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签到天数: 2397 天 [LV.Master]伴坛终老
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2 `* J: B# y- z6 U我现在对百度的新聊天工具进行了稍微深入的分析,再下一步的分析工作就是在汇编调试里面展开的了。先说下我发现的可能威胁:5 a4 I2 L. [! i# [
1、Swf文件跨站漏洞- ~: c7 T8 J. @) Y& K7 l( S) B
在Baidu Hi 的安装文件夹里的MovieData文件夹里面有3个swf文件,分别是loginCarton.swf,videoConnectingBig.swf和videoConnectingSmall.swf。其中,loginCarton.swf的可能别利用漏洞最大,这点上百度不如腾讯,没有做好swf文件的内嵌工作,让swf文件暴露在外面。病毒可以感染并放入恶意的swf文件来覆盖他们。loginCarton.swf是baiduhi的启动画面,这是非常危险的,因为swf木马在网上非常流行。还有,病毒要获取这个目录非常简单,只要以system来读取注册表就好,路径会保存在注册表的[HKEY_LOCAL_MACHINE\SOFTWARE\3D SoftWare]下的"path"键值里面,如果修改注册表,人为改变该键值,可能引发更大的危机!, ]- G6 E; \) C2 ^% s" U4 o0 Y
6 j2 ~! |5 W# e2、自动升级漏洞
3 j0 [, f! a0 L( O6 U3 j该漏洞目前没有测试,不过应该将来会盛行的。因为目前大家的Baidu HI都是最新版,不需要升级。将来如果需要升级的时候,这个漏洞就很危险了。Baidu Hi 的升级文件在AutoUpdate文件夹里面,
9 B8 x: s, p4 x( Q2 w9 I9 W. [) l2 c5 S& R5 M$ ]
' u9 T* f. t$ g1 U5 \% D' e% cBaiduHiUpdate.exe文件通过调用config.ini文件来升级,我们来看config.ini文件的代码:' D+ e7 Z3 R1 s' L
[AutoUpdate]
! _7 W) b2 k5 Q# IConfigFileUrl=http://update.im.baidu.com/AutoUpdate/AutoUpdate.xml
' E9 x7 W' i- M. y2 ~IsAutoUpdate=1
: t0 P: q2 }6 iConfigFileKey1=3F26F386EB827C141DF8FE539B7ECDF4
9 a+ l# y/ g' z* |, J( g% T9 dConfigFileKey2=128509257100000000
1 O* i6 s2 q. F- i: K0 u3 ^0 lLSTm_AutoUpdate=1206596754
* Y. d6 Y( ?, S$ A: K% I2 C. U看来使用的是下载http://update.im.baidu.com/AutoUpdate/AutoUpdate.xml这个文件,我下载下来打开一看,这个文件和AutoUpdate文件夹里面的那个AutoUpdate.xml文件内容相同。代码都是如下的:
8 @8 [9 C5 i3 n$ L: o" c) w* y<AutoUpdate version="1.0">
, j' |! H+ c' F<Updater version="1.0.0.8" url="http://update.im.baidu.com/AutoUpdate/updater48-49.cab" md5="8312201dc14e0ff595680f6bcf4d0fb1" hint="update 49">
- H6 r+ x- U: Z2 _<File name="atl71.dll" dest="updater:\" type="bin" operation="add" />
4 i- L U! l8 Q<File name="AutoInstall.exe" dest="updater:\" type="bin" operation="add" /> 2 v; M( j8 U3 ~6 N& v
<File name="AutoUpdateUtil.dll" dest="updater:\" type="bin" operation="add" />
( k' H$ F- J' \. i* N6 }<File name="BaiduHiUpdate.exe" dest="updater:\" type="bin" operation="add" />
. |7 N6 x! K& j. o! h<File name="Basement.dll" dest="updater:\" type="bin" operation="add" /> : h: O" U( T- \8 O
<File name="config.ini" dest="updater:\" type="resource" operation="add" /> 1 C( p2 i% `8 H1 `2 W1 d
<File name="msvcp71.dll" dest="updater:\" type="bin" operation="add" /> ' h( \& w1 k+ j8 L- e9 {; r$ A: k. ?/ u# Y
<File name="msvcr71.dll" dest="updater:\" type="bin" operation="add" />
. N$ l2 a$ y% ]+ x6 D" W<File name="resource.db" dest="updater:\" type="resource" operation="add" />
1 f" q* h# R' i8 G& |<File name="VersionInfo.xml" dest="updater:\" type="resource" operation="add" /> * z" Q* l2 R B
</Updater># l+ m- h8 A3 Z& L
<Module name="BaiduHi" version="1.0.1.0" level="forcePrompt">
+ y) ]. x( F: z Q+ ?& g<Upgrade versi hint="update 49" md5="f684d6220bb2771433410e482287cc58" url="http://update.im.baidu.com/AutoUpdate/upgrade48-49.cab">
% |4 Z' |- L8 T; |3 P) Q<File name="AppUtil.dll" dest="BaiduHi:\" type="bin" operation="add" />
" C8 {3 d2 R$ A2 e9 k& l% ?0 _, O<File name="BaiduHi.exe" dest="BaiduHi:\" type="bin" operation="add" />
1 M) N' f1 K" n<File name="Basement.dll" dest="BaiduHi:\" type="bin" operation="add" />
