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。
jMm_A#V>p OK!那如何杀掉远程进程呢?说起来有点复杂,但其实也不难。
-XS+Uv <1>与远程系统建立IPC连接
KKx&UKjV <2>在远程系统的系统目录admin$\system32中写入一个文件killsrv.exe
SR&(HH$ <3>调用函数OpenSCManager打开远程系统的Service Control Manager[SCM]
#~bU}[{ <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
Zu2m%=J` <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
9IS1.3 <6>服务启动后,killsrv.exe运行,杀掉进程
@{J!6YGh <7>清场
N.fQ7z=Z(M 嗯!这样看来,我们需要两个程序了。Killsrv.exe的源代码如下:
"e1{V8
4 /***********************************************************************
OPvj{Dv$0 Module:Killsrv.c
jRv;D#Hp Date:2001/4/27
2ru*#Z#( Author:ey4s
aGq_hP Http://www.ey4s.org &^CL]&/ ***********************************************************************/
+z]:CF #include
T[Z <bW~0 #include
2]of SdM #include "function.c"
,XWay%8{E #define ServiceName "PSKILL"
G"T;l"TAt8 ,\sR;=svK SERVICE_STATUS_HANDLE ssh;
w6WGFQ_ % SERVICE_STATUS ss;
R`Ys;g/! /////////////////////////////////////////////////////////////////////////
<;$Sa's,LE void ServiceStopped(void)
,_"7|z wb {
~6@c]: ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
rE1np^z7 ss.dwCurrentState=SERVICE_STOPPED;
cM> G>Yzo ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
"K}W^J9v ss.dwWin32ExitCode=NO_ERROR;
@1pW!AdN ss.dwCheckPoint=0;
X7XCZSh#A ss.dwWaitHint=0;
zer&`Vr SetServiceStatus(ssh,&ss);
%KJ"rvi4K return;
PTuCN }
N3XVT{yo /////////////////////////////////////////////////////////////////////////
yiv RpSL void ServicePaused(void)
n}AR/3} {
wf~5lpI[ ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
:,h=2a_ 8 ss.dwCurrentState=SERVICE_PAUSED;
}AMYU>YE= ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
%8Z|/LGg ss.dwWin32ExitCode=NO_ERROR;
Pqr Ou ss.dwCheckPoint=0;
FT*yso:X/ ss.dwWaitHint=0;
6SW|H"!! SetServiceStatus(ssh,&ss);
r)9i1rI+ return;
_g^K$+F'} }
)H[h53bIq void ServiceRunning(void)
5@R15q@c6n {
HobGl0<y ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
N[+o[%A ss.dwCurrentState=SERVICE_RUNNING;
|? ;"B:0 ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
ohQz%?r ss.dwWin32ExitCode=NO_ERROR;
<eud#v ss.dwCheckPoint=0;
Y5h)l<P>B ss.dwWaitHint=0;
]HNT(w@ SetServiceStatus(ssh,&ss);
F- !}dzO return;
*7xQp!w^ }
)9A<fwpN /////////////////////////////////////////////////////////////////////////
fw(j6:p void WINAPI servier_ctrl(DWORD Opcode)//服务控制程序
^td!g1"< {
jt'Y(u]2 switch(Opcode)
S+_A
<p {
4t+/ case SERVICE_CONTROL_STOP://停止Service
O)$N}V0 ServiceStopped();
*'s2
K break;
GDo)6du case SERVICE_CONTROL_INTERROGATE:
#whO2Mv SetServiceStatus(ssh,&ss);
