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。
N~_jiVD> OK!那如何杀掉远程进程呢?说起来有点复杂,但其实也不难。
HW Os@!cL <1>与远程系统建立IPC连接
pY#EXZ# <2>在远程系统的系统目录admin$\system32中写入一个文件killsrv.exe
OUO^/]
J1S <3>调用函数OpenSCManager打开远程系统的Service Control Manager[SCM]
3eP0v <4>调用函数CreateService在远程系统创建一个服务,服务指向的程序是在<2>中写入的程序killsrv.exe
wNhR(M7 <5>调用函数StartService启动刚才创建的服务,把想杀掉的进程的ID作为参数传递给它
_5 tqO5' <6>服务启动后,killsrv.exe运行,杀掉进程
_k.bGYldk <7>清场
y@\Q@
9 嗯!这样看来,我们需要两个程序了。Killsrv.exe的源代码如下:
Er1u1@ /***********************************************************************
b7sE Module:Killsrv.c
C-^%g[# Date:2001/4/27
^6y4!='ci Author:ey4s
kS#DKo Http://www.ey4s.org r tmt 3 ***********************************************************************/
)\\V
s>9 #include
Cf=q_\0|W #include
Mq lo:7
^F #include "function.c"
fB,1s}3Hn #define ServiceName "PSKILL"
q }v04Yy,o L(2P|{C SERVICE_STATUS_HANDLE ssh;
vcJb\LW SERVICE_STATUS ss;
nk|N.%E /////////////////////////////////////////////////////////////////////////
'S4EKV] void ServiceStopped(void)
>dvWa-rNUT {
t^_{5 ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
skDk/-*R ss.dwCurrentState=SERVICE_STOPPED;
hi
D7tb=g~ ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
X$|TN+Ub ss.dwWin32ExitCode=NO_ERROR;
KD"&_PX ss.dwCheckPoint=0;
f,HzrHax ss.dwWaitHint=0;
j YIV^o 0 SetServiceStatus(ssh,&ss);
Lr}b, return;
q?-3^z%u }
]pR fY9w /////////////////////////////////////////////////////////////////////////
Jt>[]g$ void ServicePaused(void)
8Z4?X% {
%][$y7 ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
&e]]F# ss.dwCurrentState=SERVICE_PAUSED;
XL7;^AE^Wl ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
teOBsFy/I ss.dwWin32ExitCode=NO_ERROR;
Jm(&G ss.dwCheckPoint=0;
{~p7*j^0 ss.dwWaitHint=0;
NB
W%.z SetServiceStatus(ssh,&ss);
Y(
$Ji12 return;
42J';\)oP }
( ztim void ServiceRunning(void)
>)n4sMq {
U%^eIXV| ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
j.; ss.dwCurrentState=SERVICE_RUNNING;
y KYP ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
u
JQaHL! ss.dwWin32ExitCode=NO_ERROR;
)zW%\s*' ss.dwCheckPoint=0;
Cl t5 ss.dwWaitHint=0;
X<Th{kM2 SetServiceStatus(ssh,&ss);
,5\2C{ return;
#6N+5Yx_[ }
.L^pMU+!^ /////////////////////////////////////////////////////////////////////////
(aJP: ^ void WINAPI servier_ctrl(DWORD Opcode)//服务控制程序
&SjHrOG? {
B.22
DuE# switch(Opcode)
9|N"@0<B {
-Wlp=#9 case SERVICE_CONTROL_STOP://停止Service
{K45~ha9!m ServiceStopped();
qY$*#*Q break;
ePq13!FC/ case SERVICE_CONTROL_INTERROGATE:
JO2ZS6k[ SetServiceStatus(ssh,&ss);
3!.H^v?
