libemu-dev software package provides x86 shellcode detection and emulation, you can install in your Ubuntu 14.04 LTS (Trusty Tahr) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install libemu-dev
libemu-dev is installed in your system.
Make ensure the libemu-dev package were installed using the commands given below,
$ sudo dpkg-query -l | grep libemu-dev *
You will get with libemu-dev package name, version, architecture and description in a table
| Distro | Ubuntu 14 04 lts trusty tahr |
| Section | Library development |
| Package | libemu-dev |
| Version | 0.2.0+git20120122-1.2 |
| Description | x86 shellcode detection and emulation |
| Sub Section | libdevel |