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<?PHP $s1 = $_GET[md5($_SERVER['HTTP_USER_AGENT'])]; $s2 = $_GET[md5($_SERVER['REMOTE_ADDR'])]; if ($s1!== $s2) { if (md5($s1)===hash('md5',$s2)) { if (hash('sha512',$s1,true)!==hash('sha512',$s2,true)) echo 'Flag'; } } ?>
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 18, Position 2 = 40
Branch analysis from position: 18
2 jumps found. (Code = 43) Position 1 = 27, Position 2 = 40
Branch analysis from position: 27
2 jumps found. (Code = 43) Position 1 = 39, Position 2 = 40
Branch analysis from position: 39
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 40
Branch analysis from position: 40
Branch analysis from position: 40
filename:       /in/fvUqR
function name:  (null)
number of ops:  41
compiled vars:  !0 = $s1, !1 = $s2
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   INIT_FCALL                                               'md5'
          1        FETCH_R                      global              ~3      '_SERVER'
          2        FETCH_DIM_R                                      ~4      ~3, 'HTTP_USER_AGENT'
          3        SEND_VAL                                                 ~4
          4        DO_ICALL                                         $5      
          5        FETCH_R                      global              ~2      '_GET'
          6        FETCH_DIM_R                                      ~6      ~2, $5
          7        ASSIGN                                                   !0, ~6
    3     8        INIT_FCALL                                               'md5'
          9        FETCH_R                      global              ~9      '_SERVER'
         10        FETCH_DIM_R                                      ~10     ~9, 'REMOTE_ADDR'
         11        SEND_VAL                                                 ~10
         12        DO_ICALL                                         $11     
         13        FETCH_R                      global              ~8      '_GET'
         14        FETCH_DIM_R                                      ~12     ~8, $11
         15        ASSIGN                                                   !1, ~12
    4    16        IS_NOT_IDENTICAL                                         !0, !1
         17      > JMPZ                                                     ~14, ->40
    5    18    >   INIT_FCALL                                               'md5'
         19        SEND_VAR                                                 !0
         20        DO_ICALL                                         $15     
         21        INIT_FCALL                                               'hash'
         22        SEND_VAL                                                 'md5'
         23        SEND_VAR                                                 !1
         24        DO_ICALL                                         $16     
         25        IS_IDENTICAL                                             $15, $16
         26      > JMPZ                                                     ~17, ->40
    6    27    >   INIT_FCALL                                               'hash'
         28        SEND_VAL                                                 'sha512'
         29        SEND_VAR                                                 !0
         30        SEND_VAL                                                 <true>
         31        DO_ICALL                                         $18     
         32        INIT_FCALL                                               'hash'
         33        SEND_VAL                                                 'sha512'
         34        SEND_VAR                                                 !1
         35        SEND_VAL                                                 <true>
         36        DO_ICALL                                         $19     
         37        IS_NOT_IDENTICAL                                         $18, $19
         38      > JMPZ                                                     ~20, ->40
         39    >   ECHO                                                     'Flag'
    9    40    > > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
153.87 ms | 1400 KiB | 17 Q