break;
&2io^AP }
AXl!cgi return;
s&dO/}3uR] }
Ew
%{ i(d //////////////////////////////////////////////////////////////////////////////
>d8x<|D //杀进程成功设置服务状态为SERVICE_STOPPED
*GbVMW[A> //失败设置服务状态为SERVICE_PAUSED
L$+d.=] //
#`jE%ONC void WINAPI ServiceMain(DWORD dwArgc,LPTSTR *lpszArgv)
?Oy'awf_ {
eg"=H50 ssh=RegisterServiceCtrlHandler(ServiceName,servier_ctrl);
1B)Y;hg6& if(!ssh)
Iv$:`7|crX {
K*R)V/B/l ServicePaused();
$!YKZ0)B'0 return;
Zm%VG(l }
|SGgy|/a# ServiceRunning();
.FIt.XPzv Sleep(100);
k}-yOP{ //注意,argv[0]为此程序名,argv[1]为pskill,参数需要递增1
q>_vE{UB //argv[2]=target,argv[3]=user,argv[4]=pwd,argv[5]=pid
vk
@%R if(KillPS(atoi(lpszArgv[5])))
UL86-R! ServiceStopped();
dB@Wn!Y else
:s'o~
ServicePaused();
^FP}
qW~;9 return;
_W)`cr }
slU /////////////////////////////////////////////////////////////////////////////
}JRP,YNh void main(DWORD dwArgc,LPTSTR *lpszArgv)
Y,k(#=wg {
j?EskT6 SERVICE_TABLE_ENTRY ste[2];
;~W8v.EW ste[0].lpServiceName=ServiceName;
s%eyW _ ste[0].lpServiceProc=ServiceMain;
FH)t:!# ste[1].lpServiceName=NULL;
q=|R89 ste[1].lpServiceProc=NULL;
T}C2e! _O StartServiceCtrlDispatcher(ste);
81~Kpx return;
nD7|8,' }
YiD-F7hf.* /////////////////////////////////////////////////////////////////////////////
(2UW_l function.c中有两个函数,一个是提升权限的,一个是提供进程ID,杀进程的。代码如
?2{bKIV_ 下:
!7}IqSs /***********************************************************************
e# t3u_ Module:function.c
_eGT2,D5r Date:2001/4/28
y8G&Wg
aCi Author:ey4s
6yY.!HRkr Http://www.ey4s.org <"W?<VjO ***********************************************************************/
{3VZ3i #include
N;uUx#z ////////////////////////////////////////////////////////////////////////////
/ /'Tck BOOL SetPrivilege(HANDLE hToken,LPCTSTR lpszPrivilege,BOOL bEnablePrivilege)
>ajuk {
0axxQ!Ivx TOKEN_PRIVILEGES tp;
}.p<wCPy6 LUID luid;
sONBQ9 2K;#Evn'j if(!LookupPrivilegeValue(NULL,lpszPrivilege,&luid))
-
ay5 {
S='
wJ@?; printf("\nLookupPrivilegeValue error:%d", GetLastError() );
*I0Tbc
O return FALSE;
(:5G#?6, }
syv$XeG=} tp.PrivilegeCount = 1;
f|U0s tp.Privileges[0].Luid = luid;
|g%mP1O if (bEnablePrivilege)
j Fma|y tp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
3 t)v%S|k else
b.b@bq$1 tp.Privileges[0].Attributes = 0;
#Z\O}< // Enable the privilege or disable all privileges.
#O~XVuvF0 AdjustTokenPrivileges(
6k"P&AD hToken,
I^D0<lHl~ FALSE,
ZsZcQj6G, &tp,
-?<4Og[^ sizeof(TOKEN_PRIVILEGES),
nBN&.+3t (PTOKEN_PRIVILEGES) NULL,
@b2`R3}9R (PDWORD) NULL);
k6!4Zz_8 // Call GetLastError to determine whether the function succeeded.
ahJ1n< if (GetLastError() != ERROR_SUCCESS)
+R6a}d/K {
3$VxRz) printf("AdjustTokenPrivileges failed: %u\n", GetLastError() );
MAqLIf<G return FALSE;
n,j$D62[ }
iEIg: return TRUE;
09S6#; N& }
w\w(U ////////////////////////////////////////////////////////////////////////////
a{SBCy BOOL KillPS(DWORD id)
u3J?bR {
|Ps% M|8~ HANDLE hProcess=NULL,hProcessToken=NULL;
Q6
?z_0 BOOL IsKilled=FALSE,bRet=FALSE;
`TtXZ[gP} __try
Zj*\"Ol {
