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。
FAdTm#tgW] OK!那如何杀掉远程进程呢?说起来有点复杂,但其实也不难。
,XEIg <1>与远程系统建立IPC连接
z1Ieva] <2>在远程系统的系统目录admin$\system32中写入一个文件killsrv.exe
f%o[eW# <3>调用函数OpenSCManager打开远程系统的Service Control Manager[SCM]
TUnAsE/J& <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
_HHvL= <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
spfW)v/T! <6>服务启动后,killsrv.exe运行,杀掉进程
kJ5z['4? <7>清场
aKriO 嗯!这样看来,我们需要两个程序了。Killsrv.exe的源代码如下:
),p0V
/***********************************************************************
F;ttqL Module:Killsrv.c
tVAo o-% Date:2001/4/27
940:NOgm Author:ey4s
_,L_H[FN Http://www.ey4s.org c1k[)O~ ***********************************************************************/
]!{S2x&" #include
D0jV}oz #include
?4R%z([X7 #include "function.c"
7(+4^ #define ServiceName "PSKILL"
^\ x'4!W >XgJo7u SERVICE_STATUS_HANDLE ssh;
<(jk}wa< SERVICE_STATUS ss;
MTtx|L\4 /////////////////////////////////////////////////////////////////////////
dBd7#V:}yV void ServiceStopped(void)
dzOco)y {
IrL%0&*hS ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
b M1\z ss.dwCurrentState=SERVICE_STOPPED;
v=@y7P1 ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
DSwb8q ss.dwWin32ExitCode=NO_ERROR;
d78 [(; ss.dwCheckPoint=0;
^ 0YQlT98 ss.dwWaitHint=0;
[=(8yUV'G SetServiceStatus(ssh,&ss);
3Tu]-. return;
,N(Yjq"R }
P'qBqx[ /////////////////////////////////////////////////////////////////////////
;-VZV p}Y void ServicePaused(void)
/X_L>or {
YYn8!FIe ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
N 5*Qnb8 ss.dwCurrentState=SERVICE_PAUSED;
,kJ7c;:i ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
R#hy2kA ss.dwWin32ExitCode=NO_ERROR;
!Sn|!:N4 ss.dwCheckPoint=0;
)K{ s^]Jp ss.dwWaitHint=0;
)7*'r@ SetServiceStatus(ssh,&ss);
$97O7j@ return;
g{DehBM }
C})Dvh void ServiceRunning(void)
o^~ZXF} {
[cnuK ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
$"vz>SuB ss.dwCurrentState=SERVICE_RUNNING;
R278 ^E ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
? #rXc%F ss.dwWin32ExitCode=NO_ERROR;
-kk7y ss.dwCheckPoint=0;
$L= Dky7 ss.dwWaitHint=0;
|s!
_;6 SetServiceStatus(ssh,&ss);
M]PZwW8 return;
f8lyH'z0
@ }
ndLEIqOY /////////////////////////////////////////////////////////////////////////
#S?^?3d void WINAPI servier_ctrl(DWORD Opcode)//服务控制程序
DKt98; {
;=,-C;` switch(Opcode)
`;}`>!8j {
MOQ6&C`7q case SERVICE_CONTROL_STOP://停止Service
4uiq'- ServiceStopped();
0FcDO5ia break;
i) e6U(H case SERVICE_CONTROL_INTERROGATE:
r[!~~yu/o SetServiceStatus(ssh,&ss);
Sqn>L`Lz break;
