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misp-galaxy/clusters/preventive-measure.json

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{
"values": [
{
"meta": {
"refs": [
"http://windows.microsoft.com/en-us/windows/back-up-restore-faq#1TC=windows-7."
],
"complexity": "Medium",
"effectiveness": "High",
"impact": "Low",
"type": [
"Recovery"
]
},
"value": "Backup and Restore Process",
"description": "Make sure to have adequate backup processes on place and frequently test a restore of these backups.\n(Schrödinger's backup - it is both existent and non-existent until you've tried a restore"
},
{
"meta": {
"refs": [
"https://support.office.com/en-us/article/Enable-or-disable-macros-in-Office-files-12b036fd-d140-4e74-b45e-16fed1a7e5c6?ui=en-US&rs=en-US&ad=US",
"https://www.404techsupport.com/2016/04/office2016-macro-group-policy/?utm_source=dlvr.it&utm_medium=twitter"
],
"complexity": "Low",
"effectiveness": "High",
"impact": "Low",
"type": [
"GPO"
]
},
"value": "Block Macros",
"description": "Disable macros in Office files downloaded from the Internet. This can be configured to work in two different modes:\nA.) Open downloaded documents in 'Protected View'\nB.) Open downloaded documents and block all macros"
},
{
"meta": {
"refs": [
"http://www.windowsnetworking.com/kbase/WindowsTips/WindowsXP/AdminTips/Customization/DisableWindowsScriptingHostWSH.html"
],
"complexity": "Low",
"effectiveness": "Medium",
"impact": "Medium",
"type": [
"GPO"
],
"possible_issues": "Administrative VBS scripts on Workstations"
},
"value": "Disable WSH",
"description": "Disable Windows Script Host"
},
{
"meta": {
"complexity": "Low",
"effectiveness": "Medium",
"impact": "Low",
"type": [
"Mail Gateway"
]
},
"value": "Filter Attachments Level 1",
"description": "Filter the following attachments on your mail gateway:\n.ade, .adp, .ani, .bas, .bat, .chm, .cmd, .com, .cpl, .crt, .exe, .hlp, .ht, .hta, .inf, .ins, .isp, .jar, .job, .js, .jse, .lnk, .mda, .mdb, .mde, .mdz, .msc, .msi, .msp, .mst, .ocx, .pcd, .ps1, .reg, .scr, .sct, .shs, .svg, .url, .vb, .vbe, .vbs, .wbk, .wsc, .ws, .wsf, .wsh, .exe, .pif, .pub"
},
{
"meta": {
"complexity": "Low",
"effectiveness": "High",
"impact": "High",
"type": [
"Mail Gateway"
],
"possible_issues": "Office Communication with old versions of Microsoft Office files (.doc, .xls) "
},
"value": "Filter Attachments Level 2",
"description": "Filter the following attachments on your mail gateway:\n(Filter expression of Level 1 plus) .doc, .xls, .rtf, .docm, .xlsm, .pptm"
},
{
"meta": {
"refs": [
"http://www.fatdex.net/php/2014/06/01/disable-exes-from-running-inside-any-user-appdata-directory-gpo/",
"http://www.thirdtier.net/ransomware-prevention-kit/"
],
"complexity": "Medium",
"effectiveness": "Medium",
"impact": "Medium",
"type": [
"GPO"
],
"possible_issues": "Web embedded software installers"
},
"value": "Restrict program execution",
"description": "Block all program executions from the %LocalAppData% and %AppData% folder"
},
{
"meta": {
"refs": [
"http://www.sevenforums.com/tutorials/10570-file-extensions-hide-show.htm"
],
"complexity": "Low",
"effectiveness": "Low",
"impact": "Low",
"type": [
"User Assistence"
]
},
"value": "Show File Extensions",
"description": "Set the registry key \"HideFileExt\" to 0 in order to show all file extensions, even of known file types. This helps avoiding cloaking tricks that use double extensions. (e.g. \"not_a_virus.pdf.exe\")"
},
{
"meta": {
"refs": [
"https://technet.microsoft.com/en-us/library/dd835564(WS.10).aspx"
],
"complexity": "Low",
"effectiveness": "Medium",
"impact": "Low",
"type": [
"GPO"
],
"possible_issues": "administrator resentment"
},
"value": "Enforce UAC Prompt",
"description": "Enforce administrative users to confirm an action that requires elevated rights"
},
{
"meta": {
"complexity": "Medium",
"effectiveness": "Medium",
"impact": "Medium",
"type": [
"Best Practice"
],
"possible_issues": "Higher administrative costs"
},
"value": "Remove Admin Privileges",
"description": "Remove and restrict administrative rights whenever possible. Malware can only modify files that users have write access to."
