This is a whitepaper providing an analysis of the Ivyl sample kernel rootkit. Written in Korean.
You can download it from the following link: https://packetstormsecurity.com/files/download/141263/Analysis_of_Ivyl_sample_rootkit.pdf
Source: https://packetstormsecurity.com/files/141263/Analysis-Of-The-Ivyl-Sample-Kernel-Rootkit.html

