Florian Roth
9684c4e55f
Merge branch 'rule-devel' of https://github.com/SigmaHQ/sigma into rule-devel
2021-08-17 12:03:54 +02:00
Florian Roth
80b3acfce9
fix: false positive with Xen / Oracle scripts
2021-08-17 12:03:49 +02:00
frack113
06840be3e7
fix author
2021-08-16 18:46:25 +02:00
frack113
dfd9e6d8f0
Merge pull request #1857 from frack113/fix_HostApplication
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Update definition for powershell-classic rule
2021-08-16 17:18:24 +02:00
frack113
eb406ba36f
Merge pull request #1844 from frack113/cleanup
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Add more compliance test
2021-08-16 17:17:25 +02:00
Florian Roth
d2790f2450
fix: missing "|all" modifier
2021-08-16 16:14:48 +02:00
frack113
e1b99db149
fix duplicate uuid
2021-08-16 15:50:14 +02:00
Florian Roth
669308a37a
Merge pull request #1855 from frack113/coti_sqlcmd
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Rule to detect Coti sqlcmd
2021-08-16 14:27:24 +02:00
Florian Roth
141ca03c9b
Merge pull request #1853 from secDre4mer/contileak
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feat: Add some rules to detect Conti behaviour
2021-08-16 14:18:43 +02:00
Florian Roth
3028eb68b6
refactoring: procdump rules
2021-08-16 13:55:00 +02:00
frack113
911579023c
fix powershell_alternate_powershell_hosts.yml
2021-08-16 13:30:45 +02:00
frack113
2dbf9af27d
add definition to powershell-classic
2021-08-16 12:56:24 +02:00
frack113
fda11e3608
fix very bad cut and paste
2021-08-16 11:22:50 +02:00
frack113
a861f55e5c
fix title
2021-08-16 11:15:32 +02:00
frack113
a70607bce7
add process_creation_coti_sqlcmd.yml
2021-08-16 11:08:19 +02:00
Florian Roth
79bc89b344
rule: av hacktool events
2021-08-16 10:57:03 +02:00
Florian Roth
f8bedfa759
docs: added link to leak file on VT
2021-08-16 10:12:35 +02:00
frack113
dc9bb22a00
fix duplicate id
2021-08-16 09:29:22 +02:00
Max Altgelt
78e2c0da92
fix: Clean up duplicated ID
2021-08-16 09:26:45 +02:00
frack113
fb80b35141
fix condition
2021-08-16 09:21:38 +02:00
frack113
5b09dff1fb
cleanup win_malware_conti_shadowcopy.yml
2021-08-16 09:21:04 +02:00
frack113
ed424c55c8
fix selection
2021-08-16 09:20:25 +02:00
frack113
26d632bf05
fix condition
2021-08-16 09:19:46 +02:00
frack113
e8723e892a
clean-up powershell_invoke_nightmare.yml
2021-08-16 09:19:10 +02:00
frack113
f69868b5aa
Merge pull request #1834 from secDre4mer/master
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Correct incorrect message / keyword usage
2021-08-16 09:16:33 +02:00
Max Altgelt
5b60e0ea5a
feat: Add some rules to detect Conti behaviour
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Add rules based on the leaks from the Conti group to detect
malicious behaviour.
2021-08-16 09:13:51 +02:00
Max Altgelt
d2a35edae9
fix: Remove powershell_alternate_hosts from PR
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Remove a rule using Host Application (which may or may not exist,
based on the log parser) from the PR. A future PR will clean up
rules using Host Application.
2021-08-16 08:42:17 +02:00
frack113
c3457c9911
fix titles
2021-08-15 19:05:00 +02:00
frack113
245cb6d510
fix more errors
2021-08-15 18:55:44 +02:00
frack113
12396f615c
remove duplicate rule and fix errors
2021-08-15 16:52:24 +02:00
frack113
a75859a976
First commit
2021-08-15 16:00:14 +02:00
frack113
db0de126a5
test author for Detection Rule License 1.1
2021-08-14 19:16:36 +02:00
frack113
e45557316e
Fix selection with only 1 element
2021-08-14 09:54:27 +02:00
Max Altgelt
ce326cb903
fix: Correct broken rules, add documentation
2021-08-13 15:46:30 +02:00
phantinuss
246ba0c17f
generalise amsi bypass rule to CobaltStrike BOF injection pattern
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generalise to CobaltStrike BOF injection pattern
2021-08-13 15:34:01 +02:00
frack113
1b480f2ee6
Merge pull request #1819 from frack113/split_1802_builtin
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Correct lists with only 1 value
2021-08-13 12:43:26 +02:00
frack113
5e42187062
remove change for Message rule
2021-08-13 11:01:33 +02:00
Max Altgelt
e1ef8f4055
fix: Rewrite another message rule
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Rewrites another message rule. This one is a bit more complex
since a bitmap is used and the string representation is not
available.
2021-08-13 10:28:34 +02:00
frack113
62e541ec7f
Merge pull request #1784 from frack113/winlogbeat-modules-enabled
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Update Mapping Winlogbeat modules enabled
2021-08-12 19:14:17 +02:00
Max Altgelt
6f05e33feb
fix: Correct incorrect message / keyword usage
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Correct a number of rules where message or keyword were incorrectly used
as field names in events (typically windows event logs). However, neither
field actually exists and as such these strings could never match.
2021-08-12 16:28:07 +02:00
Florian Roth
62c9468180
Merge pull request #1832 from SigmaHQ/rule-devel
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Whoami Refactoring
2021-08-12 14:28:28 +02:00
Florian Roth
d9d543e545
refactor: removed OriginalFileName from rule to improve compatibilty
2021-08-12 13:28:24 +02:00
Florian Roth
34d70de084
rule: whoami anomalies
2021-08-12 13:28:00 +02:00
Florian Roth
bd0a2a1b9f
rule: renamed whoami
2021-08-12 13:27:51 +02:00
Florian Roth
418a0bbf7e
Merge pull request #1827 from phantinuss/master
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2 new rules (Little Corporal Maldoc and keyword generic version of "ProxyShell MSExchange MailBox Export Pattern")
2021-08-12 11:41:50 +02:00
Florian Roth
6ed62b431e
Merge pull request #1830 from SigmaHQ/rule-devel
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SystemNightmare and Typo
2021-08-12 11:41:16 +02:00
Florian Roth
08883c8e32
refactor: removed old rule that uses Message field
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Rules that use the "Message" field are prone to localisation issues and should be avoided whenever possible.
We can build what we call "keyword" rules in these cases and simply combine string values that are searched in the raw data as 1 of them or all of them. (see specs for details)
2021-08-12 09:27:50 +02:00
phantinuss
a880663d51
fix: add missing 'all of' for 'and' conjunction of the assignment keywords
2021-08-11 17:46:10 +02:00
phantinuss
1c919c07c7
exchange mailbox export with generic keyword search (Message is not a real field)
2021-08-11 16:57:15 +02:00
Florian Roth
c8d481fd83
Merge branch 'rule-devel' of https://github.com/SigmaHQ/sigma into rule-devel
2021-08-11 10:10:32 +02:00