Commit Graph

119 Commits

Author SHA1 Message Date
Florian Roth 70a26a6132 fix: fixed MITRE tags 2019-08-24 13:58:54 +02:00
Florian Roth c321fc2680 rule: csc.exe suspicious source folder 2019-08-24 13:53:15 +02:00
Florian Roth b32ed3c817 rules: encoded FromBase64String keyword 2019-08-24 13:53:05 +02:00
Florian Roth 87ce52f6fe fix: fixed wrong MITRE tag 2019-08-23 23:19:39 +02:00
Florian Roth 5bd242cb21 rule: encoded IEX 2019-08-23 23:13:36 +02:00
Florian Roth cc01f76e99 docs: minor changes 2019-08-22 14:22:55 +02:00
ecco d0a24f4409 filter NULL values to remove false positives 2019-08-20 05:10:41 -04:00
Florian Roth 4fcb52d098 fix: removed mmc susp rule due to many FPs 2019-08-07 14:26:15 +02:00
Florian Roth f6fd1df6f4 Rule: separate Ryuk rule created for VBurovs strings 2019-08-06 10:33:46 +02:00
Florian Roth a8b738e346 Merge pull request #380 from vburov/patch-5
Ryuk Ransomware commands from real case
2019-08-06 10:29:00 +02:00
Karneades 42e6c9149b Remove unneeded event code 2019-08-05 19:13:39 +02:00
Karneades 0e3cc042f4 Add more exclusions to mmc process rule 2019-08-05 18:53:33 +02:00
Karneades 5caa951b8f Add new rule for detecting MMC spawning a shell
Add (analog to win_mshta_spawn_shell.yml) a dedicated rule for dedecting MMC spawning a shell. See https://github.com/Neo23x0/sigma/blob/master/rules/windows/process_creation/win_mshta_spawn_shell.yml. And it should cover the (removed) cmd part from the existing rule https://github.com/Neo23x0/sigma/blob/master/rules/windows/process_creation/win_susp_mmc_source.yml.
2019-08-05 18:42:31 +02:00
Karneades cfe44ad17d Fix win_susp_mmc_source to match what title says
Remove cmd.exe filter to match what title and rule says: detect all processes created by MMC. A new dedicated rule will be created for detecting shells spawned by MMC.
2019-08-05 16:21:56 +02:00
Florian Roth 6a8adc72ac rule: reworked vssadmin rule 2019-08-04 11:27:17 +02:00
Florian Roth d32fc2b2cf fix: fixing rule win_cmstp_com_object_access
https://github.com/Neo23x0/sigma/issues/408
2019-07-31 14:16:52 +02:00
Florian Roth 0657f29c99 Rule: reworked win_susp_powershell_enc_cmd 2019-07-30 14:36:30 +02:00
Florian Roth 0b883a90b6 fix: null value in separate expression 2019-07-02 20:14:45 +02:00
Florian Roth ce43d600e3 fix: added null value / application to 4688 problem 2019-07-02 10:51:48 +02:00
Vasiliy Burov 2f123f64a7 Added command that stops services. 2019-06-28 19:46:34 +03:00
Vasiliy Burov 3813d277a6 Ryuk Ransomware commands from real case 2019-06-28 19:26:05 +03:00
Florian Roth ad386474bf fix: removed unusable extensions in proc exec context 2019-06-26 17:03:01 +02:00
Florian Roth 708f3ef002 fix: fixed duplicate element in new double extension rule 2019-06-26 16:00:58 +02:00
Florian Roth 41dc076959 Rule: suspicious double extension 2019-06-26 15:57:25 +02:00
Florian Roth 39b5eddfc7 Rule: Suspicious userinit.exe child process 2019-06-23 13:27:06 +02:00
Florian Roth 26036e0d35 fix: fixed image in taskmgr rule 2019-06-21 17:15:53 +02:00
Thomas Patzke ff7128209e Adjusted level 2019-06-20 00:03:48 +02:00
Thomas Patzke 0f8849a652 Rule fixes
* tagging
* removed spaces
* converted to generic log source
* typos/case
2019-06-20 00:01:56 +02:00
Thomas Patzke 429c29ed5a Merge pull request #363 from yugoslavskiy/win_kernel_and_3rd_party_drivers_exploits_token_stealing
rule added: Windows Kernel and 3rd-party drivers exploits. Token stea…
2019-06-19 23:43:10 +02:00
Thomas Patzke dbbc1751ef Converted rule to generic log source 2019-06-19 23:25:25 +02:00
Michael Wade f70549ec54 First Pass 2019-06-13 23:15:38 -05:00
Thomas Patzke a23f15d42b Converted rule to generic log source 2019-06-11 13:20:15 +02:00
Thomas Patzke 5715413da9 Usage of Channel field name in ELK Windows config 2019-06-11 13:15:43 +02:00
yugoslavskiy 5827165c2d event id deleted 2019-06-03 15:51:54 +02:00
yugoslavskiy cf947e3720 changed to process_creation category 2019-06-03 15:47:24 +02:00
Florian Roth a0c9f1594e Rule: renamed file - name was too generic 2019-06-02 10:57:44 +02:00
Florian Roth 491c519d1f Rule: added wmic SHADOWCOPY DELETE 2019-06-02 10:56:13 +02:00
Florian Roth 5e7ae0590c Rule: Split up WanaCry rule into two separate rules 2019-06-02 09:52:18 +02:00
Nate Guagenti 2163208e9c update correct process name
incorrect process name. accidentally had fsutil, should be bcdedit.

thanks to https://twitter.com/INIT_3 for pointing this out
2019-06-01 09:50:50 -04:00
Thomas Patzke 241d814221 Merged WannaCry rules 2019-05-24 22:17:36 +02:00
Codehardt 1ca57719b0 fix: fixed reference list, otherwise it's not valid string list 2019-05-10 10:37:12 +02:00
Codehardt 6585c83077 fix: fixed reference list, otherwise it's not valid string list 2019-05-10 10:13:35 +02:00
Thomas Patzke 25c0330dca Added filter 2019-05-10 00:20:56 +02:00
Thomas Patzke 995c03eef9 Merge branch 'patch-1' of https://github.com/Karneades/sigma into Karneades-patch-1 2019-05-10 00:15:51 +02:00
Thomas Patzke 15a4c7e477 Fixed rule 2019-05-10 00:02:20 +02:00
Thomas Patzke 666e859d14 Merge branch 'patch-3' of https://github.com/neu5ron/sigma into neu5ron-patch-3 2019-05-10 00:00:14 +02:00
Thomas Patzke f01fbd6b79 Merge branch 2019-05-09 23:51:15 +02:00
Thomas Patzke e60fe1f46d Changed rule
* Adapted false positive notice to observation
* Decreased level
2019-05-09 23:49:39 +02:00
Thomas Patzke 121e21960e Rule changes
* Replaced variables with usual path names
* Removed Temp directories due to many false positives
* Matching on Image field, CommandLines often contain these paths
2019-05-09 23:09:22 +02:00
Thomas Patzke 9b67705799 Merge branch 'patch-2' of https://github.com/vburov/sigma into vburov-patch-2 2019-05-09 22:55:07 +02:00