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。
),;O3:n OK!那如何杀掉远程进程呢?说起来有点复杂,但其实也不难。
6
~LCj" <1>与远程系统建立IPC连接
8P[aX3T7G <2>在远程系统的系统目录admin$\system32中写入一个文件killsrv.exe
<V_P)b8$1 <3>调用函数OpenSCManager打开远程系统的Service Control Manager[SCM]
2SHS!6:Rl <4>调用函数CreateService在远程系统创建一个服务,服务指向的程序是在<2>中写入的程序killsrv.exe
5ON\Ve_H <5>调用函数StartService启动刚才创建的服务,把想杀掉的进程的ID作为参数传递给它
e3!0<A[X <6>服务启动后,killsrv.exe运行,杀掉进程
E
whCX'Vaj <7>清场
/hksESiU 嗯!这样看来,我们需要两个程序了。Killsrv.exe的源代码如下:
ObIL w /***********************************************************************
T=D|jt Module:Killsrv.c
wOU\&u| Date:2001/4/27
fOtzbYVC Author:ey4s
JK_(!
Http://www.ey4s.org uE%$<o*# ***********************************************************************/
t~(|2nTO5 #include
2ms@CQy(00 #include
uFl19 #include "function.c"
DSX.84 #define ServiceName "PSKILL"
6l,oL'$}P1 %UnL,V9) SERVICE_STATUS_HANDLE ssh;
)ZqY`by! SERVICE_STATUS ss;
gtVnn]Jh /////////////////////////////////////////////////////////////////////////
6tKCY(#oO+ void ServiceStopped(void)
>jH%n(TcC {
h-+GS% ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
~f5g\n; ss.dwCurrentState=SERVICE_STOPPED;
'vc>uY ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
io^L[ ss.dwWin32ExitCode=NO_ERROR;
75?z" i ss.dwCheckPoint=0;
H\!p%Y ss.dwWaitHint=0;
m. EIMuj SetServiceStatus(ssh,&ss);
dw"{inMf return;
zvAUF8'_ }
SG@-b( /////////////////////////////////////////////////////////////////////////
2T >K!jS void ServicePaused(void)
~+OAAkJ9 {
G>f2E49BXt ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
tQSJ"Q ss.dwCurrentState=SERVICE_PAUSED;
>uR0Xs;V ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
=QQTHL{3 ss.dwWin32ExitCode=NO_ERROR;
%S9YjMR@ ss.dwCheckPoint=0;
9Impp5`/B ss.dwWaitHint=0;
uW4wTAk;qh SetServiceStatus(ssh,&ss);
A$Tp0v`t return;
H68~5lJY^] }
S#{gCc void ServiceRunning(void)
op5G}QZ {
]R?{9H|jwE ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
vn"+x_ ss.dwCurrentState=SERVICE_RUNNING;
>A_:qyGk ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
{>rGe#Vu ss.dwWin32ExitCode=NO_ERROR;
gR\-%<42 ss.dwCheckPoint=0;
& cV$`L ss.dwWaitHint=0;
r)xkpa5 SetServiceStatus(ssh,&ss);
l+HF+v$ return;
"J(0J }
Nt'6Y;m! /////////////////////////////////////////////////////////////////////////
05PRlz*x= void WINAPI servier_ctrl(DWORD Opcode)//服务控制程序
F(}~~EtPHo {
{@YY8SKb9 switch(Opcode)
LfsqtQ=J` {
:)=>,XwL8 case SERVICE_CONTROL_STOP://停止Service
sDXD>upO ServiceStopped();
VxA?LS` break;
)F,IPAA# case SERVICE_CONTROL_INTERROGATE:
%pG^8Q()
SetServiceStatus(ssh,&ss);
U_[<,JE break;
oo4aw1d }
%<]4]h return;
qSA]61U& }
#Ex NiFZ //////////////////////////////////////////////////////////////////////////////
Wb{0UkApJ //杀进程成功设置服务状态为SERVICE_STOPPED
w_ONy9 //失败设置服务状态为SERVICE_PAUSED
kH'zTO1 //
"&Rt&S void WINAPI ServiceMain(DWORD dwArgc,LPTSTR *lpszArgv)
>h3m/aeNC {
V]Z!x.x"=y ssh=RegisterServiceCtrlHandler(ServiceName,servier_ctrl);
=8V
9E if(!ssh)
zN3b`K. i {
,7h0y ServicePaused();
#T3dfVWv return;
,[UK32KWI }
N5d)&a
7? ServiceRunning();
\`U=pZJ Sleep(100);
Mj<T+Ohz //注意,argv[0]为此程序名,argv[1]为pskill,参数需要递增1
