杀掉本地进程其实很简单,取得进程ID后,调用OpenProcess函数打开进程句柄,然后调用TerminateProcess函数就可以杀掉进程了。有些情况下并不能直接打开进程句柄,例如WINLOGON等系统进程,因为权限不够。这个时候我们就得先提升自己的进程的权限了。提升权限过程也不复杂,先调用GetCurrentProcess函数取得当前进程的句柄,然后调用OpenProcessToken打开当前进程的访问令牌,接着调用LookupPrivilegeValue函数取得你想提升的权限的值,最后调用AdjustTokenPrivileges函数给当前进程的访问令牌增加权限就可以了。一般有了SeDebugPrivilege特权后,就可以杀掉除Idle外的所有进程了。
E"b"VB OK!那如何杀掉远程进程呢?说起来有点复杂,但其实也不难。
^BQ*l5K <1>与远程系统建立IPC连接
!\_li+ <2>在远程系统的系统目录admin$\system32中写入一个文件killsrv.exe
1 =9 Kwd <3>调用函数OpenSCManager打开远程系统的Service Control Manager[SCM]
d=:&tOCg2 <4>调用函数CreateService在远程系统创建一个服务,服务指向的程序是在<2>中写入的程序killsrv.exe
0& ?/TSC <5>调用函数StartService启动刚才创建的服务,把想杀掉的进程的ID作为参数传递给它
!J+< M~o} <6>服务启动后,killsrv.exe运行,杀掉进程
f"A?\w @ <7>清场
,7izrf8 嗯!这样看来,我们需要两个程序了。Killsrv.exe的源代码如下:
M2y"M ,k4 /***********************************************************************
H3jb{S
b Module:Killsrv.c
q/t~`pH3 Date:2001/4/27
b+mh9q'5E Author:ey4s
QP4`r#, Http://www.ey4s.org IF.6sJg: ***********************************************************************/
F anA~ #include
S-)%# #include
\S"YLRn" #include "function.c"
fm'Qifq^ #define ServiceName "PSKILL"
""^.fh |DMa2}% SERVICE_STATUS_HANDLE ssh;
X8=sk SERVICE_STATUS ss;
I4^}C;p0? /////////////////////////////////////////////////////////////////////////
&l NHNu[ void ServiceStopped(void)
cakb.Q {
6z80Y*|eJ ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
3re|=_
Hy ss.dwCurrentState=SERVICE_STOPPED;
c`h/x>fa ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
}w8:`g'T0/ ss.dwWin32ExitCode=NO_ERROR;
*,d>(\&[f ss.dwCheckPoint=0;
Rw\S-z/ ss.dwWaitHint=0;
0`dMT>&I SetServiceStatus(ssh,&ss);
|lhVk\X return;
G6L
/Ny3>_ }
tJ,x>s?Y /////////////////////////////////////////////////////////////////////////
n(#159pZ void ServicePaused(void)
N{<=s]I%x {
n)7olP0p ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
`2@t) : ss.dwCurrentState=SERVICE_PAUSED;
!`G7X ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
)TBG-<wt ss.dwWin32ExitCode=NO_ERROR;
/f7Fv*z/ ss.dwCheckPoint=0;
\HB4ikl ss.dwWaitHint=0;
9
1r"-%(r SetServiceStatus(ssh,&ss);
Ta38/v;S return;
;@@1$mzK }
6uYCU|JsU void ServiceRunning(void)
]&3UF? {
Gv!*
Qk4 ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
-VESe}c:nQ ss.dwCurrentState=SERVICE_RUNNING;
1|VnPQqA ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
#qk A*WP ss.dwWin32ExitCode=NO_ERROR;
c%aY6dQG&% ss.dwCheckPoint=0;
mACj>0Z' ss.dwWaitHint=0;
Y)>GwFK$ SetServiceStatus(ssh,&ss);
'Dq!o[2y return;
L_.BcRy }
PF-7AIxs" /////////////////////////////////////////////////////////////////////////
O4kBNUI/ void WINAPI servier_ctrl(DWORD Opcode)//服务控制程序
63d'
fgVp {
oY:6a switch(Opcode)
+'H_sMmi{ {
h$p]#]uMb case SERVICE_CONTROL_STOP://停止Service
oXgKuR ServiceStopped();
zLlu%Oc break;
<a |$Bl case SERVICE_CONTROL_INTERROGATE:
+k'5W1e SetServiceStatus(ssh,&ss);
L{|V13? break;
wj/\!V! }
2;G^>BP< return;
q28i9$Yqj\ }
)eNR4nF //////////////////////////////////////////////////////////////////////////////
y88FT#hR|5 //杀进程成功设置服务状态为SERVICE_STOPPED
jRS0(8 //失败设置服务状态为SERVICE_PAUSED
1e*+k$-{ //
=yiRB? void WINAPI ServiceMain(DWORD dwArgc,LPTSTR *lpszArgv)
D;It0" {
Au$|@ ssh=RegisterServiceCtrlHandler(ServiceName,servier_ctrl);
iIq='xwa9 if(!ssh)
mHo}, | {
^ad
p<?q4 ServicePaused();
g]R }w@nJ return;
M-u:8dPu }
o+SD(KVn- ServiceRunning();
SIjdwr!+ZZ Sleep(100);
8/*q#j //注意,argv[0]为此程序名,argv[1]为pskill,参数需要递增1
