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<?php for($i = 0xC4-30; $i <= 0xC4+30; ++$i){ for($k = 0; $k <= 0xff; ++$k){ $z = "%".sprintf("%02x", $i)."%".sprintf("%02x", $k); $x = mb_strtoupper(urldecode($z)); //echo $z." => ".$x."\n"; if(preg_match("/I/", $x)){ echo $z." => ".$x." - find\n"; } } }
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 42) Position 1 = 36
Branch analysis from position: 36
2 jumps found. (Code = 44) Position 1 = 38, Position 2 = 2
Branch analysis from position: 38
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 2
1 jumps found. (Code = 42) Position 1 = 33
Branch analysis from position: 33
2 jumps found. (Code = 44) Position 1 = 35, Position 2 = 4
Branch analysis from position: 35
2 jumps found. (Code = 44) Position 1 = 38, Position 2 = 2
Branch analysis from position: 38
Branch analysis from position: 2
Branch analysis from position: 4
2 jumps found. (Code = 43) Position 1 = 28, Position 2 = 32
Branch analysis from position: 28
2 jumps found. (Code = 44) Position 1 = 35, Position 2 = 4
Branch analysis from position: 35
Branch analysis from position: 4
Branch analysis from position: 32
filename:       /in/5h974
function name:  (null)
number of ops:  39
compiled vars:  !0 = $i, !1 = $k, !2 = $z, !3 = $x
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, 166
          1      > JMP                                                      ->36
    4     2    >   ASSIGN                                                   !1, 0
          3      > JMP                                                      ->33
    5     4    >   INIT_FCALL                                               'sprintf'
          5        SEND_VAL                                                 '%2502x'
          6        SEND_VAR                                                 !0
          7        DO_ICALL                                         $6      
          8        CONCAT                                           ~7      '%25', $6
          9        CONCAT                                           ~8      ~7, '%25'
         10        INIT_FCALL                                               'sprintf'
         11        SEND_VAL                                                 '%2502x'
         12        SEND_VAR                                                 !1
         13        DO_ICALL                                         $9      
         14        CONCAT                                           ~10     ~8, $9
         15        ASSIGN                                                   !2, ~10
    6    16        INIT_FCALL                                               'mb_strtoupper'
         17        INIT_FCALL                                               'urldecode'
         18        SEND_VAR                                                 !2
         19        DO_ICALL                                         $12     
         20        SEND_VAR                                                 $12
         21        DO_ICALL                                         $13     
         22        ASSIGN                                                   !3, $13
    8    23        INIT_FCALL                                               'preg_match'
         24        SEND_VAL                                                 '%2FI%2F'
         25        SEND_VAR                                                 !3
         26        DO_ICALL                                         $15     
         27      > JMPZ                                                     $15, ->32
    9    28    >   CONCAT                                           ~16     !2, '+%3D%3E+'
         29        CONCAT                                           ~17     ~16, !3
         30        CONCAT                                           ~18     ~17, '+-+find%0A'
         31        ECHO                                                     ~18
    4    32    >   PRE_INC                                                  !1
         33    >   IS_SMALLER_OR_EQUAL                                      !1, 255
         34      > JMPNZ                                                    ~20, ->4
    3    35    >   PRE_INC                                                  !0
         36    >   IS_SMALLER_OR_EQUAL                                      !0, 226
         37      > JMPNZ                                                    ~22, ->2
   12    38    > > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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174.97 ms | 1400 KiB | 21 Q