ATT&CK coverage › Technique

Impair Defenses: Downgrade Attack T1562.010

Adversaries may downgrade or use a version of system features that may be outdated, vulnerable, and/or does not support updated security controls. Downgrade attacks typically take advantage of a system’s backward compatibility to force it into less secure modes of operation.

Events covered

1 catalog event are tagged with this technique by at least one rule.

ProviderEvent IDTitle
Sysmon1Process creation

Authoring guide

Patterns shared across the 1 rule above: which fields they filter on, what specific values they look for, and what they exclude. Field names are normalized across vendors so Sigma's Image, Elastic's process.name, and Splunk's process_name collapse into one row. Each rule contributes at most once per row.

Fields filtered most (3 distinct)

The fields most rules look at when detecting this technique. The How column shows the operators authors use (eq, wildcard, regex_match, match) and how often each appears. Sample values are concrete examples to start from, not an exhaustive list.

FieldRulesHowSample values
Image1ends_with 1\reg.exe, \powershell.exe, \pwsh.exe
OriginalFileName1eq 1reg.exe, powershell.exe, pwsh.dll
CommandLine1match 1\Control\Lsa, RunAsPPL, add

Top indicator values (14 distinct)

Specific (field, operator, value) combinations the rules check for, ranked by how many rules under this technique use each one. The Corpus reach column counts how many rules across the entire catalog (any technique) check the same combination. High numbers point to widely-used indicators that are likely noisy on their own; combine them with another condition for useful signal. Blank means the combination is specific to rules under this technique.

FieldKindValueRules (here)Corpus reach
CommandLinematchRunAsPPL1
CommandLinematchSet-ItemProperty14
OriginalFileNameeqreg.exe129
Imageends_with\powershell.exe1143
Imageends_with\reg.exe146
CommandLinematch\Control\Lsa1
CommandLinematch add 111
CommandLinematchRunAsPPLBoot1
CommandLinematchControlSet13
CommandLinematchNew-ItemProperty14
Imageends_with\pwsh.exe1140
OriginalFileNameeqpowershell.exe18
OriginalFileNameeqpwsh.dll172
CommandLinematchIsPplAutoEnabled1

Rules under this technique

Every rule in the catalog tagged with this technique, grouped by vendor. Click a rule title for its full predicates, exclusions, and indicators.

Sigma 1 rule