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Learning Linux Binary Analysis

You're reading from   Learning Linux Binary Analysis Learning Linux Binary Analysis

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Product type Paperback
Published in Feb 2016
Publisher Packt
ISBN-13 9781782167105
Length 282 pages
Edition 1st Edition
Languages
Tools
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Author (1):
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Ryan "elfmaster" O'Neill Ryan "elfmaster" O'Neill
Author Profile Icon Ryan "elfmaster" O'Neill
Ryan "elfmaster" O'Neill
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Toc

Table of Contents (11) Chapters Close

Preface 1. The Linux Environment and Its Tools FREE CHAPTER 2. The ELF Binary Format 3. Linux Process Tracing 4. ELF Virus Technology – Linux/Unix Viruses 5. Linux Binary Protection 6. ELF Binary Forensics in Linux 7. Process Memory Forensics 8. ECFS – Extended Core File Snapshot Technology 9. Linux /proc/kcore Analysis Index

Getting started with ECFS


At the time of writing this chapter, the complete ECFS project and source code is available at http://github.com/elfmaster/ecfs. Once you have cloned the repository with git, you should compile and install the software as described in the README file.

Currently, ECFS has two modes of use:

  • Plugging ECFS into the core handler

  • ECFS snapshots without killing the process

Note

In this chapter, the terms ECFS files, ECFS snapshots, and ECFS core files are used interchangeably.

Plugging ECFS into the core handler

The first thing is to plug the ECFS core handler into the Linux kernel. The make install will accomplish this for you, but it must be done after every reboot or stored in an init script. The manual way of setting up the ECFS core handler is by modifying the /proc/sys/kernel/core_pattern file.

This is the command used to activate the ECFS core handler:

echo '|/opt/ecfs/bin/ecfs_handler -t -e %e -p %p -o \ /opt/ecfs/cores/%e.%p' > /proc/sys/kernel/core_pattern

Note

Notice...

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