ATT&CK coverage › Technique

System Location Discovery: System Language Discovery T1614.001

Adversaries may attempt to gather information about the system language of a victim in order to infer the geographical location of that host. This information may be used to shape follow-on behaviors, including whether the adversary infects the target and/or attempts specific actions. This decision may be employed by malware developers and operators to reduce their risk of attracting the attention of specific law enforcement agencies or prosecution/scrutiny from other entities.

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 2 rules 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 (5 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
Image2ends_with 2\chcp.com, \reg.exe
CommandLine2ends_with 1, match 1chcp , chcp, chcp , query, Control\Nls\Language
ParentCommandLine1match 1 -r , -k , -c
ParentImage1ends_with 1\cmd.exe
OriginalFileName1eq 1reg.exe

Top indicator values (12 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
ParentImageends_with\cmd.exe113
CommandLineends_withchcp 1
ParentCommandLinematch -k 1
Imageends_with\chcp.com12
ParentCommandLinematch -c 1
CommandLineends_withchcp 1
CommandLineends_withchcp1
ParentCommandLinematch -r 1
OriginalFileNameeqreg.exe129
CommandLinematchquery16
CommandLinematchControl\Nls\Language1
Imageends_with\reg.exe146

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 2 rules