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。
IH+|}z4N?> OK!那如何杀掉远程进程呢?说起来有点复杂,但其实也不难。
^iV)MTT <1>与远程系统建立IPC连接
Zj'9rXhrM1 <2>在远程系统的系统目录admin$\system32中写入一个文件killsrv.exe
m)v&v6 <3>调用函数OpenSCManager打开远程系统的Service Control Manager[SCM]
'm$L Ij?@ <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
)9]P MA?u <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
p4Z(^+Aa <6>服务启动后,killsrv.exe运行,杀掉进程
l.M0`Cn-% <7>清场
Ig{0Z"> 嗯!这样看来,我们需要两个程序了。Killsrv.exe的源代码如下:
f3y=Wxk[ /***********************************************************************
c-sfg>0 ^ Module:Killsrv.c
scV5P Uq Date:2001/4/27
1?l1:}^L Author:ey4s
U]rRQ
d/:; Http://www.ey4s.org do'GlU oMC ***********************************************************************/
'LDQgC*% #include
\s\?l(ooq" #include
wUJcmM; #include "function.c"
A@#E@;lm #define ServiceName "PSKILL"
G' 1'/ =Dj#gV SERVICE_STATUS_HANDLE ssh;
"\yT7?}, SERVICE_STATUS ss;
2GG2jky{/ /////////////////////////////////////////////////////////////////////////
TWX.D`W void ServiceStopped(void)
=?8@#]G+ {
I7]8Y=xf ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
ftSW
(og ss.dwCurrentState=SERVICE_STOPPED;
v`T
c}c ' ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
Zv{'MIv&v ss.dwWin32ExitCode=NO_ERROR;
n `Ac 3A ss.dwCheckPoint=0;
#KvlYZ+1 ss.dwWaitHint=0;
M<&= S SetServiceStatus(ssh,&ss);
;$Jo+# return;
{P-): }
CTmT@A{ /////////////////////////////////////////////////////////////////////////
|Y.?_lC void ServicePaused(void)
:Zlwy-[ {
.e-#yET ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
|DwZ{(R"W ss.dwCurrentState=SERVICE_PAUSED;
0> \sQ,T ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
eyxW 0}[ ss.dwWin32ExitCode=NO_ERROR;
2~[juWbz ss.dwCheckPoint=0;
[nh>vqum ss.dwWaitHint=0;
o2ECG`^b SetServiceStatus(ssh,&ss);
B33\?Yj) return;
8{ I|$*nB }
4skD(au8 void ServiceRunning(void)
yf,z$CR {
qxc[M8s ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
x?<FJ"8"k ss.dwCurrentState=SERVICE_RUNNING;
MHwIA *R ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
EdX$(scu~B ss.dwWin32ExitCode=NO_ERROR;
NHE18_v5 ss.dwCheckPoint=0;
~V6D< ss.dwWaitHint=0;
NxILRKwO SetServiceStatus(ssh,&ss);
o+VQ\1as?( return;
~.|_ RdN }
w32y3~ /////////////////////////////////////////////////////////////////////////
9-
#R)4_ void WINAPI servier_ctrl(DWORD Opcode)//服务控制程序
?q [T {
W*Y/l~x} switch(Opcode)
$:^td/p J {
Ho]su? case SERVICE_CONTROL_STOP://停止Service
zT{VE+= ServiceStopped();
!5N.B|Nt break;
)U#K case SERVICE_CONTROL_INTERROGATE:
|':{lH6+1 SetServiceStatus(ssh,&ss);
_"{Xi2@H break;
HVAYPerH }
{4PwLCy return;
9tnD=A<PS }
nr3==21Om4 //////////////////////////////////////////////////////////////////////////////
`GLx#=Q //杀进程成功设置服务状态为SERVICE_STOPPED
1.>m@Slr> //失败设置服务状态为SERVICE_PAUSED
HbIF^LeY|R //
Alq(QDs void WINAPI ServiceMain(DWORD dwArgc,LPTSTR *lpszArgv)
@}ZVtrz {
L RF103nw ssh=RegisterServiceCtrlHandler(ServiceName,servier_ctrl);
*NQ/UXE if(!ssh)
V.2_i* {
e}W)LPR! ServicePaused();
phz&zlD return;
mp3s-YfRc }
|l!aB(NW ServiceRunning();
'hf8ZEW9' Sleep(100);
yDh6KUK //注意,argv[0]为此程序名,argv[1]为pskill,参数需要递增1
D/' dTrR //argv[2]=target,argv[3]=user,argv[4]=pwd,argv[5]=pid
7-A2_!_x{ if(KillPS(atoi(lpszArgv[5])))
