Search Open Websites/Domains T1593

Tactic: Reconnaissance

Adversaries may search freely available websites and/or domains for information about victims that can be used during targeting. Information about victims may be available in various online sites, such as social media, new sites, or those hosting information about business operations such as hiring or requested/rewarded contracts.

Events covered

2 catalog events are tagged with this technique by at least one rule.

ProviderEventTitle
SysmonEvent ID 1Process creation
Sysmon-for-LinuxEvent ID 1Process Create

Authoring guide

These 4 rules share fields, values, and exclusions.

Fields filtered most (6 distinct)

These fields appear most often in rule filters.

FieldRulesHowSample values
CommandLine2contains 2 clone , cve-, eternal-blue
Image2ends_with 2/git, \git-remote-https.exe, \git.exe
Status2eq 2200
UriPath2contains 2/api/properties?page=, /api/users/activity
OriginalFileName1eq 1git.exe
Timestamp1cross_field_compare 1timestamp

Top indicator values (24 distinct)

These values appear most often in rule predicates.

FieldKindValueRules (here)Corpus reach
CommandLinecontains
clone
22
CommandLinecontains
cve-
22
CommandLinecontains
eternal-blue
22
CommandLinecontains
eternalblue
22
CommandLinecontains
exploit
22
CommandLinecontains
invoke-
26
CommandLinecontains
log4shell
22
CommandLinecontains
ms17-
22
CommandLinecontains
poc-
22
CommandLinecontains
proofofconcept
22
CommandLinecontains
proxyshell
22
CommandLinecontains
remotecodeexecution
22
CommandLinecontains
vulnerability
22
CommandLinecontains
vulns
22
CommandLinecontains
git-remote-https
1
CommandLinecontains
rce
1
Statuseq
200
22
Imageends_with
/git
1
Imageends_with
\git-remote-https.exe
1
Imageends_with
\git.exe
1
OriginalFileNameeq
git.exe
1
Timestampcross_field_compare
timestamp
1
UriPathcontains
/api/properties?page=
1
UriPathcontains
/api/users/activity
1

Rules under this technique

These vendors publish rules tagged with this technique.

Platform (all)
Domain (all)

Sigma 2 rules

Kusto 2 rules