Threadlinqs IntelligenceStart free

Threat video1:00

SlippyNunchucks DarkVigil Sogou Hijack: Detection & IOCs

SlippyNunchucks hijacks Sogou DNS to drop DarkVigil through DLL sideloading. 25 IOCs and 9 detection rules, incl. a free Splunk SPL rule.

Read the full threat intel for SlippyNunchucks DarkVigil Sogou Hijack: Detection & IOCs →

Chapters

  1. 0:00The hookSogou backdoor targeted six nations.
  2. 0:04The storySlippyNunchucks hijacks Sogou DNS configs.
  3. 0:11Attack pathAccording to researchers, DNS hijacking serves forged Sogou config.
  4. 0:27AttributionAttributed to SlippyNunchucks.
  5. 0:31Indicators of compromise16 indicators to hunt: 4 IPs, 5 domains and 1 URL, and more.
  6. 0:38MITRE ATT&CK techniques8 ATT&CK techniques, from initial access to command and control.
  7. 0:43Remediation5 steps now: Update Sogou Input Method for Windows to version 16.10.
  8. 0:50Detection rules9 detection rules, in SPL, KQL and Sigma.
Transcript

0:00Sogou backdoor targeted six nations.

0:05SlippyNunchucks hijacks Sogou DNS configs.

0:08Drops DarkVigil backdoor via sideloading.

0:12According to researchers, DNS hijacking serves forged Sogou config.

0:16Downloads the DarkVigil backdoor library.

0:19Sideloads it into Adobe binaries.

0:22Contacts C2, loads plugins, relays commands.

0:27Attributed to SlippyNunchucks. Confidence: medium.

0:3216 indicators to hunt: 4 IPs, 5 domains and 1 URL, and more.

0:398 ATT&CK techniques, from initial access to command and control.

0:445 steps now: Update Sogou Input Method for Windows to version 16.10.

0:519 detection rules, in SPL, KQL and Sigma.

0:56Threadlinqs. The unified security engineering platform.