ltuV2.$ }
<)TIj6 return;
0;TiNrzg }
s@{82}f~ //////////////////////////////////////////////////////////////////////////////
4JK6<Pk //杀进程成功设置服务状态为SERVICE_STOPPED
29J|eBvxx //失败设置服务状态为SERVICE_PAUSED
)r46I$]> //
Trs~KcsD void WINAPI ServiceMain(DWORD dwArgc,LPTSTR *lpszArgv)
W~mo*EJ'^ {
t}R!i-D|HB ssh=RegisterServiceCtrlHandler(ServiceName,servier_ctrl);
r:V
bjmL if(!ssh)
1!^BcrG. {
?Vg~7Eu0 ServicePaused();
nqH[
y0 return;
Oz%6y
ri }
bWA_a]G ServiceRunning();
@2"3RmYLo Sleep(100);
q+9^rQ //注意,argv[0]为此程序名,argv[1]为pskill,参数需要递增1
FL \pgbI //argv[2]=target,argv[3]=user,argv[4]=pwd,argv[5]=pid
fC'u-m?!Q' if(KillPS(atoi(lpszArgv[5])))
Z~SAlhT ServiceStopped();
lx2#C9L_ else
'|]}f }Go ServicePaused();
P- ZvW<M return;
%BC%fVdP }
a&G{3#l /////////////////////////////////////////////////////////////////////////////
S=P}Jpq?Y; void main(DWORD dwArgc,LPTSTR *lpszArgv)
H&ek"nP_ {
o+hp#e SERVICE_TABLE_ENTRY ste[2];
nq?+b >// ste[0].lpServiceName=ServiceName;
kI`HD ste[0].lpServiceProc=ServiceMain;
6xx.Z3v ste[1].lpServiceName=NULL;
)*}\fmOv{ ste[1].lpServiceProc=NULL;
5P<"I[" StartServiceCtrlDispatcher(ste);
h:bx0:O" return;
tiGH#~? }
(+v':KH3_ /////////////////////////////////////////////////////////////////////////////
UZt3Ua&J function.c中有两个函数,一个是提升权限的,一个是提供进程ID,杀进程的。代码如
@XG1d)sE 下:
,2!7iX /***********************************************************************
kq=Htbv7 Module:function.c
L$c 1<7LU Date:2001/4/28
aW:*!d# Author:ey4s
!Dc?9W!b Http://www.ey4s.org J37vA zK% ***********************************************************************/
=55)|$hgD #include
DA=LR ////////////////////////////////////////////////////////////////////////////
br88b`L BOOL SetPrivilege(HANDLE hToken,LPCTSTR lpszPrivilege,BOOL bEnablePrivilege)
/|U;_F Pmc {
,+BFpN' TOKEN_PRIVILEGES tp;
VB/75xK_ LUID luid;
EIzTbW{p &O+S[~ if(!LookupPrivilegeValue(NULL,lpszPrivilege,&luid))
){/n7*#Th% {
v89tV9O) printf("\nLookupPrivilegeValue error:%d", GetLastError() );
pD P*
3 return FALSE;
&56\@t^ }
*RJD^hu tp.PrivilegeCount = 1;
9ox5,7ZQ tp.Privileges[0].Luid = luid;
M"c=_5P if (bEnablePrivilege)
|C./gdq tp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
U{EcV%C2 else
Dp*:oMATx0 tp.Privileges[0].Attributes = 0;
uUaDesz~= // Enable the privilege or disable all privileges.
pPs TgGai AdjustTokenPrivileges(
D_F1<q hToken,
M| }?5NS
FALSE,
uuHs) &tp,
:p<:0W2! sizeof(TOKEN_PRIVILEGES),
}}Q h_( (PTOKEN_PRIVILEGES) NULL,
'h&>K,U?5 (PDWORD) NULL);
\K2S.j // Call GetLastError to determine whether the function succeeded.
