malware analysis training part 9 advanced malware analysis

Reversing & malware analysis training part 9 advanced malware analysis

Reversing Malware [based on material from the textbook]

Reversing Malware [based on material from the textbook]

Reversing malware analysis training part8 malware memory forensics

Reversing malware analysis training part8 malware memory forensics

Reversing & malware analysis training part 6 practical reversing (i)

Reversing & malware analysis training part 6 practical reversing (i)

Reversing & Malware Analysis Training Part 4 - Assembly Programming Basics

Reversing & Malware Analysis Training Part 4 - Assembly Programming Basics

Reversing malware analysis trainingpart9 advanced malware analysis

Reversing malware analysis trainingpart9 advanced malware analysis

Reversing & Malware Analysis Training Part 12 - Rootkit Analysis

Reversing & Malware Analysis Training Part 12 - Rootkit Analysis

Reversing & malware analysis training part 4 assembly programming basics

Reversing & malware analysis training part 4 assembly programming basics

Reversing & malware analysis training part 3 windows pe file format basics

Reversing & malware analysis training part 3 windows pe file format basics

Reversing and Malware Analysis

Reversing and Malware Analysis

Advanced Malware Analysis Training Session 10 - (Part 1) Reversing & Decrypting Communications of HeartBeat RAT

Advanced Malware Analysis Training Session 10 - (Part 1) Reversing & Decrypting Communications of HeartBeat RAT

Reversing & Malware Analysis Training Part 8 - Malware Memory Forensics

Reversing & Malware Analysis Training Part 8 - Malware Memory Forensics

.NET MALWARE THREAT: INTERNALS AND REVERSING … CON 27/DEF CON 27 presentations/DEFCON-27... · ALEXANDRE BORGES – MALWARE AND SECURITY RESEARCHER DEF CON USA 2019 5 9Motivationsto

.NET MALWARE THREAT: INTERNALS AND REVERSING … CON 27/DEF CON 27 presentations/DEFCON-27... · ALEXANDRE BORGES – MALWARE AND SECURITY RESEARCHER DEF CON USA 2019 5 9Motivationsto

Reversing Android Malware - Hack In The Box Security ...conference.hitb.org/hitbsecconf2011kul/materials/D1T1 - Mahmud Ab... · Reversing Android Malware ... - Spyeye’s’fake’security’tool

Reversing Android Malware - Hack In The Box Security ...conference.hitb.org/hitbsecconf2011kul/materials/D1T1 - Mahmud Ab... · Reversing Android Malware ... - Spyeye’s’fake’security’tool

Reversing & malware analysis training part 7 unpacking upx

Reversing & malware analysis training part 7 unpacking upx

Practical Reversing IV – Advanced Malware Analysis

Practical Reversing IV – Advanced Malware Analysis

Reversing & Malware Analysis Training Part 11 - Exploit Development [Advanced]

Reversing & Malware Analysis Training Part 11 - Exploit Development [Advanced]

Artreview Part5

Artreview Part5

Malwaremoutane.net/RMLL2013/day_1/linux_malware.pdf · Linux malware presentation @r00tbsd – Paul Rascagnères from Malware.lu Darkleech/Chapro Analysis – Reversing xor_decrypt_string

Malwaremoutane.net/RMLL2013/day_1/linux_malware.pdf · Linux malware presentation @r00tbsd – Paul Rascagnères from Malware.lu Darkleech/Chapro Analysis – Reversing xor_decrypt_string