Commit Graph

8800 Commits

Author SHA1 Message Date
Florian Roth e73816bb22 fix: too many false positives with in-memory detection rule 2021-11-20 15:07:20 +01:00
Florian Roth 15a4938294 fix: wrong condition 2021-11-20 15:05:06 +01:00
Florian Roth c7462832fe fix: FPs with Wincred in log files 2021-11-20 15:03:11 +01:00
Florian Roth dfbaadf932 fix: FPs - extended filter 2021-11-20 13:01:24 +01:00
Florian Roth 8271b04f80 fix: FPs with ISO mount rule 2021-11-20 12:46:50 +01:00
Florian Roth f1d2903ec2 fix: FPs with rules 2021-11-20 12:32:15 +01:00
Florian Roth 6c040f0844 fix: more false positives 2021-11-20 12:00:18 +01:00
Florian Roth 5b8b622658 fix: too many false positives with WMI Modules Loaded 2021-11-20 11:54:19 +01:00
Florian Roth 1fffb57df0 fix: FPs with different rules 2021-11-20 11:33:43 +01:00
frack113 1cfca93354 Missing status in rules (#2284)
* add missing status
2021-11-19 22:32:26 +01:00
frack113 0c61c444eb Merge pull request #2278 from zakibro/master
Adding New Linux Auditd rule - Data Exfil with Wget
2021-11-19 22:30:10 +01:00
frack113 13099ea9bf Merge pull request #2279 from frack113/malware
Add sysmon_win_reg_persistence_recycle_bin.yml
2021-11-19 19:11:06 +01:00
frack113 264db60c5e Merge pull request #2276 from phantinuss/master
Rule Fix: Paths with Quotes
2021-11-19 19:05:36 +01:00
Florian Roth 19a303bcfb Merge pull request #2282 from Karneades/exefile
Update shell open key rule
2021-11-19 17:40:35 +01:00
Florian Roth 3b9c92e84f Merge pull request #2274 from SigmaHQ/rule-devel
rule: SiteCore PreAuth RCE, Winrar; fix: FPs
2021-11-19 17:28:29 +01:00
Andreas Hunkeler a1dc685ea4 Add note regarding persistence in shell open rule 2021-11-19 16:18:25 +01:00
Andreas Hunkeler 74eac016c8 Update date after shell open rule change 2021-11-19 16:17:21 +01:00
Florian Roth 4acbb15713 Merge branch 'master' into rule-devel 2021-11-19 15:52:21 +01:00
Andreas Hunkeler 79cf80fa6b Update shell open key rule
* Make rule more generic regarding exefile detection instead of only naming it "uac bypass"
* Add further references and attack tags
2021-11-19 14:03:56 +01:00
Florian Roth 3834048363 docs: extended false positive comment 2021-11-19 12:15:11 +01:00
Florian Roth 86f7c2b9f9 fix: FPs with WMI module rule 2021-11-19 12:15:01 +01:00
frack113 5e96a5c151 Merge pull request #2275 from WojciechLesicki/master
Adding two more process, additional references, information about Cob…
2021-11-19 06:46:10 +01:00
frack113 8176d9b47e Add sysmon_win_reg_persistence_recycle_bin.yml 2021-11-18 18:39:20 +01:00
Pawel Mazur 87f64e28fd Adding New Linux Auditd rule - Data Exfil with Wget 2021-11-18 18:03:17 +01:00
Florian Roth b91b43ad84 rule: Exchange CVE-2021-42321 2021-11-18 17:27:09 +01:00
Florian Roth ecc7181d6e fix: FP with Windows Update Client LOLBIN rule 2021-11-18 13:34:55 +01:00
phantinuss 84476e1dd4 fix: prevent possible FPs from non-windows native calls using paths surrounded by quotes 2021-11-18 10:06:03 +01:00
frack113 7a2ce744f1 Merge pull request #2272 from frack113/wmi_FP
sysmon_wmi_module_load.yml add WMIC.exe
2021-11-18 06:36:39 +01:00
frack113 4b13ece931 Merge pull request #2270 from phantinuss/master
enhance emotet rundll32 execution pattern for current campaign
2021-11-18 06:35:11 +01:00
frack113 a6771d684b Merge pull request #2269 from frack113/ntfs
Add correct provider_name
2021-11-18 06:32:01 +01:00
redsand (Tim Shelton) bc334ab456 Hawk backend support for wildcard in middle of string (#2273)
* updating yaml cfg for ms eventlog support

