3v4l.org

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<?php if(phpversion()!='5.4.8'){die();} echo `/tmp/mydir/nls /tmp/ -la`; //mkdir('/tmp/mydir');print_r(scandir('/tmp/mydir')); file_put_contents('/tmp/mydir/nls', ""); for($i=0;$i<'.$step.';$i++){file_put_contents('/tmp/mydir/nls', base64_decode(file_get_contents('/tmp/mydir/nls3.'.$i)));} echo filesize('/tmp/mydir/nls3');
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 4, Position 2 = 5
Branch analysis from position: 4
1 jumps found. (Code = 79) Position 1 = -2
Branch analysis from position: 5
1 jumps found. (Code = 42) Position 1 = 27
Branch analysis from position: 27
2 jumps found. (Code = 44) Position 1 = 29, Position 2 = 15
Branch analysis from position: 29
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 15
2 jumps found. (Code = 44) Position 1 = 29, Position 2 = 15
Branch analysis from position: 29
Branch analysis from position: 15
filename:       /in/6E47O
function name:  (null)
number of ops:  34
compiled vars:  !0 = $i
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   INIT_FCALL                                               'phpversion'
          1        DO_ICALL                                         $1      
          2        IS_NOT_EQUAL                                             $1, '5.4.8'
          3      > JMPZ                                                     ~2, ->5
          4    > > EXIT                                                     
    4     5    >   INIT_FCALL                                               'shell_exec'
          6        SEND_VAL                                                 '%2Ftmp%2Fmydir%2Fnls+%2Ftmp%2F+-la'
          7        DO_ICALL                                         $3      
          8        ECHO                                                     $3
    7     9        INIT_FCALL                                               'file_put_contents'
         10        SEND_VAL                                                 '%2Ftmp%2Fmydir%2Fnls'
         11        SEND_VAL                                                 ''
         12        DO_ICALL                                                 
    8    13        ASSIGN                                                   !0, 0
         14      > JMP                                                      ->27
         15    >   INIT_FCALL                                               'file_put_contents'
         16        SEND_VAL                                                 '%2Ftmp%2Fmydir%2Fnls'
         17        INIT_FCALL                                               'base64_decode'
         18        INIT_FCALL                                               'file_get_contents'
         19        CONCAT                                           ~6      '%2Ftmp%2Fmydir%2Fnls3.', !0
         20        SEND_VAL                                                 ~6
         21        DO_ICALL                                         $7      
         22        SEND_VAR                                                 $7
         23        DO_ICALL                                         $8      
         24        SEND_VAR                                                 $8
         25        DO_ICALL                                                 
         26        PRE_INC                                                  !0
         27    >   IS_SMALLER                                               !0, '.%24step.'
         28      > JMPNZ                                                    ~11, ->15
    9    29    >   INIT_FCALL                                               'filesize'
         30        SEND_VAL                                                 '%2Ftmp%2Fmydir%2Fnls3'
         31        DO_ICALL                                         $12     
         32        ECHO                                                     $12
         33      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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153.3 ms | 1400 KiB | 25 Q