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ruleset.conf.sample
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ruleset.conf.sample
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#
# Peekaboo ruleset configuration file
# Copyright (C) 2016-2019 science + computing ag
#
# list of rules to run on samples
[rules]
rule.1 : known
rule.2 : file_larger_than
rule.3 : file_type_on_whitelist
rule.4 : file_type_on_greylist
#rule.5 : office_macro
#rule.6 : office_macro_with_suspicious_keyword
rule.7 : expressions
rule.8 : cuckoo_evil_sig
rule.9 : cuckoo_score
#rule.10 : requests_evil_domain
rule.11 : cuckoo_analysis_failed
#rule.12 : contains_peekabooyar
rule.12 : final_rule
# rule specific configuration options
# the section name equals the name of the rule
#[file_larger_than]
# defaults:
#bytes : 5
[file_type_on_whitelist]
whitelist.1 : text/plain
whitelist.2 : message/rfc822
whitelist.3 : inode/x-empty
whitelist.4 : application/pkcs7-signature
whitelist.5 : application/x-pkcs7-signature
whitelist.6 : application/pkcs7-mime
whitelist.7 : application/x-pkcs7-mime
whitelist.8 : text/html
[file_type_on_greylist]
greylist.1 : application/octet-stream
greylist.2 : application/vnd.ms-excel
greylist.3 : application/pdf
greylist.4 : application/javascript
greylist.5 : application/vnd.ms-excel
greylist.6 : application/vnd.ms-excel.sheet.macroEnabled.12
greylist.7 : application/vnd.ms-word.document.macroEnabled.12
greylist.8 : application/vnd.openxmlformats-officedocument.wordprocessingml.document
greylist.9 : application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
greylist.10 : application/x-7z-compressed
greylist.11 : application/x-ms-dos-executable
greylist.12 : application/x-dosexec
greylist.13 : application/x-vbscript
greylist.14 : application/zip
greylist.15 : application/x-rar
greylist.16 : application/msword
greylist.17 : text/x-msdos-batch
greylist.18 : text/x-sh
greylist.19 : text/x-python
greylist.20 : image/png
greylist.21 : image/jpeg
greylist.22 : application/zip
greylist.23 : application/x-silverlight
greylist.24 : application/x-python-code
greylist.25 : application/x-msdos-program
greylist.26 : application/vnd.openxmlformats-officedocument.wordprocessingml.document
greylist.27 : application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
greylist.28 : application/vnd.openxmlformats-officedocument.presentationml.presentation
greylist.29 : application/vnd.oasis.opendocument.text
greylist.30 : application/vnd.oasis.opendocument.spreadsheet
greylist.31 : application/vnd.oasis.opendocument.presentation
greylist.32 : application/vnd.ms-word.template.macroEnabled.12
greylist.33 : application/vnd.ms-powerpoint
greylist.34 : application/vnd.ms-excel.template.macroEnabled.12
greylist.35 : application/vnd.ms-excel
greylist.36 : application/msword
[office_macro_with_suspicious_keyword]
keyword.1 : AutoOpen
keyword.2 : AutoClose
[expressions]
expression.1 : sample.mimetypes <= {'text/plain', 'inode/x-empty'} -> ignore
expression.2 : sample.meta_info_name_declared == 'smime.p7s'
and sample.meta_info_type_declared in {
'application/pkcs7-signature',
'application/x-pkcs7-signature',
'application/pkcs7-mime',
'application/x-pkcs7-mime'
} -> ignore
expression.3 : sample.meta_info_name_declared == 'signature.asc'
and sample.meta_info_type_declared in {
'application/pgp-signature'
} -> ignore
expression.4 : sample.file_extension in {
'doc', 'docm', 'dotm', 'docx',
'ppt', 'pptm', 'pptx', 'potm', 'ppam', 'ppsm',
'xls', 'xlsm', 'xlsx' }
and olereport.has_office_macros == True
and cuckooreport.score > 4 -> bad
[cuckoo_evil_sig]
signature.1 : A potential heapspray has been detected. .*
signature.2 : A process attempted to delay the analysis task.
