rule FE_APT_9002_rat { meta: author = "FireEye Labs" reference = "https://www.fireeye.com/blog/threat-research/2013/11/operation-ephemeral-hydra-ie-zero-day-linked-to-deputydog-uses-diskless-method.html" strings: $mz = {4d 5a} $a = "rat_UnInstall" wide ascii condition: ($mz at 0) and $a }