rule apt_regin_vfs { meta: copyright = "Kaspersky Lab" description = "Rule to detect Regin VFSes" version = "1.0" last_modified = "2014-11-18" Reference = "https://securelist.com/files/2014/11/Kaspersky_Lab_whitepaper_Regin_platform_eng.pdf" strings: $a1={00 02 00 08 00 08 03 F6 D7 F3 52} $a2={00 10 F0 FF F0 FF 11 C7 7F E8 52} $a3={00 04 00 10 00 10 03 C2 D3 1C 93} $a4={00 04 00 10 C8 00 04 C8 93 06 D8} condition: ($a1 at 0) or ($a2 at 0) or ($a3 at 0) or ($a4 at 0) }