These opaque predicates come from the X-Tunnel (99B454262DC26B081600E844371982A49D334E5E) malware. They were automatically extracted using Triton and IDA. Then classified in three form groups and one unclassified group. * Form 1: (y * y * 7) - 1 != x * x (3197, 44.35%) * Form 2: 2 / ((x * x) + 1) != (y * y) + 3 (3873, 53.72%) * Form 3: x - x = 0 (108, 01.05%) * unclassified (31, 00.43%)