[28733] 2021-01-21_Higaisa还是Winnti?APT41后门分析

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最后更新:2025-01-19
2021-01-21_Higaisa还是Winnti?APT41后门分析 H i g a i s a W i n n t i A P T 4 1 p t s e c u r i t y   O t s   2 0 2 1 - 0 1 - 2 1 2 0 2 0 4 P o s i t i v e   T e c h n o l o g i e s P T   E S C C S I R T A P T 1 .   H i g a i s a 2 0 2 0 5 1 2 P r o j e c t   l i n k N e w   c o p y r i g h t p o l i c y . r a r 7 5 c d 8 d 2 4 0 3 0 a 3 1 6 0 b 1 f 4 9 f 1 b 4 6 2 5 7 f 9 d 6 6 3 9 4 3 3 2 1 4 a 1 0 5 6 4 d 4 3 2 b 7 4 c c 8 c 4 d 0 2 0 P D F Z e p l i n . p d f - W e b   l n k s - i O S - - Z e p l i n . l n k T o k b o x - - i O S - Z e p l i n . l n k H i g a i s a 2 0 2 0 3 2 0 2 0 0 3 0 8 - s i t r e p - 4 8 - c o v i d - 1 9 . p d f . l n k   1 . c o v i d - 1 9 Z e p l i n L N K B a s e 6 4 C A B J S
2 . 3 4 f D F k f S D 3 2 . j s H i g a i s a C   U s e r s     P u b l i c   D o w n l o a d s P O S T i p c o n f i g h t t p / / z e p l i n . a t w e b p a g e s   [ ]   c o m   /   i n t e r . p h p U R L U R L - i O S - - Z e p l i n . u r l h t t p s : / / a p p . z e p l i n . i o / p r o j e c t / 5 b 5 7 4 1 8 0 2 f 3 1 3 1 c 3 a 6 3 0 5 7 a 4 / s c r e e n / 5 b 5 8 9 f 6 9 7 e 4 4 c e e 3 7 e 0 e 6 1 d f T o k b o x - - i O S - Z e p l i n . u r l h t t p s : / / a p p . z e p l i n . i o / p r o j e c t / 5 c 1 6 1 c 0 3 f d e 4 d 5 5 0 a 2 5 1 e 2 0 a / s c r e e n / 5 c e f 9 8 9 8 6 8 0 1 a 4 1 b e 3 5 1 2 2 b b L N K Z e p l i n Z e p l i n s v c h a s t . e x e s h e l l c o d e s h e l l c o d e 2 0 1 8 2 0 1 9 2 0 2 0 2 0 2 1
3 .   s v c h a s t . e x e 3 t 5 4 d E 3 r . t m p s h e l l c o d e C r o s s w a l k 2 0 2 0 5 3 0 C V _ C o l l i e r s . r a r d f 9 9 9 d 2 4 b d e 9 6 d e c d b b 6 5 2 8 7 c a 0 9 8 6 d b 9 8 f 7 3 b 4 e d 4 7 7 e 1 8 c 3 e f 1 0 0 0 6 4 b c e b a 6 d _ _ . p d f . l n k . p d f . l n k 5 1 2 C V I E L T S P D F i p c o n f i g h t t p / / g o o d h k . a z u r e w e b s i t e s   [ ]   n e t   /   i n t e r . p h p h t t p / / s i x i n d e n t . e p i z y   [ ] c o m   /   i n t e r . p h p   C 2 访
4 .   z e p l i n . a t w e b p a g e s _ c o m 5 .   g o o d h k . a z u r e w e b s i t e s _ n e t
6 .   s i x i n d e n t . e p i z y _ c o m 使 1 . 1 M a l w a r e b y t e s Z s c a l e r H i g a i s a s h e l l c o d e C r o s s w a l k C r o s s w a l k 2 0 1 7 F i r e E y e A P T 4 1 W i n n t i
7 . F i r e E y e 8 .   3 t 5 4 d E 3 r . t m p s h e l l c o d e A P T 4 1 C 2 I P S H A - 1 b 8 c f f 7 0 9 9 5 0 c f a 8 6 6 6 5 3 6 3 d 9 5 5 3 5 3 2 d b 9 9 2 2 2 6 5 c S S L I P 6 7 . 2 2 9 . 9 7   [ ] 2 2 9 2 0 1 8 C r o w d S t r i k e 2 0 1 3
9 . 使 L N K W i n n t i A P T 4 1 H i g a i s a 1 . 2 C r o s s w a l k s h e l l c o d e C 2 2 0 s h e l l c o d e I P M A C 3 2 6 4 P I D S h e l l c o d e 3 2 6 4 s h e l l c o d e 3 2 6 4 1 . 0 1 . 1 0 1 . 2 1 1 . 2 2 1 . 2 5 2 . 0 C r o s s w a l k V M w a r e   C a r b o n B l a c k L N K 1 . 2 5 8 e 6 9 4 5 a e 0 6 d d 8 4 9 b 9 d b 0 c 2 9 8 3 b c a 8 2 d e 1 d d d b f 7 9 a f b 3 7 1 a a 8 8 d a 7 1 c 1 9 c 4 4 c 9 9 6
C r o s s w a l k C 2 广 s h e l l c o d e 使 1 6 X O R 4 1 6 0 x 0 0 x 4 0 x 8 0 x C 0 x 1 0 0 x 1 4 0 x 1 8 0 x 1 C 0 x 9 C 0 x 1 1 C 0 x 1 9 C   C 2 C 2 0 x 1 A 0 C 2 0 x 0 0 x 4 0 x 8 D N S / 0 x C 0 x 1 0 C 2 C 2 使 F a k e T L S 5
3 1 7   0 3   0 1 2 I D 4 4 I D 3 6 U U I D I D   0 x 6 5 0 x 6 4 Z s c a l e r F a k e T L S A E S - 1 2 8 使 T C P T C P H T T P T C P G E T C 2 2 0 0 C o n t e n t - L e n g t h 5 2 4 2 8 8 0 0 0 H T T P 1 0 . C 2 H T T P P O S T d C y U U I D I D 2 0 0 使 P O S T
h t t p s : / / w w w . p t s e c u r i t y . c o m / w w - e n / a n a l y t i c s / p t - e s c - t h r e a t - i n t e l l i g e n c e / h i g a i s a - o r - w i n n t i - a p t - 4 1 - b a c k d o o r s - o l d - a n d - n e w /
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