Sigma rule: Persistence Via New SIP Provider

Rule

Title

Persistence Via New SIP Provider

Status

test

Level

medium

Author

Nasreddine Bencherchali (Nextron Systems)

Date

2022-07-21

Modified

2023-08-17

File

rules/windows/registry/registry_set/registry_set_sip_persistence.yml

Commit

ccbb0369507f796db0b0ae6854c8a2be471b9d84

Detects when an attacker register a new SIP provider for persistence and defense evasion

Log source

product

windows

category

registry_set

Detection

selection_root:
    TargetObject|contains:
        - '\SOFTWARE\Microsoft\Cryptography\Providers\'
        - '\SOFTWARE\Microsoft\Cryptography\OID\EncodingType'
        - '\SOFTWARE\WOW6432Node\Microsoft\Cryptography\Providers\'
        - '\SOFTWARE\WOW6432Node\Microsoft\Cryptography\OID\EncodingType'
selection_dll:
    TargetObject|contains:
        - '\Dll'
        - '\$DLL'
filter:
    Details:
        # Add more legitimate SIP providers according to your env
        - WINTRUST.DLL
        - mso.dll
filter_poqexec:
    Image: 'C:\Windows\System32\poqexec.exe'
    TargetObject|contains: '\CryptSIPDll'
    Details: 'C:\Windows\System32\PsfSip.dll'
condition: all of selection_* and not 1 of filter*

False positives (as the rule lists them)

• Legitimate SIP being registered by the OS or different software.

Tags

• attack.persistence
• attack.defense-impairment
• attack.t1553.003

MITRE ATT&CK ids this rule names

• T1553.003

References

• https://persistence-info.github.io/Data/codesigning.html
• https://github.com/gtworek/PSBits/tree/master/SIP
• https://specterops.io/assets/resources/SpecterOps_Subverting_Trust_in_Windows.pdf

Read on 2026-11-03T00:58:21.399Z under licence sigma-drl-1.1@d5f4c36a from https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules/windows/registry/registry_set/registry_set_sip_persistence.yml