rule RC6_Constants { meta: author = "chort (@chort0)" description = "Look for RC6 magic constants in binary" reference = "https://twitter.com/mikko/status/417620511397400576" reference2 = "https://twitter.com/dyngnosis/status/418105168517804033" date = "2013-12" version = "0.2" strings: $c1 = { B7E15163 } $c2 = { 9E3779B9 } $c3 = { 6351E1B7 } $c4 = { B979379E } condition: 2 of them }