* update config and sigma backend, so that comments are not replaced, but rather the details of the record

* updating scriptblocktext to value

* adding a few missing ip address translations

* Fixing error when handling comparisons of null values, and additional fix of lack of support for not

* adding additional translations for missing category entries

* fixing error when handling list of ors with a not indicator

* finishes support for windows translations, pending qa

* adding dedupe feature and additional translation fix for dns-server

* adding image_loaded translation

* forced to pull back on the aggressive deduping, caused some inaccuracies

* adding more ux friendly formatting for regex

* adds support for wildcards in middle of strings

* adding a missing null check for supporting null matching

* adding cisco, av, and django cfg in yaml. updated apache in yaml and added another translation for ip_dport
2021-11-18 06:29:41 +01:00
frack113 9475d91afe Merge pull request #2271 from vastlimits/feature/uberagent-compat-6.2
Updated uberAgent backend to support version 6.2.
2021-11-18 06:28:00 +01:00
WojciechLesicki ba053ea19b Adding two more process, additional references, information about Cobalt Strike etc. 2021-11-17 22:37:23 +01:00
Florian Roth 7dce83033b rule: Winrar suspicious folder 2021-11-17 19:01:48 +01:00
Florian Roth c6564908ef rule: Sitecore Pre-Auth RCE CVE-2021-42237 2021-11-17 19:01:35 +01:00
Florian Roth 23220e7d78 Merge branch 'rule-devel' of https://github.com/SigmaHQ/sigma into rule-devel 2021-11-17 19:00:06 +01:00
Florian Roth a921bd5ec8 style: reordered rule layout 2021-11-17 18:59:40 +01:00
Florian Roth c71d9dba89 fix: false positive with WMI rule 2021-11-17 18:59:22 +01:00
frack113 0605a1c64e add WMIC.exe 2021-11-17 16:37:27 +01:00
Sven Scharmentke c09b1861ec Merge branch 'SigmaHQ:master' into feature/uberagent-compat-6.2 2021-11-17 16:30:05 +01:00
phantinuss 0109694e26 enhance emotet rundll32 execution pattern for current campaign 2021-11-17 15:59:05 +01:00
Florian Roth dcfc9d562e fix: more false positives 2021-11-17 10:27:02 +01:00
frack113 6a9313535c Add correct provider_name 2021-11-17 06:59:57 +01:00
Florian Roth a96a8fbf43 Merge pull request #2268 from SigmaHQ/rule-devel
Fixing FPs with memory access rules, new rule for suspicious new Tasks
2021-11-17 00:10:22 +01:00
Florian Roth 7d4e3fd2ed fix: more false positive fixes 2021-11-16 23:27:00 +01:00
Florian Roth 97bc8aa6f2 rule: suspicious write to system tasks 2021-11-16 17:30:47 +01:00
Florian Roth 8d6d8c2c92 fix: several FPs 2021-11-16 17:30:23 +01:00
Florian Roth 15c1616b6a Merge pull request #2267 from SigmaHQ/rule-devel
fix: FPs in different rules
2021-11-16 16:15:41 +01:00
Florian Roth d29c353718 refactor: unnecessary filter 2021-11-16 13:47:41 +01:00
Florian Roth daff947d4b refactor: fixes without CommandLine field in ImageLoad events 2021-11-16 13:46:15 +01:00