Potential Adplus.EXE Abuse

Severity: high
Author: Nasreddine Bencherchali (Nextron Systems)
Source: upstream

Detects execution of "AdPlus.exe", a binary that is part of the Windows SDK that can be used as a LOLBIN in order to dump process memory and execute arbitrary commands.

MITRE ATT&CK coverage

Tactic	Techniques
Credential Access	`T1003.001` OS Credential Dumping: LSASS Memory

Event coverage

Provider	Event ID	Title
Sysmon	1	Process creation

Stages and Predicates

Stage 1: `all of selection_img`

or:
Image|endswith: '\adplus.exe'
OriginalFileName: Adplus.exe

Stage 2: `all of selection_cli`

or:
CommandLine|contains: ' -c '
CommandLine|contains: ' -hang '
CommandLine|contains: ' -p '
CommandLine|contains: ' -pmn '
CommandLine|contains: ' -pn '
CommandLine|contains: ' -po '
CommandLine|contains: ' -sc '

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.

Field	Kind	Values
`CommandLine`	match	`-c` corpus 11 (sigma 11) `-hang` `-p` corpus 5 (sigma 5) `-pmn` `-pn` `-po` `-sc` corpus 2 (sigma 2)
`Image`	ends_with	`\adplus.exe`
`OriginalFileName`	eq	`Adplus.exe`