7 B R) v, ^* t: x$ @$ y<File name="BugReport.exe" dest="BaiduHi:\" type="bin" operation="add" />
; Y" _6 X4 W: o& v& A4 X<File name="CSTransfer.dll" dest="BaiduHi:\" type="bin" operation="add" /> ' L6 T8 {6 U+ {9 v+ a# J
<File name="HistoryExplorer.dll" dest="BaiduHi:\" type="bin" operation="add" />
z' `3 Y5 O# v<File name="ImEngine.dll" dest="BaiduHi:\" type="bin" operation="add" />
! s/ s: V( `* }7 m1 [8 A M$ J9 s<File name="ImStorage.dll" dest="BaiduHi:\" type="bin" operation="add" /> / K! t9 w& C+ f. w' b& X
<File name="LocalLog.dll" dest="BaiduHi:\" type="bin" operation="add" /> 3 d, ^1 `# `) e
<File name="NetService.dll" dest="BaiduHi:\" type="bin" operation="add" />
. u" B V$ X/ O0 e6 \. b; H<File name="RUDPLib.dll" dest="BaiduHi:\" type="bin" operation="add" /> 0 x( R' l- j" e ^
<File name="SkinDLL.dll" dest="BaiduHi:\" type="bin" operation="add" /> T1 W$ O5 b- ~- i8 L
<File name="UPnPDll.dll" dest="BaiduHi:\" type="bin" operation="add" /> 1 g; W7 c7 t' M5 B: k2 M9 ?" }5 q i
<File name="VersionInfo" dest="BaiduHi:\" type="resource" operation="add" /> ) v5 g% A! s9 x' j
<File name="fmmgr.dll" dest="BaiduHi:\" type="bin" operation="add" /> 7 V; u1 C) ~. }/ }$ ], Q
<File name="imcs.dll" dest="BaiduHi:\" type="bin" operation="add" />
1 k8 D- w) x9 d$ a5 x2 N- P' r<File name="uninst.exe" dest="BaiduHi:\" type="bin" operation="add" />
- b( Y p) l9 y. v# C# _3 m</Upgrade>/ J$ V q$ x) V7 @# _6 F9 l _# ]
<FullPackage hint="update 49" md5="3af7588de47c7fdcb9ca5421de4c444c" url="http://update.im.baidu.com/AutoUpdate/fullpackage48-49.cab">
; D$ n2 a( M+ T' a5 a, _<File name="AppUtil.dll" dest="BaiduHi:\" type="bin" operation="add" />
* G! y F: L- ]<File name="BaiduHi.exe" dest="BaiduHi:\" type="bin" operation="add" /> $ N& b' Q- p! r* e3 A( C) c
<File name="Basement.dll" dest="BaiduHi:\" type="bin" operation="add" /> ! `5 u, A7 D' e4 g: d0 S
<File name="BugReport.exe" dest="BaiduHi:\" type="bin" operation="add" /> " k P2 _6 _' ~0 y
<File name="CSTransfer.dll" dest="BaiduHi:\" type="bin" operation="add" /> 4 I+ A _) P' F" v
<File name="HistoryExplorer.dll" dest="BaiduHi:\" type="bin" operation="add" /> . n5 ]* n2 ~& Z
<File name="ImEngine.dll" dest="BaiduHi:\" type="bin" operation="add" />
[1 e3 w1 F( m2 Z6 w/ D: |<File name="ImStorage.dll" dest="BaiduHi:\" type="bin" operation="add" /> ( h" F7 p- w( d. \8 _4 O
<File name="LocalLog.dll" dest="BaiduHi:\" type="bin" operation="add" />
4 r. I' P* C/ o- W<File name="MovieData\loginCarton.swf" dest="BaiduHi:\MovieData\" type="resource" operation="add" />
6 F, D" Q- `9 n, T" o<File name="MovieData\videoConnectingBig.swf" dest="BaiduHi:\MovieData\" type="resource" operation="add" /> 3 @# y7 }5 I2 Q, z6 q
<File name="MovieData\videoConnectingSmall.swf" dest="BaiduHi:\MovieData\" type="resource" operation="add" /> 2 v9 C, t) V; }7 v" V) M
<File name="NetService.dll" dest="BaiduHi:\" type="bin" operation="add" />
1 z) y3 p8 B: ~" {<File name="RUDPLib.dll" dest="BaiduHi:\" type="bin" operation="add" />
+ ?$ L$ |1 S' n6 q' U7 \; i<File name="ServerConfig.dat" dest="BaiduHi:\" type="resource" operation="add" />
3 S- \4 [3 B! k* n* Y<File name="SkinDLL.dll" dest="BaiduHi:\" type="bin" operation="add" />