&dZ.+#8r break;
V\k5h }
7)8rc(58 return;
OVQxZ~uQ }
{jx#^n&5R //////////////////////////////////////////////////////////////////////////////
,{`o/F/ //杀进程成功设置服务状态为SERVICE_STOPPED
-tK;RQYax //失败设置服务状态为SERVICE_PAUSED
Gpxb_}P //
O9qKwn;q( void WINAPI ServiceMain(DWORD dwArgc,LPTSTR *lpszArgv)
, IMT '* {
EvH(Po h ssh=RegisterServiceCtrlHandler(ServiceName,servier_ctrl);
7b7%( if(!ssh)
.=b
+O~ {
.^9/ 0.g8t ServicePaused();
XDrlJvrPL return;
/_zF?5h }
Y>dg10= ServiceRunning();
3-9J"d! Sleep(100);
@
@3)D%h //注意,argv[0]为此程序名,argv[1]为pskill,参数需要递增1
8CnvvMf //argv[2]=target,argv[3]=user,argv[4]=pwd,argv[5]=pid
2t]! {L if(KillPS(atoi(lpszArgv[5])))
X*>o9J45V ServiceStopped();
\DcC1W else
<@x+N%C ServicePaused();
RBv= return;
mk[d7Yt{O }
#/XK&(X /////////////////////////////////////////////////////////////////////////////
}'w^<:RSy void main(DWORD dwArgc,LPTSTR *lpszArgv)
R+ #.bQg {
@0/@p"j SERVICE_TABLE_ENTRY ste[2];
Ow($\, ste[0].lpServiceName=ServiceName;
g1hg`qBBW ste[0].lpServiceProc=ServiceMain;
Be14$7r ste[1].lpServiceName=NULL;
L3G)?rPFC# ste[1].lpServiceProc=NULL;
gk_X u StartServiceCtrlDispatcher(ste);
&>) `P[x return;
A\PV@w%Ai }
R^u^y{ohr /////////////////////////////////////////////////////////////////////////////
sxC{\iLY% 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
H,4,~lv| 下:
n_xQSVI0F /***********************************************************************
.2(@jx,[ Module:function.c
:hl}Zn~jt Date:2001/4/28
qRP8dH Author:ey4s
fbx;-He! Http://www.ey4s.org +}G>M=t:: ***********************************************************************/
k. ?
T.9 #include
&' Nk2{ ////////////////////////////////////////////////////////////////////////////
$CQwBsYb= BOOL SetPrivilege(HANDLE hToken,LPCTSTR lpszPrivilege,BOOL bEnablePrivilege)
j9L+.UVI, {
v;F+fOo TOKEN_PRIVILEGES tp;
T h- vG LUID luid;
9^Vx*KVrU d@>k\6%j if(!LookupPrivilegeValue(NULL,lpszPrivilege,&luid))
a,0o{*(u$ {
?w5nKpG#RI printf("\nLookupPrivilegeValue error:%d", GetLastError() );
@R-~zOv return FALSE;
)H37a }
nE"b` tp.PrivilegeCount = 1;
yS.fe[ tp.Privileges[0].Luid = luid;
lA^Kh if (bEnablePrivilege)
6 peM4X tp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
woH3?zR else
|z<wPJ,;2 tp.Privileges[0].Attributes = 0;
c&I,eds // Enable the privilege or disable all privileges.
4iPua"8 AdjustTokenPrivileges(
B|q3;P hToken,
!,(bXa\^ FALSE,
GE3U0w6WbK &tp,
Y;/=3T7An sizeof(TOKEN_PRIVILEGES),
>G3J3P( (PTOKEN_PRIVILEGES) NULL,
7i|hlk; (PDWORD) NULL);
o}^vREO // Call GetLastError to determine whether the function succeeded.
