锘??xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:trackback="http://madskills.com/public/xml/rss/module/trackback/" xmlns:wfw="http://wellformedweb.org/CommentAPI/" xmlns:slash="http://purl.org/rss/1.0/modules/slash/"><channel><title>&#57;&#55;&#20037;&#20037;&#22269;&#20135;&#32508;&#21512;&#31934;&#21697;&#22899;&#19981;&#21345;&#13;&#44;&#22269;&#20135;&#31934;&#21697;&#27431;&#32654;&#20122;&#27954;&#38889;&#22269;&#26085;&#26412;&#20037;&#20037;&#13;&#44;&#22269;&#20135;&#39640;&#28165;&#22269;&#20869;&#31934;&#21697;&#31119;&#21033;&#57;&#57;&#20037;&#20037;</title><link>http://www.shnenglu.com/elva/archive/2008/02/19/42923.html</link><dc:creator>鍙跺瓙</dc:creator><author>鍙跺瓙</author><pubDate>Tue, 19 Feb 2008 00:57:00 GMT</pubDate><guid>http://www.shnenglu.com/elva/archive/2008/02/19/42923.html</guid><wfw:comment>http://www.shnenglu.com/elva/comments/42923.html</wfw:comment><comments>http://www.shnenglu.com/elva/archive/2008/02/19/42923.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.shnenglu.com/elva/comments/commentRss/42923.html</wfw:commentRss><trackback:ping>http://www.shnenglu.com/elva/services/trackbacks/42923.html</trackback:ping><description><![CDATA[<p>windows緋葷粺涓嬶紝紼嬪簭闃叉澶氬紑鐨勫嚑縐嶅父瑙佹柟娉曪細 <br>1)浣跨敤FindWindow API鍑芥暟銆?<br>閫氳繃鏌ユ壘紿楀彛鏍囬(鎴?鍜岀被鍚?鏉ュ垽鏂▼搴忔槸鍚︽鍦ㄨ繍琛屻�傚鏋滄壘鍒頒簡錛岃〃鏄庣▼搴忔鍦ㄨ繍琛岋紝榪欐椂鍙��鍑虹▼搴忥紝杈懼埌涓嶉噸澶嶈繍琛岀殑鏁堟灉錛涘弽涔嬭〃鏄庣▼搴忔槸絎竴嬈¤繍琛屻�?<br>榪欑鏂規硶涓嶉�傜敤浜庝互涓嬫儏鍐碉紝紼嬪簭鐨勬爣棰樻槸鍔ㄦ�佸彉鍖栫殑銆佺郴緇熶腑榪愯浜嗙浉鍚屾爣棰橈紙鎴?鍜岀被鍚嶏級鐨勭▼搴?/p>
<p>2)Mutex/Event/Semaphore <br>閫氳繃浜掓枼瀵硅薄/淇″彿閲?浜嬩歡絳夌嚎紼嬪悓姝ュ璞℃潵紜畾紼嬪簭鏄惁宸茬粡榪愯銆傛渶甯哥敤鐨勫嚱鏁板錛欳reateMutexA錛堟敞鎰忥細QQ鍫傘�丵Q娓告垙澶у巺灝辨槸閲囩敤榪欐牱鏂規硶鏉ラ檺鍒剁▼搴忓寮�鐨勶級</p>
<p>3)鍐呭瓨鏄犲皠鏂囦歡(File Mapping) <br>閫氳繃鎶婄▼搴忓疄渚嬩俊鎭斁鍒拌法榪涚▼鐨勫唴瀛樻槧灝勬枃浠朵腑錛屼篃鍙互鎺у埗紼嬪簭澶氬紑銆?/p>