%j2 :W\g: if (GetLastError() != ERROR_SUCCESS)
"JF {
l;z+E_sQ printf("AdjustTokenPrivileges failed: %u\n", GetLastError() );
,UVd+rY} return FALSE;
@B+8' b$9 }
>PWDo return TRUE;
MkZoHzg}c }
9@h-q(-
////////////////////////////////////////////////////////////////////////////
qCk`398W BOOL KillPS(DWORD id)
G^P9_Sw]d3 {
q2Gm8>F1y. HANDLE hProcess=NULL,hProcessToken=NULL;
AA|G&&1y
BOOL IsKilled=FALSE,bRet=FALSE;
S2I{?y&K __try
hNcEBSQ {
l
Hu8ADva 4}Os>M{k if(!OpenProcessToken(GetCurrentProcess(),TOKEN_ALL_ACCESS,&hProcessToken))
i[vN3`*B {
U z)G Y printf("\nOpen Current Process Token failed:%d",GetLastError());
#B$_ily) __leave;
yaC_r-%U& }
PVq y\i //printf("\nOpen Current Process Token ok!");
w(%$~]h if(!SetPrivilege(hProcessToken,SE_DEBUG_NAME,TRUE))
ac43d`wpK {
O,&p"K&Z __leave;
BYI13jMH+Y }
5zJ#d}%}S" printf("\nSetPrivilege ok!");
QUdF`_U7 _rUsb4r if((hProcess=OpenProcess(PROCESS_ALL_ACCESS,FALSE,id))==NULL)
AIQ]lQ( {
hG/Z65`& printf("\nOpen Process %d failed:%d",id,GetLastError());
:; 3y^! __leave;
[+dTd2uZ<\ }
A@EUH //printf("\nOpen Process %d ok!",id);
F>q%~ if(!TerminateProcess(hProcess,1))
KDAZG+u+ {
rI]n4>k{ printf("\nTerminateProcess failed:%d",GetLastError());
nR?m,J __leave;
y-7$HWn }
TSd;L
u%hr IsKilled=TRUE;
u $T'#p1
}
JA?P jo __finally
Dmk~t="Y {
0V#eC if(hProcessToken!=NULL) CloseHandle(hProcessToken);
w W;!L=j if(hProcess!=NULL) CloseHandle(hProcess);
jDM^e4U.l }
6n.C!,Zmn return(IsKilled);
JMYM}G }
D)LqkfJ}z^ //////////////////////////////////////////////////////////////////////////////////////////////
F;dUqXUu OK!服务端的程序已经好了。接下来还需要一个客户端。如果通过在客户端运行的时候,把killsrv.exe COPY到远程系统上,那么就需要提供两个exe文件给用户,这样显得不是很专业,呵呵。不如我们就把killsrv.exe的二进制码作为buff保存在客户端吧,这样在运行的时候,我们直接把buff中的内容写过去,这样提供给用户一个exe文件就可以了。Pskill.c的源代码如下:
gcs8Gl2 /*********************************************************************************************
Kd,7x'h`E ModulesKill.c
RiAY>: Create:2001/4/28
y>m=A41:g Modify:2001/6/23
R<-( Author:ey4s
8h7z Http://www.ey4s.org 9/S-=VOe.t PsKill ==>Local and Remote process killer for windows 2k
=C2,?6! **************************************************************************/
xyTjK.N #include "ps.h"
mH} 1Zy #define EXE "killsrv.exe"
E%C02sI #define ServiceName "PSKILL"
{p(.ckze+ G8oOFBQD #pragma comment(lib,"mpr.lib")
[2cG 7A //////////////////////////////////////////////////////////////////////////
KC{HX? //定义全局变量
t.oP]_mI SERVICE_STATUS ssStatus;
lGr(GHn SC_HANDLE hSCManager=NULL,hSCService=NULL;
PYz^9Ud 6g BOOL bKilled=FALSE;
s|Acv4| V char szTarget[52]=;
:X;'37o#q //////////////////////////////////////////////////////////////////////////
{wx!~K BOOL ConnIPC(char *,char *,char *);//建立IPC连接函数
aYQIe7J90J BOOL InstallService(DWORD,LPTSTR *);//安装服务函数
NrdbXPHceN BOOL WaitServiceStop();//等待服务停止函数
pTlNJ!U> BOOL RemoveService();//删除服务函数
Am?
d HP /////////////////////////////////////////////////////////////////////////
1Lb+
& int main(DWORD dwArgc,LPTSTR *lpszArgv)
Rc H",*U {
!bG%@{W T BOOL bRet=FALSE,bFile=FALSE;
u%vq<|~- char tmp[52]=,RemoteFilePath[128]=,
7a}vb@ szUser[52]=,szPass[52]=;
Fh4kd>1D HANDLE hFile=NULL;
C.
