Added new technique for linux - magic system request key#3666

patel-bhavin merged 4 commits intosplunk:developsplunk/security_content:developfrom

CheraghiMilad:lnx_auditd_magic_system_request_keyCheraghiMilad/security_content:lnx_auditd_magic_system_request_keyCopy head branch name to clipboard