_6ax{:/Q if (GetLastError() != ERROR_SUCCESS)
C5lD
Hw[CX {
zC>(!fJqq printf("AdjustTokenPrivileges failed: %u\n", GetLastError() );
S,<.!v 57 return FALSE;
CK`3 }
}yC,uEV return TRUE;
ofrlTw&o }
$d??( ////////////////////////////////////////////////////////////////////////////
)i6U$,] BOOL KillPS(DWORD id)
kq.R(z+ {
F0ivL` HANDLE hProcess=NULL,hProcessToken=NULL;
pt|$bU7 BOOL IsKilled=FALSE,bRet=FALSE;
K/.hJ __try
7rDRu] {
r`E1<aCr| 4oaP"T@6 if(!OpenProcessToken(GetCurrentProcess(),TOKEN_ALL_ACCESS,&hProcessToken))
{ZIFj.2 {
Mp@(/ printf("\nOpen Current Process Token failed:%d",GetLastError());
hjp?/i%TQ __leave;
y@8399;l }
FLnAN; //printf("\nOpen Current Process Token ok!");
wM&x8 < if(!SetPrivilege(hProcessToken,SE_DEBUG_NAME,TRUE))
-{amzyvLE {
me`$5Z` __leave;
[;LPeO }
\ g[f4xAV printf("\nSetPrivilege ok!");
KZ
>"L tIy/QN_42 if((hProcess=OpenProcess(PROCESS_ALL_ACCESS,FALSE,id))==NULL)
2mp>Mn~K^ {
E~O>m8hF printf("\nOpen Process %d failed:%d",id,GetLastError());
ORPl^n- __leave;
7u3b aM }
8Carg~T@ //printf("\nOpen Process %d ok!",id);
gl\{QcI8< if(!TerminateProcess(hProcess,1))
d=OO(sf {
om39;nk!} printf("\nTerminateProcess failed:%d",GetLastError());
N*oJ$:# __leave;
4y}a, }
Y&Vbf>Hi+ IsKilled=TRUE;
U
&k3 }
Pc
?G^
Xol __finally
o?hw2-mH {
r_<i*l. if(hProcessToken!=NULL) CloseHandle(hProcessToken);
\C\y'H5 if(hProcess!=NULL) CloseHandle(hProcess);
OuIW|gIu0 }
cz~11j# return(IsKilled);
p`.fYW:p }
2+Y`pz47W //////////////////////////////////////////////////////////////////////////////////////////////
iwTBE]J 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:
BL^Hj /*********************************************************************************************
PaI63 ! ModulesKill.c
l#f]KLv4N_ Create:2001/4/28
9d(v^T Modify:2001/6/23
<EN[s Author:ey4s
(2(;u1 Http://www.ey4s.org &$Ip$"H PsKill ==>Local and Remote process killer for windows 2k
2<. /HH*f **************************************************************************/
;}9Ws6#XQs #include "ps.h"
>;U%~yy}qc #define EXE "killsrv.exe"
q9z!g/,d/ #define ServiceName "PSKILL"
r|BKp,u9 {[y"]_B4 #pragma comment(lib,"mpr.lib")
^
J@i7FOb //////////////////////////////////////////////////////////////////////////
!Kqj&y5 //定义全局变量
-ddatc| SERVICE_STATUS ssStatus;
x=|@AFI SC_HANDLE hSCManager=NULL,hSCService=NULL;
I:)#U[tn0 BOOL bKilled=FALSE;
1`JN char szTarget[52]=;
$[;eb, //////////////////////////////////////////////////////////////////////////
\J
g#X:d BOOL ConnIPC(char *,char *,char *);//建立IPC连接函数
F88SV6 BOOL InstallService(DWORD,LPTSTR *);//安装服务函数
Pw{{+PBu R BOOL WaitServiceStop();//等待服务停止函数