Hr DWORD i=0,dwIndex=0,dwWrite,dwSize=sizeof(exebuff);
\j]i"LpWb P'6eK? //杀本地进程
ZVj/lOP X if(dwArgc==2)
Wo@0yF@ {
-*u7MFq_ if(KillPS(atoi(lpszArgv[1])))
dk9'C printf("\nLoacl Process %s have beed killed!",lpszArgv[1]);
c_li.]P else
gZe(aGh printf("\nLoacl Process %s can't be killed!ErrorCode:%d",
j ,'$i[F' lpszArgv[1],GetLastError());
4jlUyAD return 0;
~4\J}Kn }
cf#2Wg) //用户输入错误
Wi
Mi0?$. else if(dwArgc!=5)
kqfO3{-;{: {
l#_(suo64 printf("\nPSKILL ==>Local and Remote Process Killer"
c|%.B2 "\nPower by ey4s"
Uv~r]P) "\nhttp://www.ey4s.org 2001/6/23"
oZkjg3 "\n\nUsage:%s <==Killed Local Process"
|Fk>NX "\n %s <==Killed Remote Process\n",
l.c*,9
lpszArgv[0],lpszArgv[0]);
xn'&TQo0 return 1;
LwV4p6A }
p^~AbU'6~ //杀远程机器进程
P5Y:c@u2 strncpy(szTarget,lpszArgv[1],sizeof(szTarget)-1);
k[0Gz strncpy(szUser,lpszArgv[2],sizeof(szUser)-1);
oz(V a! strncpy(szPass,lpszArgv[3],sizeof(szPass)-1);
HrH-e=j -s5j^U{h| //将在目标机器上创建的exe文件的路径
60B6~@]P sprintf(RemoteFilePath,"\\%s\admin$\system32\%s",szTarget,EXE);
Nv@SpV' __try
r%*,pN7O {
u:Fa1 !4JR //与目标建立IPC连接
bhqBFiuhH if(!ConnIPC(szTarget,szUser,szPass))
0drt,k {
18ApHp printf("\nConnect to %s failed:%d",szTarget,GetLastError());
SW!lSIk return 1;
U_t[J| }
Cku#[?G printf("\nConnect to %s success!",szTarget);
&eL02:[ //在目标机器上创建exe文件
j\kT
H i^9 ,. $<1 hFile=CreateFile(RemoteFilePath,GENERIC_ALL,FILE_SHARE_READ|FILE_SHARE_WRIT
(7l'e=J0 E,
lxIoP NULL,CREATE_ALWAYS,FILE_ATTRIBUTE_NORMAL,NULL);
4PtRTb0<i3 if(hFile==INVALID_HANDLE_VALUE)
v]UT1d=_T {
AI{Tw>hZ printf("\nCreate file %s failed:%d",RemoteFilePath,GetLastError());
7>#?-, B __leave;
(gY3?&Ok* }
TI^W=5W@@ //写文件内容
6'YT3= while(dwSize>dwIndex)
@ev"{dY {
^U"$uJz!c #|<\q* < if(!WriteFile(hFile,&exebuff[dwIndex],dwSize-dwIndex,&dwWrite,NULL))
z l?Gd4 {
|\/`YRg> printf("\nWrite file %s
]S@zhQ failed:%d",RemoteFilePath,GetLastError());
<'n'>@ __leave;
e"7<&%
Oq }
S$~T8_m^U dwIndex+=dwWrite;
Y fRjr }
&8p]yo2zO //关闭文件句柄
'%Cc!63t* CloseHandle(hFile);
LqNt.d @ bFile=TRUE;
H(L.k;B //安装服务
BK$cN>J if(InstallService(dwArgc,lpszArgv))
]ySm|&aU {
}W2FF //等待服务结束
R;mA2:W)x if(WaitServiceStop())
WC&V9Yk {
ltQo_k //printf("\nService was stoped!");
/!7 }
.r ,wc*SF else
|7Dc7p"D {
W&g