signature.3 : Attempts to detect Cuckoo Sandbox through the presence of a file
signature.4 : Attempts to modify desktop wallpaper
signature.5 : Checks amount of memory in system, this can be used to detect virtual machines that have a low amount of memory available
signature.6 : Checks the version of Bios, possibly for anti-virtualization
signature.7 : Collects information on the system (ipconfig, netstat, systeminfo)
signature.8 : Connects to an IRC server, possibly part of a botnet
signature.9 : Connects to Tor Hidden Services through Tor2Web
signature.10 : Creates a suspicious process
signature.11 : Creates a windows hook that monitors keyboard input (keylogger)
signature.12 : Creates executable files on the filesystem
signature.13 : Creates known Upatre files, registry keys and/or mutexes
signature.14 : Detects the presence of Wine emulator
signature.15 : Detects VirtualBox through the presence of a file
signature.16 : Detects VirtualBox through the presence of a registry key
signature.17 : Detects VirtualBox through the presence of a window
signature.18 : Detects VirtualBox using WNetGetProviderName trick
signature.19 : Detects VMWare through the in instruction feature
signature.20 : Detects VMWare through the presence of a registry key
signature.21 : Detects VMWare through the presence of various files
signature.22 : Executes javascript
signature.23 : Executes one or more WMI queries
signature.24 : File has been identified by .* AntiVirus engines on VirusTotal as malicious
signature.25 : Installs itself for autorun at Windows startup
signature.26 : Looks for known filepaths where sandboxes execute samples
signature.27 : Looks for the Windows Idle Time to determine the uptime
signature.28 : Makes SMTP requests, possibly sending spam
signature.29 : This sample modifies more than .* files through suspicious ways,
signature.30 : Network communications indicative of a potential document or script payload download was initiated by the process wscript.exe
signature.31 : One of the processes launched crashes
signature.32 : One or more of the buffers contains an embedded PE file
signature.33 : One or more potentially interesting buffers were extracted, these generally
signature.34 : Potentially malicious URL found in document
signature.35 : Queries for the computername
signature.36 : Queries the disk size.*
signature.37 : Raised Suricata alerts
signature.38 : Starts servers listening on {0}
signature.39 : Steals private information from local Internet browsers
signature.40 : Suspicious Javascript actions
signature.41 : Tries to detect analysis programs from within the browser
signature.42 : Tries to locate whether any sniffers are installed
signature.43 : Wscript.exe initiated network communications indicative of a script based payload download
signature.44 : The process powershell.exe wrote an executable file to disk
signature.45 : Creates a suspicious Powershell process
signature.46 : Appends a new file extension or content to .* files indicative of a ransomware file encryption process
#[cuckoo_score]
# defaults:
#higher_than : 4.0
[requests_evil_domain]
# define a list of bad domains here
domain.1 : canarytokens.com
#[cuckoo_analysis_failed]
# This rule checks whether analysis by Cuckoo failed. If so, it reports a
# result of "failed" for this sample and aborts rule processing. In case of
# success, result "unknown" is returned (because successful analysis in itself
# provides no indication about the sample) and rule processing is continued.
#
# The following strings are matched in the order listed against the
# debug/cuckoo log of the report, i.e. the server's messages about the
# analysis. Order of evaluation is failure -> success -> fallback: failure,
# which means:
#
# - if any failure string is contained in any log entry, the analysis is
# considered failed and evaluation is aborted
# - if any success string is contained in any log entry, the analysis is
# considered successfully finished and evaluation is aborted
# - if no string matches, the analysis is considered failed
#
# Failure strings are optional but there has to be at least one success string
# to prevent the rule from always reporting failure. If the rule is supposed to do
# nothing, it should be disabled instead of providing no or very permissive
# match strings.
# default:
#success.1: analysis completed successfully
# no failure
# possible more specific config: 'end of analysis reached!' shows that the
# analysis ran beyond the analysis timeout and into the critical timeout which
# is a clear indicator that it did not succeed (for whatever reason)
#failure.1: end of analysis reached!
# rules without configuration options:
# - known
# - contains_peekabooyar
# - office_macro
# - final_rule