YG_|L[/# //argv[2]=target,argv[3]=user,argv[4]=pwd,argv[5]=pid
sOqT*gwr: if(KillPS(atoi(lpszArgv[5])))
9y+0Zj+. ServiceStopped();
W\Df:P {< else
Rl{e<>O\^ ServicePaused();
W"n0x8~sV return;
L+.&e4f'oj }
%EH{p@nM&- /////////////////////////////////////////////////////////////////////////////
.L@gq/x) void main(DWORD dwArgc,LPTSTR *lpszArgv)
|}><)} {
zI,z <- SERVICE_TABLE_ENTRY ste[2];
0PD=/fh[ ste[0].lpServiceName=ServiceName;
SceK$ ste[0].lpServiceProc=ServiceMain;
WCD)yTg:ES ste[1].lpServiceName=NULL;
XY^]nm-{I ste[1].lpServiceProc=NULL;
"IN[( StartServiceCtrlDispatcher(ste);
F}~qTF;H return;
$W]}m"l }
\,S4-~(:! /////////////////////////////////////////////////////////////////////////////
4w5);x. function.c中有两个函数,一个是提升权限的,一个是提供进程ID,杀进程的。代码如
p1N3AhXY 下:
+Ly@5y" /***********************************************************************
=}g-N)^ Module:function.c
H<9_BA? Date:2001/4/28
0[]) wl Author:ey4s
H1.ktG Http://www.ey4s.org 7epil ***********************************************************************/
fE"-W{M #include
s}F.D^^G ////////////////////////////////////////////////////////////////////////////
A <_{7F9 BOOL SetPrivilege(HANDLE hToken,LPCTSTR lpszPrivilege,BOOL bEnablePrivilege)
[Ob09#B%:5 {
Du #>y! TOKEN_PRIVILEGES tp;
{l"(EeW6) LUID luid;
#>M^BOR8 h
S)lQl:^ if(!LookupPrivilegeValue(NULL,lpszPrivilege,&luid))
B$M4f7 {
d$^@$E2f printf("\nLookupPrivilegeValue error:%d", GetLastError() );
K0~=9/ return FALSE;
21O@yNpS$ }
$R%tD.d3 tp.PrivilegeCount = 1;
d uP0US tp.Privileges[0].Luid = luid;
nC(Lr,( if (bEnablePrivilege)
g/frg(KF tp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
0t[ 1#!=k else
R"j<C13;% tp.Privileges[0].Attributes = 0;
xR8y"CpE // Enable the privilege or disable all privileges.
+%H=+fJ2} AdjustTokenPrivileges(
U1 `pY:P hToken,
eX1_=?$1P FALSE,
Q zg?#| &tp,
w
_4O; sizeof(TOKEN_PRIVILEGES),
+p[O|[z (PTOKEN_PRIVILEGES) NULL,
Zv2]X- (PDWORD) NULL);
Po&'#TC1 // Call GetLastError to determine whether the function succeeded.
:}2T of2 if (GetLastError() != ERROR_SUCCESS)
P%ThW9^vnj {
B}nT>Ub printf("AdjustTokenPrivileges failed: %u\n", GetLastError() );
Ii#+JY0k return FALSE;
-/
G#ls|? }
F"cZ$TL] return TRUE;
MV w.Fl }
`6RccEm ////////////////////////////////////////////////////////////////////////////
?gBFfi BOOL KillPS(DWORD id)
3,EtyJ3[Bh {
LcT;7yv HANDLE hProcess=NULL,hProcessToken=NULL;
X,c`,B03 BOOL IsKilled=FALSE,bRet=FALSE;
1;PI%++ __try
g6+5uvpd {
rp^:{6O @REMl~"D5 if(!OpenProcessToken(GetCurrentProcess(),TOKEN_ALL_ACCESS,&hProcessToken))
4 L
5$=V {
D^a(|L3; printf("\nOpen Current Process Token failed:%d",GetLastError());
gLY15v4? __leave;
_8ks`O#} }
!x\\# 9 //printf("\nOpen Current Process Token ok!");
kGL3*x if(!SetPrivilege(hProcessToken,SE_DEBUG_NAME,TRUE))
;.<HpDfG_ {
_2)QL __leave;
_0ZU I^# }
*K&
$9fah printf("\nSetPrivilege ok!");
)TyP{X> I-=Ieq"R9 if((hProcess=OpenProcess(PROCESS_ALL_ACCESS,FALSE,id))==NULL)
of
GoaH*h {
M`8c|*G printf("\nOpen Process %d failed:%d",id,GetLastError());
sl"H!cwF __leave;
|lk:(~DM }
~]`U)Aw //printf("\nOpen Process %d ok!",id);
TA8 if(!TerminateProcess(hProcess,1))
B&B