, {! u& l; {2 y( b# x$ D9 b<File name="SysCustomStatus.xml" dest="BaiduHi:\" type="resource" operation="add" /> : W7 ^5 A" f3 y7 B5 n5 b
<File name="UPnPDll.dll" dest="BaiduHi:\" type="bin" operation="add" /> / c( s" [# R' P2 v. \
<File name="VersionInfo" dest="BaiduHi:\" type="resource" operation="add" /> * x$ x h& s7 W* \& W
<File name="atl71.dll" dest="BaiduHi:\" type="bin" operation="add" />
) C' b- ?3 E1 {9 N T; d+ z<File name="dbghelp.dll" dest="BaiduHi:\" type="bin" operation="add" /> - z( _: S) u, ^8 S! G1 ~
<File name="fmmgr.dll" dest="BaiduHi:\" type="bin" operation="add" /> % b# L9 k" y! w
<File name="imcs.dll" dest="BaiduHi:\" type="bin" operation="add" />
$ G* C l0 p1 a8 l6 i<File name="licence.txt" dest="BaiduHi:\" type="resource" operation="add" /> 8 ?% M: H% ]# U) m$ {' p7 A
<File name="mediactrl.dll" dest="BaiduHi:\" type="bin" operation="add" /> 1 h6 e- Y; V6 Q6 l& f+ O
<File name="msvcp71.dll" dest="BaiduHi:\" type="bin" operation="add" /> 8 k) R& y- W# j8 e
<File name="msvcr71.dll" dest="BaiduHi:\" type="bin" operation="add" /> # e6 w: S* \8 m) Q9 A0 r
<File name="resource.db" dest="BaiduHi:\" type="resource" operation="add" />
8 C5 D* X; {6 m9 f<File name="riched20.dll" dest="BaiduHi:\" type="bin" operation="add" />
8 k4 M6 {4 X: L3 g% p9 W6 Q<File name="skin\default.db" dest="BaiduHi:\skin\" type="resource" operation="add" /> ) Y Y) U) @. O
<File name="skin\rose.db" dest="BaiduHi:\skin\" type="resource" operation="add" />
* ~4 t; @& O3 L$ c<File name="sound\msg.wav" dest="BaiduHi:\sound\" type="resource" operation="add" /> & D7 e& C0 u: y' e
<File name="sound\online.wav" dest="BaiduHi:\sound\" type="resource" operation="add" /> . t) K0 Q/ ?& z$ h4 k
<File name="sound\phone.wav" dest="BaiduHi:\sound\" type="resource" operation="add" />
2 v2 F, t# ~- ]<File name="sound\snapshot.wav" dest="BaiduHi:\sound\" type="resource" operation="add" /> / M' }+ K( N. K0 D$ h3 r
<File name="sound\system.wav" dest="BaiduHi:\sound\" type="resource" operation="add" /> # Z. B8 Q$ I6 m2 y7 U
<File name="sysimage\FaceError.gif" dest="BaiduHi:\sysimage\" type="resource" operation="add" />
! r6 p- S1 d* Q. |4 S<File name="sysimage\FaceLoading.gif" dest="BaiduHi:\sysimage\" type="resource" operation="add" /> . @1 W5 d. a" |! U" B
<File name="sysimage\ImageError.gif" dest="BaiduHi:\sysimage\" type="resource" operation="add" /> 1 T! A5 }# X2 A( s
<File name="sysimage\ImageLoading.gif" dest="BaiduHi:\sysimage\" type="resource" operation="add" /> ' l0 J2 e( ~9 _% P( x
<File name="uninst.exe" dest="BaiduHi:\" type="bin" operation="add" /> 0 `0 |! ]/ G+ W3 |" [
<File name="zlib1.dll" dest="BaiduHi:\" type="bin" operation="add" />
1 X$ g) B* q7 r, A</FullPackage>+ y; h' M- F& ^4 n
</Module>
4 X+ k! `, f4 L+ r+ r' Y</AutoUpdate>
2 b6 j1 T: j- K& e* W1 Q4 @通过AutoUpdate.xml文件来下载http://update.im.baidu.com/AutoUpdate/updater48-49.cab ,我们可以通过构造恶意的config.ini,然后让程序下载我们构造的恶意AutoUpdate.xml,再让程序通过AutoUpdate.xml下载恶意构造好的cab安装包,释放。还是危害挺大的!) o& w6 f8 F& p, B" t
最后忠告大家,不要下载除官方以外任何地方的Baidu Hi !否则后够可能很严重,这次我发现的这两个漏洞的利用说容易也容易,说不容易也不容易,本人如上所说只是一点肤浅之见,没什么技术含量,只是觉得软件搞这么明文不好。提醒大家小心一点而已,没有别的意图,更没有哗众取宠的意思。 |
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