E(|>Ddv B& ServiceStopped();
yh=N@Z*zP else
8b=_Y; ServicePaused();
3$JoDL(Z return;
Q59W#e) }
W_ZJ0GuE( /////////////////////////////////////////////////////////////////////////////
@o.I ;}*N void main(DWORD dwArgc,LPTSTR *lpszArgv)
!_(Tqyg& {
W{aY}` SERVICE_TABLE_ENTRY ste[2];
Ir]\|t ste[0].lpServiceName=ServiceName;
zW nR6*\ ste[0].lpServiceProc=ServiceMain;
?h2}#wg ste[1].lpServiceName=NULL;
`y0FY&y= ste[1].lpServiceProc=NULL;
4GM6)"#d StartServiceCtrlDispatcher(ste);
,z?':TZ return;
e';_Y>WQy }
,u!sjx /////////////////////////////////////////////////////////////////////////////
aQ~s`^D 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
D)Dr__x 下:
wA.\i /***********************************************************************
:@&/kyGH Module:function.c
y?#
Loe Date:2001/4/28
DTs;{c Author:ey4s
+/\6=).\ Http://www.ey4s.org BerwI
7!= ***********************************************************************/
[Nq*BrzF #include
2?i7UvV ////////////////////////////////////////////////////////////////////////////
L0]_X#s># BOOL SetPrivilege(HANDLE hToken,LPCTSTR lpszPrivilege,BOOL bEnablePrivilege)
eQ}4;^;M- {
<-0]i_4sK TOKEN_PRIVILEGES tp;
azU"G(6y?+ LUID luid;
WPDyu.QD O
H7FkR if(!LookupPrivilegeValue(NULL,lpszPrivilege,&luid))
.p$(ZH =~ {
2TuU2 f. printf("\nLookupPrivilegeValue error:%d", GetLastError() );
xLn%hxm?, return FALSE;
H[|~/0?K }
d!{r v tp.PrivilegeCount = 1;
Dhv3jg;lq tp.Privileges[0].Luid = luid;
B1Oq!k if (bEnablePrivilege)
\[nut; tp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
=Runf
+} else
LHmZxi? tp.Privileges[0].Attributes = 0;
<6=c,y // Enable the privilege or disable all privileges.
C.QO#b AdjustTokenPrivileges(
~;] d"' hToken,
mcok/,/ FALSE,
"ITIhnE &tp,
lRdChoL$2 sizeof(TOKEN_PRIVILEGES),
A70d\i (PTOKEN_PRIVILEGES) NULL,
'H!XUtFs" (PDWORD) NULL);
-{_PuJ " // Call GetLastError to determine whether the function succeeded.
bjS{( if (GetLastError() != ERROR_SUCCESS)
3mni>*q7d {
Sx\]!B@DSu printf("AdjustTokenPrivileges failed: %u\n", GetLastError() );
59-c<I/}f return FALSE;
,2)6s\]/b }
lys#G:H] return TRUE;
&~w}_Fjk }
BluVmM3Vj ////////////////////////////////////////////////////////////////////////////
9{uO1O\ BOOL KillPS(DWORD id)
E!AE4B1bd {
u]gxFG"
HANDLE hProcess=NULL,hProcessToken=NULL;
u2[w# BOOL IsKilled=FALSE,bRet=FALSE;
kNL\m[W8$ __try
0?M:6zf_iv {
[8*)8jP3 Xx(T">]vJ if(!OpenProcessToken(GetCurrentProcess(),TOKEN_ALL_ACCESS,&hProcessToken))
3BLq CZ {
M@ZI\ printf("\nOpen Current Process Token failed:%d",GetLastError());
[SW_C __leave;
]s748+ }
lHIM}~#;nd //printf("\nOpen Current Process Token ok!");
v.ui!|c if(!SetPrivilege(hProcessToken,SE_DEBUG_NAME,TRUE))
b u"!jHPB {
a'z7(8$$ __leave;
&VcV$8k }
1i] ^{;] printf("\nSetPrivilege ok!");
FCn_^l)EA Tb-F]lg$ if((hProcess=OpenProcess(PROCESS_ALL_ACCESS,FALSE,id))==NULL)
.}*"Nv {
wvPk:1wD5 printf("\nOpen Process %d failed:%d",id,GetLastError());
2Hv+W-6v __leave;
>"<Wjr8W!$ }
!g.? //printf("\nOpen Process %d ok!",id);
qjc4.,/ if(!TerminateProcess(hProcess,1))
RX5dO% {
CWS4lx printf("\nTerminateProcess failed:%d",GetLastError());
2Wb]4- __leave;
rXU\ }
.GcKa024 IsKilled=TRUE;
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