5\Fz! 4 o(bxs" if(!OpenProcessToken(GetCurrentProcess(),TOKEN_ALL_ACCESS,&hProcessToken))
-"Q-H/qh {
"&~
0T# printf("\nOpen Current Process Token failed:%d",GetLastError());
p'n4)I2# __leave;
nmFC%p)4 }
\}_Yd8 //printf("\nOpen Current Process Token ok!");
K93p"nHN if(!SetPrivilege(hProcessToken,SE_DEBUG_NAME,TRUE))
UsQ4~e 4- {
a%BeqSZh __leave;
N]N4^A' }
cK`"lxO printf("\nSetPrivilege ok!");
|3hY6aty nZy X_J,Vd if((hProcess=OpenProcess(PROCESS_ALL_ACCESS,FALSE,id))==NULL)
rw7_5l {
b;GD/UI printf("\nOpen Process %d failed:%d",id,GetLastError());
LN2D __leave;
?7MqeR4/E }
BZv+H=b //printf("\nOpen Process %d ok!",id);
? 1*m,;Z if(!TerminateProcess(hProcess,1))
wsU V;S*X% {
B>y9fI printf("\nTerminateProcess failed:%d",GetLastError());
$ (=~r`O+1 __leave;
o4b~4h{% }
s;flzp8 IsKilled=TRUE;
CjIu[S1% }
fV:4#j __finally
%wptZ"2M {
clw%B if(hProcessToken!=NULL) CloseHandle(hProcessToken);
A'&n5)tb if(hProcess!=NULL) CloseHandle(hProcess);
,m<H-gwa }
3]&o*Ib1`_ return(IsKilled);
%ir:ASk }
JwnQ0
e //////////////////////////////////////////////////////////////////////////////////////////////
U$dh1; OK!服务端的程序已经好了。接下来还需要一个客户端。如果通过在客户端运行的时候,把killsrv.exe COPY到远程系统上,那么就需要提供两个exe文件给用户,这样显得不是很专业,呵呵。不如我们就把killsrv.exe的二进制码作为buff保存在客户端吧,这样在运行的时候,我们直接把buff中的内容写过去,这样提供给用户一个exe文件就可以了。Pskill.c的源代码如下:
{%2v Gn /*********************************************************************************************
fFvF\ ModulesKill.c
^YdcAHjK Create:2001/4/28
YW@#91. Modify:2001/6/23
{O<l[|Ip Author:ey4s
P +"Y Http://www.ey4s.org :u8(^]N PsKill ==>Local and Remote process killer for windows 2k
D]a <4a18 **************************************************************************/
9+s.w25R #include "ps.h"
I\~G|B #define EXE "killsrv.exe"
0$+fkDf #define ServiceName "PSKILL"
obrl#(\P :j')E`#
#pragma comment(lib,"mpr.lib")
65h @}9,U //////////////////////////////////////////////////////////////////////////
@~c6qh //定义全局变量
p
Dx-2:} SERVICE_STATUS ssStatus;
vx_o(wof SC_HANDLE hSCManager=NULL,hSCService=NULL;
Uy
? BOOL bKilled=FALSE;
:c9U>1`g& char szTarget[52]=;
N,2s?Y_! //////////////////////////////////////////////////////////////////////////
9Y>8=#.c BOOL ConnIPC(char *,char *,char *);//建立IPC连接函数
^<e@uNGg BOOL InstallService(DWORD,LPTSTR *);//安装服务函数
i
wxVl)QL BOOL WaitServiceStop();//等待服务停止函数
:ISMPe3' BOOL RemoveService();//删除服务函数
ZCKka0* /////////////////////////////////////////////////////////////////////////
<<=WY_m} int main(DWORD dwArgc,LPTSTR *lpszArgv)
8:BIbmtt5 {
{u1V|q BOOL bRet=FALSE,bFile=FALSE;
LK6; ?m char tmp[52]=,RemoteFilePath[128]=,
O=SkAsim szUser[52]=,szPass[52]=;
'>$]{vQ3 HANDLE hFile=NULL;
~%?`P/.o DWORD i=0,dwIndex=0,dwWrite,dwSize=sizeof(exebuff);
Y6,Rj:8 "&+"@< //杀本地进程
yaq'Lt` if(dwArgc==2)
V $z}
K {
it] E-^2> if(KillPS(atoi(lpszArgv[1])))
:qChMU|Y6 printf("\nLoacl Process %s have beed killed!",lpszArgv[1]);
8-y{a.,u. else
Og=*R6i printf("\nLoacl Process %s can't be killed!ErrorCode:%d",
L?5Ck<!xG lpszArgv[1],GetLastError());
n,B,"\fw return 0;
*@d&5 }
|t; ~:A //用户输入错误
L\y;LSTU else if(dwArgc!=5)
