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。
wc"~8Ah OK!那如何杀掉远程进程呢?说起来有点复杂,但其实也不难。
-4F}I3I <1>与远程系统建立IPC连接
<@+L^Ps~z <2>在远程系统的系统目录admin$\system32中写入一个文件killsrv.exe
\:q @I]2 <3>调用函数OpenSCManager打开远程系统的Service Control Manager[SCM]
$*P+ <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
; 4/ n~ <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
_,UYbD\[J} <6>服务启动后,killsrv.exe运行,杀掉进程
.RmoO\
,Gm <7>清场
YZnFU( j 嗯!这样看来,我们需要两个程序了。Killsrv.exe的源代码如下:
xUa9>=JU{ /***********************************************************************
6Rq +=X Module:Killsrv.c
jO*H8XO Date:2001/4/27
SNSoV3|k- Author:ey4s
=T?Xph{ Http://www.ey4s.org N}{V*H^0QU ***********************************************************************/
7*Zm{r@u #include
|q\i, } #include
gf4Hq&Rf #include "function.c"
r8czDc),b #define ServiceName "PSKILL"
Zc&pJP+M'U Bqk+ne SERVICE_STATUS_HANDLE ssh;
8+(wAbp SERVICE_STATUS ss;
|N
2r?b/g /////////////////////////////////////////////////////////////////////////
q9InO]s&~= void ServiceStopped(void)
}20tdD ~ {
q1r-xsjV= ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
HyYJ"54 ss.dwCurrentState=SERVICE_STOPPED;
pXh`o20I ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
JEZ0O&_R ss.dwWin32ExitCode=NO_ERROR;
1UB.2}/: ss.dwCheckPoint=0;
`G*fx=N ss.dwWaitHint=0;
;9J6)zg !n SetServiceStatus(ssh,&ss);
YX3NZW2i return;
07ppq?,y }
8/ukzY1! /////////////////////////////////////////////////////////////////////////
9~K+h/ void ServicePaused(void)
pB%oFWqK {
jr-9KxE ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
Uz]=`F8 ss.dwCurrentState=SERVICE_PAUSED;
]A l)> ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
{\LLiU}MJC ss.dwWin32ExitCode=NO_ERROR;
u'Hh||La" ss.dwCheckPoint=0;
EgzdRB\Cf ss.dwWaitHint=0;
j4=\MK SetServiceStatus(ssh,&ss);
Lo}/k}3Sx return;
rO/Sj<0^ }
0}9j l void ServiceRunning(void)
lx?v
.:zl\ {
X2Q35.AB ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
65mfq&"P? ss.dwCurrentState=SERVICE_RUNNING;
n
\&H~0X ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
n2[h`zm1{B ss.dwWin32ExitCode=NO_ERROR;
AkO-PL ss.dwCheckPoint=0;
x{rjngp2 ss.dwWaitHint=0;
cVmF'g SetServiceStatus(ssh,&ss);
tWTC'Gx-J return;
.I^Y[_.G }
[~n|R Oo /////////////////////////////////////////////////////////////////////////
?1eu9; q\* void WINAPI servier_ctrl(DWORD Opcode)//服务控制程序
PdRDUG{Jy {
*Rc?rMF ! switch(Opcode)
s]D1s%Mx {
+p]@ b case SERVICE_CONTROL_STOP://停止Service
l#p?lBm1 ServiceStopped();
3rLc\rK break;
AthR|I|8 case SERVICE_CONTROL_INTERROGATE:
rK'O 85)eU SetServiceStatus(ssh,&ss);
;9Wimf]G,E break;
Jt?`(H }
a5w E{K return;
m YhDi }
1gLET.I: //////////////////////////////////////////////////////////////////////////////
jHx\YK@e\ //杀进程成功设置服务状态为SERVICE_STOPPED
2B_+5 //失败设置服务状态为SERVICE_PAUSED
-KqMSf&9 //
~ntDzF void WINAPI ServiceMain(DWORD dwArgc,LPTSTR *lpszArgv)
VQ+G. {
X7MA>j3m ssh=RegisterServiceCtrlHandler(ServiceName,servier_ctrl);
B!)Tytm9u if(!ssh)
ZiaFByLy {
R+Ug;r-[ ServicePaused();
HisH\z/i5) return;
U\[b qw }
+.*=Fn22 ServiceRunning();
C7&L9k~jf Sleep(100);
,V;HMF.
