Detection rules › Sigma

Process Memory Dump Via Dotnet-Dump

Severity
medium
Author
Nasreddine Bencherchali (Nextron Systems)
Source
upstream

Detects the execution of "dotnet-dump" with the "collect" flag. The execution could indicate potential process dumping of critical processes such as LSASS.

MITRE ATT&CK coverage

TacticTechniques
Defense EvasionT1218 System Binary Proxy Execution

Event coverage

ProviderEvent IDTitle
Sysmon1Process creation

Stages and Predicates

Stage 1: all of selection_img

or:
Image|endswith: '\dotnet-dump.exe'
OriginalFileName: dotnet-dump.dll

Stage 2: all of selection_cli

CommandLine|contains: collect

Indicators

Each row is a field, operator, and value that the rule matches. The corpus column counts how many other rules in the catalog look for the same combination: high numbers point to widely-used, community-vetted indicators. Blank or 1 shows that the indicator is specific to this rule.

FieldKindValues
CommandLinematch
  • collect corpus 2 (sigma 2)
Imageends_with
  • \dotnet-dump.exe
OriginalFileNameeq
  • dotnet-dump.dll