o9cM{ya/> {
gTA%uRBa printf("\nPSKILL ==>Local and Remote Process Killer"
%Y!Yvw^&P( "\nPower by ey4s"
u,}{I}x_ "\nhttp://www.ey4s.org 2001/6/23"
8]&i-VFof "\n\nUsage:%s <==Killed Local Process"
\P1S|ufv "\n %s <==Killed Remote Process\n",
~z" =G5| lpszArgv[0],lpszArgv[0]);
7 ^w >Rj return 1;
}Tf9S<xpq3 }
^bEc6`eE //杀远程机器进程
S"Zp D.XX strncpy(szTarget,lpszArgv[1],sizeof(szTarget)-1);
Bz5-ITX
strncpy(szUser,lpszArgv[2],sizeof(szUser)-1);
>yY'7Ey strncpy(szPass,lpszArgv[3],sizeof(szPass)-1);
:1Q!$ m detwa}h[0 //将在目标机器上创建的exe文件的路径
TDd{.8qf sprintf(RemoteFilePath,"\\%s\admin$\system32\%s",szTarget,EXE);
_/wV;h~R __try
4lBU#V7 {
%/9
EORdeH //与目标建立IPC连接
n u'M
39{ if(!ConnIPC(szTarget,szUser,szPass))
^h{)Gf,+\ {
61xs%kxb.. printf("\nConnect to %s failed:%d",szTarget,GetLastError());
hAHq\ return 1;
}1>[ }
>Wz;ySEz printf("\nConnect to %s success!",szTarget);
P;k0W>~k //在目标机器上创建exe文件
/="~gq@ JA)] _H
P hFile=CreateFile(RemoteFilePath,GENERIC_ALL,FILE_SHARE_READ|FILE_SHARE_WRIT
44-R! E,
bT&: fHc NULL,CREATE_ALWAYS,FILE_ATTRIBUTE_NORMAL,NULL);
o tk}y8 if(hFile==INVALID_HANDLE_VALUE)
hGiz)v~ {
%'[&U# - printf("\nCreate file %s failed:%d",RemoteFilePath,GetLastError());
/~^rr
f __leave;
{#)0EzV6 }
1&e} ms //写文件内容
tO0!5#-VR while(dwSize>dwIndex)
f]`vRvbe {
gB<3-J1R 4._(| if(!WriteFile(hFile,&exebuff[dwIndex],dwSize-dwIndex,&dwWrite,NULL))
>Jp:O
7 {
%Q.&ZhB printf("\nWrite file %s
+Z85HY{ failed:%d",RemoteFilePath,GetLastError());
'3?\K3S4i __leave;
48Mpf=f` }
hcyM6:} dwIndex+=dwWrite;
B9wPU1 }
Kw#i),M //关闭文件句柄
e6!LS x}y CloseHandle(hFile);
zD<or&6 bFile=TRUE;
e#E2>Bj; //安装服务
f"St&q>[s if(InstallService(dwArgc,lpszArgv))
O9r>E3-q {
HQB(* //等待服务结束
2z|*xS'G if(WaitServiceStop())
z(H^..<!5 {
Ybn`3 //printf("\nService was stoped!");
I}t#%/'YA }
=MvjLh"s else
P><o,s"v {
Jej` ;I //printf("\nService can't be stoped.Try to delete it.");
1Uqu>' }
4fKC 6UR Sleep(500);
$_x^lr //删除服务
S*n@81Z RemoveService();
;v$4$D]L }
Yboiwy,n }
|<GDUwC_; __finally
PnoPbk[< {
[h,Q Bz //删除留下的文件
$5*WLG&AK if(bFile) DeleteFile(RemoteFilePath);
&0`)
Q //如果文件句柄没有关闭,关闭之~
Iyyh!MVF if(hFile!=NULL) CloseHandle(hFile);
Uy$)%dYfq5 //Close Service handle
z-b*D}& if(hSCService!=NULL) CloseServiceHandle(hSCService);
pbU!dOU~e //Close the Service Control Manager handle
AU$Uxwz4 if(hSCManager!=NULL) CloseServiceHandle(hSCManager);
'60 L~`K //断开ipc连接
;W^o@*i{> wsprintf(tmp,"\\%s\ipc$",szTarget);
QPfc(Z WNetCancelConnection2(tmp,CONNECT_UPDATE_PROFILE,TRUE);
t8dm)s[r8 if(bKilled)
/;utcc printf("\nProcess %s on %s have been
67VT\f killed!\n",lpszArgv[4],lpszArgv[1]);
X3V'Cy/sy else
E8~}PQW:I printf("\nProcess %s on %s can't be
dx+hhg \L killed!\n",lpszArgv[4],lpszArgv[1]);
<NuUW9+ }
\xS&v7b return 0;
r}jGUe}d }
Yx>"bv //////////////////////////////////////////////////////////////////////////
R@`y>X GNJ BOOL ConnIPC(char *RemoteName,char *User,char *Pass)
/\WQxe {
!OuWPH.
: NETRESOURCE nr;
&w1P\4?G char RN[50]="\\";
H
`(exa:w ]._LLSzWhg strcat(RN,RemoteName);
iX4Iu3 strcat(RN,"\ipc$");
&