[11532] 2017-07-05_NSA的第七种武器双脉冲星(DoublePulsar)后门详细分析

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最后更新:2025-01-18
2017-07-05_NSA的第七种武器双脉冲星(DoublePulsar)后门详细分析 N S A | ( D o u b l e P u l s a r )     F r e e B u f   2 0 1 7 - 0 7 - 0 5 1 .   N S A S M B   使 使 ( D o u b l e P u l s a r ) S M B 2 .   s h e l l c o d e ( x 8 6   , s h e l l c o d e 0 x f f d f f 1 f 1 ) s h e l l c o d e . S h e l l c o d e : ,   j z 6 4   6 4     j z   C P U 3 2 6 4 s h e l l c o d e 3 2 : ? h o o k   S Y S E N T E R ,     [ 1 ] S Y S E N T E R e b x + 1 7   ,   F F D F F 2 2 1 F F D F F 2 2 1  
S Y S E N T E R H o o k F F D F F 3 9 A s r v . s y s ! S r v T r a c a t i o n 2 D i s p a t c h T a b l e     0 x e   ( 0 x 3 8 ) S M B f f d f f 5 1 e e b x s r v ! S r v T r a n s a c t i o n 2 D i s p a t c h T a b l e   e b x + 0 x 3 8 0 x e e a x 3 .   s r v ! S r v T r a n s a c t i o n 2 D i s p a t c h T a b l e   0 x e ?   S M B _ C O M _ T R A N S A C T I O N 2   ( 0 x 3 2 ) S u b c o m m a n d   S E S S I O N _ S E T U P ( 0 x e ) S r v T r a n s a c t i o n 2 D i s p a t c h T a b l e 0 x e S M B  
使 3 : s u b _ F F D F F 9 3 0 s u b _ F F D F F 8 9 F s u b _ F F D F 8 E 0 s u b _ F F D F F 9 3 0
S r v T r a n s a c t i o n 2 D i s p a t c h T a b l e   D i s p a t c h C O N T E X T : C O N T E X T   P t r   ( I R P S M B I R P ) C O N T E X T + S i z e C O N T E X T 4
  S M B S M B P a r a m e t e r S M B S M B P a r a m e t e r S M B   e b p + 4 4 S M B P a r a m e t e r e b p + 3 8   s u b _ F F D F F 8 9 F : S M B   使   P a r a m e t e r C o u n t   T o t a l P a r a m e t e r C o u n t 0 x c s h e l l c o d e F F D F F 8 8 B   d w o r d ,   S M B   T i m e o u t   S M B T i m e o u t 0 x 2 3 , 0 x 7 7 , 0 x c 8 0 x 2 3 P I N G 0 x 7 7 s h e l l c o d e 0 x c 8 :
T i m e o u t   9 3   8 9   0 7   0 0 :   0 x 9 3 + 0 x 8 9 + 0 x 0 7 + 0 0 =   0 x 1 2 3 , 0 x 2 3 P I N G P I N G   S M B S i g n a t u r e s h e l l c o d e 使 P I N G   : M I D ( M u l t i p l e x   I D )   ( M I D M I D ) M I D : P I N G
M I D 6 6 ( 0 x 0 0 4 2 ) M I D 8 2 ( 0 x 0 0 5 2 ) M I D 0 x 0 0 5 2 - 0 x 0 0 4 2   =   0 x 1 0 . 便 S M B 4 .   N S A W i n d o w s   ,   S M B S h e l l c o d e 5 .   1 .   R o o t k i t s :   S u b v e r t i n g   t h e   W i n d o w s   K e r n e l . ( p p 9 4 - 9 5 ) 2 .   h t t p s : / / z e r o s u m 0 x 0 . b l o g s p o t . c o m . a u / 2 0 1 7 / 0 4 / d o u b l e p u l s a r - i n i t i a l - s m b - b a c k d o o r - r i n g . h t m l 3 .   h t t p : / / b l o g . c h e c k p o i n t . c o m / 2 0 1 7 / 0 5 / 2 5 / b r o k e r s - s h a d o w s - a n a l y z i n g - v u l n e r a b i l i t i e s - a t t a c k s - s p a w n e d - l e a k e d - n s a - h a c k i n g - t o o l s / * F r e e B u f . C O M

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