<p>4)DLL鍏ㄥ眬鍏變韓鍖?<br>DLL鍏ㄥ眬鍏變韓鍖哄湪鏄犲皠鍒板悇涓繘紼嬬殑鍦板潃絀洪棿鏃朵粎琚垵濮嬪寲涓�嬈★紝涓旀槸鍦ㄧ涓�嬈¤windows鍔犺澆鏃訛紝鎵�浠ュ埄鐢ㄨ鍖烘暟鎹氨鑳藉紼嬪簭榪涜澶氬紑闄愬埗銆?/p>
<p>5)鍏ㄥ眬Atom <br>灝嗘煇涓壒瀹氬瓧絎︿覆閫氳繃GlobalAddAtom鍔犲叆鍏ㄥ眬鍘熷瓙琛?Global Atom Table)錛岀▼搴忚繍琛屾椂媯�鏌ヨ涓叉槸鍚﹀瓨鍦ㄦ潵闄愬埗紼嬪簭澶氬紑銆?璇tom涓嶄細鑷姩閲婃斁錛岀▼搴忛��鍑哄墠蹇呴』璋冪敤GlobalDeleteAtom鏉ラ噴鏀続tom)</p>
<p>6)媯�鏌ョ獥鍙ｅ睘鎬?<br>灝嗘煇浜涙暟鎹�氳繃SetProp鍔犲叆鍒版寚瀹氱獥鍙ｇ殑property list錛岀▼搴忚繍琛屾椂鏋氫婦紿楀彛騫舵鏌ヨ繖浜涙暟鎹槸鍚﹀瓨鍦ㄦ潵闄愬埗澶氬紑銆?/p>
<p>浠ヤ笂鍙垪涓句簡鏈�甯歌鐨勫嚑縐嶆柟娉曪紝鍏蜂綋搴旂敤涓彲浠ユ湁n縐嶉�夋嫨錛屾垨緇煎悎榪愮敤澶氱鏂規硶鏉ラ檺鍒躲�?/p>
<p>涓婇潰璇磋繃錛孮QT閲囩敤CreateMutex鍑芥暟鏉ラ檺鍒跺寮�錛岄偅涔堟垜鎬庝箞鐭ラ亾鏄嬌鐢ㄨ繖涓嚱鏁版潵闄愬埗鐨勫憿錛?<br>絳旀灝辨槸璺熻釜紼嬪簭錛屾煡鎵劇▼搴忔槸浣跨敤鍝鏂規硶鏉ラ檺鍒剁殑銆傛瘮濡傚厛鐪嬬湅鏄惁浣跨敤CreateMutex鏉ラ檺鍒訛紝濡傛灉涓嶆槸錛屽啀鐪嬬湅鏄笉鏄嬌鐢‵indWindow錛屼互姝ょ被鎺紝鐩村埌鎵懼埌鏂規硶涓烘銆傚綋鐒訛紝鏈変簺紼嬪簭涔熶細緇煎悎浣跨敤澶氱鏂規硶鏉ラ檺鍒跺寮�錛屾柟娉曚篃鏄竴鏍風殑錛屽彧鏄夯鐑︾偣鑰屽凡銆?/p>
<p>涓嬮潰璁蹭竴璁蹭嬌鐢–reateMutex鍑芥暟鏉ラ檺鍒跺寮�鐨勬柟娉曪細 <br>CreateMutex鍑芥暟澹版槑濡備笅錛堝叿浣撹鏌ラ槄鐩稿叧璧勬枡錛屽MSDN錛?<br>HANDLE CreateMutex( <br>LPSECURITY_ATTRIBUTES lpMutexAttributes,// pointer to security attributes <br>BOOL bInitialOwner, // flag for initial ownership <br>LPCTSTR lpName// pointer to mutex-object name <br>);</p>
<p>浠ヤ笅鏄嬌鐢–reateMutex鍑芥暟鏉ラ檺鍒跺寮�鐨勫吀鍨媎elphi浠ｇ爜 <br>hMutex:=CreateMutex(nil,TRUE,'qqtang');//寤虹珛浜掓枼閲?<br>// 璋冪敤澶辮觸? 宸茬粡瀛樺湪? <br>if(hMutex=0) or (GetLastError=ERROR_ALREADY_EXISTS)then <br>begin <br>//紼嬪簭絎簩(鎴栦互涓?嬈¤繍琛屾椂錛孏etLastError浼氳繑鍥濫RROR_ALREADY_EXISTS錛岃〃鏄庝簰鏂ラ噺宸插瓨鍦?<br>//鍙互鍦ㄨ繖閲岀紪鍐欓��鍑轟唬鐮?<br>end; <br>璇ユ浠ｇ爜棣栧厛璋冪敤CreateMutex鍑芥暟鍒涘緩涓�鍚嶄負 qqtang 鐨勪簰鏂ュ璞★紝濡傛灉璋冪敤CreateMutex鍑芥暟澶辮觸錛坔Mutex=nil錛夋垨浜掓枼瀵硅薄鏃╁凡瀛樺湪錛圙etLastError=ERROR_ALREADY_EXISTS錛夛紝鍒欓��鍑虹▼搴忋�?/p>
<p>濂戒簡錛屾槑鐧戒笂闈㈢殑鍐呭鍚庯紝鎴戜滑榪涘叆淇敼瀹炴垬錛?<br>涓嬭澆OllyDbg V1.1錛岃В鍘嬪埌浠諱綍鐩綍鍗沖彲浣跨敤銆?<br>鍚姩OllyDbg錛屾墦寮�QQT鐩綍涓嬬殑Core.dll鏂囦歡錛屾寜[鏄痌杞藉叆DLL鏂囦歡銆?<br>鎸塁trl+N鎵撳紑API璋冪敤鍒楄〃錛屾壘鍒癈reateMutexA鍚庢寜鍥炶濺錛屽湪寮瑰嚭鐨勭獥鍙ｉ噷鍙屽嚮絎竴琛屾潵鍒癈PU紿楀彛錛屽弽姹囩紪浠ｇ爜濡備笅錛?/p>