//注意,argv[0]为此程序名,argv[1]为pskill,参数需要递增1
<DEu]-'> //argv[2]=target,argv[3]=user,argv[4]=pwd,argv[5]=pid
1Z_ H%( if(KillPS(atoi(lpszArgv[5])))
H*",'`|- ServiceStopped();
5<7sVd. else
OgCNqW
d- ServicePaused();
>V>GiSni return;
nKjT&R }
DYgz;Y/%l /////////////////////////////////////////////////////////////////////////////
jRW@$ <mG void main(DWORD dwArgc,LPTSTR *lpszArgv)
G
P '- {
shVEAT'` SERVICE_TABLE_ENTRY ste[2];
uME_/S uO ste[0].lpServiceName=ServiceName;
-L
wz
T ste[0].lpServiceProc=ServiceMain;
*nV"X0& ste[1].lpServiceName=NULL;
6ywOL'OBM ste[1].lpServiceProc=NULL;
nM99AW StartServiceCtrlDispatcher(ste);
]Z[0xs return;
WkPT6d }
<J.q[fd1* /////////////////////////////////////////////////////////////////////////////
Rq|]KAN 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
GP`sOPr 下:
hXD/ /***********************************************************************
6 8Vxy Module:function.c
=L{-Hu/j Date:2001/4/28
X*hPE=2`
p Author:ey4s
gYmO4/c,
Http://www.ey4s.org +IlQZwm~ ***********************************************************************/
Nema>T] #include
VaO[SW^ ////////////////////////////////////////////////////////////////////////////
0*AXd=)"* BOOL SetPrivilege(HANDLE hToken,LPCTSTR lpszPrivilege,BOOL bEnablePrivilege)
fC$@m_-KD {
2M+*VO TOKEN_PRIVILEGES tp;
1L=)93,M LUID luid;
^szi[Cj | S'mF6Y if(!LookupPrivilegeValue(NULL,lpszPrivilege,&luid))
X-psao0tI` {
iMQ0Sq-%1 printf("\nLookupPrivilegeValue error:%d", GetLastError() );
v8C4BuwA return FALSE;
h]j>S }
&+yoPF tp.PrivilegeCount = 1;
y43ha tp.Privileges[0].Luid = luid;
(,cG+3r] if (bEnablePrivilege)
xRqA^Ad tp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
;{v2s; else
\[ 4y tp.Privileges[0].Attributes = 0;
|AS<I4+& // Enable the privilege or disable all privileges.
-]QP#_
AdjustTokenPrivileges(
e-b> hToken,
eK}GBBdO FALSE,
Q&/WVRD &tp,
`O0y8 sizeof(TOKEN_PRIVILEGES),
kr-5O0tmf (PTOKEN_PRIVILEGES) NULL,
s5)y%,E (PDWORD) NULL);
FwD
q@Oj // Call GetLastError to determine whether the function succeeded.
jWdZ]0m if (GetLastError() != ERROR_SUCCESS)
"+Sq}WR {
[.&n,.k printf("AdjustTokenPrivileges failed: %u\n", GetLastError() );
QXgfjo return FALSE;
Zx7aae_{ }
%.HLO.A return TRUE;
.bj:tmz }
6E.[F\u ////////////////////////////////////////////////////////////////////////////
Oz)/KZ BOOL KillPS(DWORD id)
,qNbo
11 {
ES8(:5 HANDLE hProcess=NULL,hProcessToken=NULL;
w(K|0|t BOOL IsKilled=FALSE,bRet=FALSE;
}c>vk __try
U]g9t<jD {
vG\
b` pWP1$;8 if(!OpenProcessToken(GetCurrentProcess(),TOKEN_ALL_ACCESS,&hProcessToken))
z#GSt
ZT {
RL fQT_V printf("\nOpen Current Process Token failed:%d",GetLastError());
^66OzT8A __leave;
NQqNBI?cr }
=&(e* u_ //printf("\nOpen Current Process Token ok!");
'`f+QP=` if(!SetPrivilege(hProcessToken,SE_DEBUG_NAME,TRUE))
cXOb= {
T=cb:PD{% __leave;
n ZS*"O#L }
FCYZ9L5uF printf("\nSetPrivilege ok!");
|:`gjl_Nf v|>'m#Ln2 if((hProcess=OpenProcess(PROCESS_ALL_ACCESS,FALSE,id))==NULL)
=Sn!'@%U] {
oX1{~lDJl printf("\nOpen Process %d failed:%d",id,GetLastError());
Wuji'sxTs __leave;
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