Ns2M8 //argv[2]=target,argv[3]=user,argv[4]=pwd,argv[5]=pid
8*3<Erv if(KillPS(atoi(lpszArgv[5])))
rl9YB %P ServiceStopped();
!@!,7te else
BEyg63= ServicePaused();
[!4p5; return;
NH$a :> }
S1&mY'c /////////////////////////////////////////////////////////////////////////////
FyX\S= void main(DWORD dwArgc,LPTSTR *lpszArgv)
&,2h=H,M {
Yjv}@i" SERVICE_TABLE_ENTRY ste[2];
LY[XPV]t ste[0].lpServiceName=ServiceName;
CN@bJo2 ste[0].lpServiceProc=ServiceMain;
fn
)m$\2 ste[1].lpServiceName=NULL;
D)XF@z; ste[1].lpServiceProc=NULL;
'5.n28W> StartServiceCtrlDispatcher(ste);
mL`,v
WL/` return;
q'77BRD3 }
xz5 Jli /////////////////////////////////////////////////////////////////////////////
-`gqA%#+ function.c中有两个函数,一个是提升权限的,一个是提供进程ID,杀进程的。代码如
y|U3 下:
-l<b|`s=w. /***********************************************************************
>4`("# Module:function.c
_eM\ /(v[ Date:2001/4/28
%mPIr4$Pg Author:ey4s
#N_C|v/ Http://www.ey4s.org "Q6oPDX( ***********************************************************************/
{^2``NYM_ #include
xtYX}u ////////////////////////////////////////////////////////////////////////////
nIJ2*QJ BOOL SetPrivilege(HANDLE hToken,LPCTSTR lpszPrivilege,BOOL bEnablePrivilege)
Y&KI/]ly,L {
ya3A^&: TOKEN_PRIVILEGES tp;
PjNOeI@G LUID luid;
:@{(^}N8u %719h>$ if(!LookupPrivilegeValue(NULL,lpszPrivilege,&luid))
`z%f@/:fG {
Hj't.lg+j printf("\nLookupPrivilegeValue error:%d", GetLastError() );
K>X#,lE- return FALSE;
YKKZRlQo }
@ofivCc<% tp.PrivilegeCount = 1;
;QkUW<( tp.Privileges[0].Luid = luid;
t?f2*N: if (bEnablePrivilege)
V/"UDof tp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
lJ;7sgQ# else
WG>Nm89 tp.Privileges[0].Attributes = 0;
TeaP\a // Enable the privilege or disable all privileges.
+U{8Mj AdjustTokenPrivileges(
Ws ya:9| hToken,
low
0@+Q FALSE,
t=o2:p6& &tp,
p&dpDJ?d:= sizeof(TOKEN_PRIVILEGES),
Y!s94#OaZ (PTOKEN_PRIVILEGES) NULL,
'4k
l$I (PDWORD) NULL);
Hc^q_{}" // Call GetLastError to determine whether the function succeeded.
@v&hr if (GetLastError() != ERROR_SUCCESS)
lWr=79 {
vOIK6- printf("AdjustTokenPrivileges failed: %u\n", GetLastError() );
#4UKkd return FALSE;
mU@pRjq= }
UW%zR5q return TRUE;
1;8=,& }
D! TFb E ////////////////////////////////////////////////////////////////////////////
ramYSX@ BOOL KillPS(DWORD id)
N?7MYP {
MYNNeO HANDLE hProcess=NULL,hProcessToken=NULL;
VwJ A BOOL IsKilled=FALSE,bRet=FALSE;
DmzK* O{ __try
mY6d+ {
0?c2=Y WOBLgM,| if(!OpenProcessToken(GetCurrentProcess(),TOKEN_ALL_ACCESS,&hProcessToken))
*-Y`7=^$ {
j#4 Iu&YJ printf("\nOpen Current Process Token failed:%d",GetLastError());
5B6twn~[ __leave;
\%&BK.t }
ybk~ m //printf("\nOpen Current Process Token ok!");
t<=Ru*p if(!SetPrivilege(hProcessToken,SE_DEBUG_NAME,TRUE))
zv[$N, {
y2Eq-Ie __leave;
96G8B62 }
/ bm2v; printf("\nSetPrivilege ok!");
\tR](, / V+`gkWe/ if((hProcess=OpenProcess(PROCESS_ALL_ACCESS,FALSE,id))==NULL)
y,&'nk} {
0xE37Ld, printf("\nOpen Process %d failed:%d",id,GetLastError());
2IMU & __leave;
|q|?y`X4/ }
<46>v< //printf("\nOpen Process %d ok!",id);
J>D+/[mFt if(!TerminateProcess(hProcess,1))
80J87\) {
_A]8l52pt printf("\nTerminateProcess failed:%d",GetLastError());
7Yv1et
| __leave;
rgq~lZ.U4K }
v=m!$~ IsKilled=TRUE;
.+ezcG4q }
Oly"ll*K __finally
Y7*8 A, {
6gfn5G if(hProcessToken!=NULL) CloseHandle(hProcessToken);
A]<+Aq@{ if(hProcess!=NULL) CloseHandle(hProcess);
.,({&L