<p>10002FB9 . 51 push ecx ; /MutexName = "qqtang" <br>10002FBA . 6A 01 push 1 ; |InitialOwner = TRUE <br>10002FBC . 6A 00 push 0 ; |pSecurity = NULL <br>10002FBE . FF15 60E40010 call dword ptr [&lt;&amp;KERNEL32.CreateMutexA&gt;] ; \CreateMutexA 寤虹珛浜掓枼閲?<br>10002FC4 . 8B95 D4FEFFFF mov edx,dword ptr [ebp-12C] <br>10002FCA . 8902 mov dword ptr [edx],eax <br>10002FCC . 8B85 D4FEFFFF mov eax,dword ptr [ebp-12C] <br>10002FD2 . 8338 00 cmp dword ptr [eax],0 ; 媯�鏌reateMutexA鍑芥暟鏄惁璋冪敤澶辮觸 <br>10002FD5 . 0F84 CD000000 je Core.100030A8 ; 鎶妀e鏀逛負jmp鍗沖彲 <br>10002FDB . FF15 5CE40010 call dword ptr [&lt;&amp;KERNEL32.GetLastError&gt;] ; [GetLastError <br>10002FE1 . 3D B7000000 cmp eax,0B7 ; 媯�鏌ュ璞℃槸鍚﹀凡瀛樺湪 <br>10002FE6 . 0F85 BC000000 jnz Core.100030A8 ; (涔熷彲浠ュ湪榪欓噷鎶妀nz鏀逛負jmp) <br>10002FEC . 8B8D D4FEFFFF mov ecx,dword ptr [ebp-12C] <br>10002FF2 . C701 00000000 mov dword ptr [ecx],0 <br>10002FF8 . 6A 00 push 0 ; /Title = NULL <br>10002FFA . 68 5CC60010 push Core.1000C65C ; |Class = "QQTangWinClass" <br>10002FFF . 6A 00 push 0 ; |hAfterWnd = NULL <br>10003001 . 6A 00 push 0 ; |hParent = NULL <br>10003003 . FF15 40E70010 call dword ptr [&lt;&amp;USER32.FindWindowExA&gt;] ; \FindWindowExA 鏌ユ壘QQT紿楀彛</p>
<p>閫変腑榪欒錛?<br>10002FD5 . 0F84 CD000000 je Core.100030A8 <br>鐒跺悗鎸夌┖鏍鹼紝鍦ㄥ脊鍑虹殑紿楀彛涓妸&#8220;je 100030A8&#8221;淇敼涓?#8220;jmp 100030A8&#8221;錛屾寜[姹囩紪]銆?<br>鍙抽敭鍗曞嚮CPU紿楀彛錛屽湪寮瑰嚭鑿滃崟涓�?#8220;澶嶅埗鍒板彲鎵ц鏂囦歡&#8221;-銆?#8220;鎵�鏈夋敼鍔?#8221;錛岄�塠鍏ㄩ儴澶嶅埗]銆傚彸閿崟鍑誨脊鍑虹殑紿楀彛錛岄�?#8220;淇濆瓨鏂囦歡&#8221;淇濆瓨鍗沖彲銆?/p>
<p>鏄惁瑙夊緱涓婇潰鐨勪慨鏀規瘮杈冮夯鐑﹀憿錛熷懙鍛碉紝鎺堜漢浜庨奔涓嶅鎺堜漢浜庢笖錛屼笂闈㈡槸鍛婅瘔浣犱負浠�涔堣榪欐牱淇敼錛屼慨鏀圭殑鍘熺悊鏄粈涔堬紝浣犳槑鐧戒慨鏀瑰師鐞嗗悗錛屾湁鏂扮増鏈椂浣犲氨鍙互鑷繁淇敼浜嗐�?/p>
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