},
{
"meta": {
"complexity": "Medium",
"effectiveness": "Low",
"impact": "Low",
"type": [
"Best Practice"
]
},
"value": "Restrict Workstation Communication",
"description": "Activate the Windows Firewall to restrict workstation to workstation communication"
},
{
"meta": {
"complexity": "Medium",
"effectiveness": "High",
"type": [
"Advanced Malware Protection"
]
},
"value": "Sandboxing Email Input",
"description": "Using sandbox that opens email attachments and removes attachments based on behavior analysis"
},
{
"meta": {
"complexity": "Medium",
"effectiveness": "Medium",
"type": [
"3rd Party Tools"
]
},
"value": "Execution Prevention",
"description": "Software that allows to control the execution of processes - sometimes integrated in Antivirus software\nFree: AntiHook, ProcessGuard, System Safety Monitor"
},
{
"meta": {
"refs": [
"https://bluesoul.me/2016/05/12/use-gpo-to-change-the-default-behavior-of-potentially-malicious-file-extensions/"
],
"complexity": "Low",
"effectiveness": "Medium",
"impact": "Medium",
"type": [
"GPO"
],
"possible_issues": "Some extensions will have legitimate uses, e.g., .vbs for logon scripts."
},
"value": "Change Default \"Open With\" to Notepad",
"description": "Force extensions primarily used for infections to open up in Notepad rather than Windows Script Host or Internet Explorer"
},
{
"meta": {
"refs": [
"http://jpelectron.com/sample/Info%20and%20Documents/Stop%20crypto%20badware%20before%20it%20ruins%20your%20day/1-PreventCrypto-Readme.htm"
],
"complexity": "Low",
"effectiveness": "Medium",
"impact": "Low",
"type": [
"Monitoring"
]
},
"value": "File Screening",
"description": "Server-side file screening with the help of File Server Resource Manager"
},
{
"meta": {
"refs": [
"https://technet.microsoft.com/en-us/library/dd759117%28v=ws.11%29.aspx",
"http://social.technet.microsoft.com/wiki/contents/articles/5211.how-to-configure-applocker-group-policy-to-prevent-software-from-running.aspx"
],
"complexity": "Medium",
"effectiveness": "Medium",
"impact": "Medium",
"type": [
"GPO"
],
"possible_issues": "Configure & test extensively"
},
"value": "Restrict program execution #2",
"description": "Block program executions (AppLocker)"
},
{
"meta": {
"refs": [
"www.microsoft.com/emet",
"http://windowsitpro.com/security/control-emet-group-policy"
],
"complexity": "Medium",
"effectiveness": "Medium",
"impact": "Low",
"type": [
"GPO"
]
},
"value": "EMET",
"description": "Detect and block exploitation techniques"
},
{
"meta": {
"refs": [
"https://twitter.com/JohnLaTwC/status/799792296883388416"
],
"complexity": "Medium",
"effectiveness": "Low",
"impact": "Low",
"type": [
"3rd Party Tools"
]
},
"value": "Sysmon",
"description": "Detect Ransomware in an early stage with new Sysmon 5 File/Registry monitoring"
}
],
"name": "Preventive Measure",
"type": "preventive-measure",
"source": "MISP Project",
"authors": [
"Various"
],
"description": "Preventive measures based on the ransomware document overview as published in https://docs.google.com/spreadsheets/d/1TWS238xacAto-fLKh1n5uTsdijWdCEsGIM0Y0Hvmc5g/pubhtml# . The preventive measures are quite generic and can fit any standard Windows infrastructure and their security measures.",
"uuid": "1a8e55eb-a0ff-425b-80e0-30df866f8f65",
"version": 2
}
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