>h-6B= BOOL RemoveService();//删除服务函数
.{ L m /////////////////////////////////////////////////////////////////////////
Ps 5wQaS int main(DWORD dwArgc,LPTSTR *lpszArgv)
YZu#0) {
Vk=<,<BB BOOL bRet=FALSE,bFile=FALSE;
Vx8.FNJh char tmp[52]=,RemoteFilePath[128]=,
m`0{j1K szUser[52]=,szPass[52]=;
XzFqQ-H HANDLE hFile=NULL;
c)~|#v DWORD i=0,dwIndex=0,dwWrite,dwSize=sizeof(exebuff);
X
\ZUt
> u"$HWB~@z //杀本地进程
7#*CWh1BNO if(dwArgc==2)
w|*G`~l09 {
T<,tC" if(KillPS(atoi(lpszArgv[1])))
z9c=e46O printf("\nLoacl Process %s have beed killed!",lpszArgv[1]);
\Le#+P else
zq>"a&Y, printf("\nLoacl Process %s can't be killed!ErrorCode:%d",
(MU7 lpszArgv[1],GetLastError());
?bi^h/f return 0;
D4S?bZFHo }
j0NPd^ //用户输入错误
<[??\YOc
else if(dwArgc!=5)
*Z(C')7r {
9
f/tNQ7W printf("\nPSKILL ==>Local and Remote Process Killer"
iEO2Bil] "\nPower by ey4s"
EB<tX`Wp "\nhttp://www.ey4s.org 2001/6/23"
.y/?~+N^ "\n\nUsage:%s <==Killed Local Process"
j-\u_#kx% "\n %s <==Killed Remote Process\n",
%R "nm lpszArgv[0],lpszArgv[0]);
:#KURYO< return 1;
_
L6>4 }
a m%{M7":7 //杀远程机器进程
Rzj!~`&N strncpy(szTarget,lpszArgv[1],sizeof(szTarget)-1);
{]N?DmF strncpy(szUser,lpszArgv[2],sizeof(szUser)-1);
WuXRL}!\, strncpy(szPass,lpszArgv[3],sizeof(szPass)-1);
mw.aavB @D{[Hj`< //将在目标机器上创建的exe文件的路径
*M5C*}dl sprintf(RemoteFilePath,"\\%s\admin$\system32\%s",szTarget,EXE);
uT2cHzqKB __try
@TG~fJSA12 {
)Em,3I/.l //与目标建立IPC连接
0tyU%z{RV if(!ConnIPC(szTarget,szUser,szPass))
Li$k<AM {
'v)+S;oB printf("\nConnect to %s failed:%d",szTarget,GetLastError());
ur5n{0# return 1;
6%axbB }
K?eo)|4)DB printf("\nConnect to %s success!",szTarget);
g
0=t9J //在目标机器上创建exe文件
}Ec"& GY :IORuA4 hFile=CreateFile(RemoteFilePath,GENERIC_ALL,FILE_SHARE_READ|FILE_SHARE_WRIT
Ghe=hhZ E,
ai2}vR NULL,CREATE_ALWAYS,FILE_ATTRIBUTE_NORMAL,NULL);
7nIMIkT: if(hFile==INVALID_HANDLE_VALUE)
6-}9m7# Y {
AG=1TZI" printf("\nCreate file %s failed:%d",RemoteFilePath,GetLastError());
>qZRIDE5$ __leave;
mJqP#Unik }
=~*u(0sJa //写文件内容
Y^f|}YO%y while(dwSize>dwIndex)
K|!)<6ZsG7 {
P1jkoJ c3mlO[( if(!WriteFile(hFile,&exebuff[dwIndex],dwSize-dwIndex,&dwWrite,NULL))
{$.{VE+v5 {
%%u4('= printf("\nWrite file %s
C*<LVW{P failed:%d",RemoteFilePath,GetLastError());
|a3b2x, __leave;
--D`YmB }
_"TG:RP dwIndex+=dwWrite;
QY!A[!6h }
=^}2 /vA //关闭文件句柄
u^9,u/gj CloseHandle(hFile);
\hX^Cn=6 bFile=TRUE;
evP`&23tP //安装服务
Ric$Xmu if(InstallService(dwArgc,lpszArgv))
#SOe&W5 {
h@8 //等待服务结束
IHfqW? if(WaitServiceStop())
AS
u l {
JJO"\^,;~ //printf("\nService was stoped!");
nV1,
):kh }
{QJ`.6Kt else
Su^Z{ Ud` {
3e:y?hpeL //printf("\nService can't be stoped.Try to delete it.");
i[lH@fJm_ }
O%{>Zo_<