SANS Stormcast: Daily Cyber Security News

Are Leaked Credential Dumps Used by Attackers? https://isc.sans.edu/diary/Are%20Leaked%20Credentials%20Dumps%20Used%20by%20Attackers%3F/30098 New PaperCut RCE Vulnerability https://www.horizon3.ai/cve-2023-39143-papercut-path-traversal-file-upload-rce-vulnerability/ Microsoft mitigates Power Platform Custom Code information disclosure vulnerability https://msrc.microsoft.com/blog/2023/08/microsoft...

Are Leaked Credential Dumps Used by Attackers? https://isc.sans.edu/diary/Are%20Leaked%20Credentials%20Dumps%20Used%20by%20Attackers%3F/30098 New PaperCut RCE Vulnerability https://www.horizon3.ai/cve-2023-39143-papercut-path-traversal-file-upload-rce-vulnerability/ Microsoft mitigates Power Platform Custom Code information disclosure vulnerability https://msrc.microsoft.com/blog/2023/08/microsoft...

From small LNK to large malicious BAT file with zero VT score https://isc.sans.edu/diary/From%20small%20LNK%20to%20large%20malicious%20BAT%20file%20with%20zero%20VT%20score/30094 Social Engineering via Microsoft Teams https://www.microsoft.com/en-us/security/blog/2023/08/02/midnight-blizzard-conducts-targeted-social-engineering-over-microsoft-teams/ Automating the Search for LOLBAS https://pentera...

From small LNK to large malicious BAT file with zero VT score https://isc.sans.edu/diary/From%20small%20LNK%20to%20large%20malicious%20BAT%20file%20with%20zero%20VT%20score/30094 Social Engineering via Microsoft Teams https://www.microsoft.com/en-us/security/blog/2023/08/02/midnight-blizzard-conducts-targeted-social-engineering-over-microsoft-teams/ Automating the Search for LOLBAS https://pentera...

Zeek and Defender Endpoint https://isc.sans.edu/diary/Zeek%20and%20Defender%20Endpoint/30088 New Ivanti MobileIron Core Vulnerability https://forums.ivanti.com/s/article/CVE-2023-35082-Remote-Unauthenticated-API-Access-Vulnerability-in-MobileIron-Core-11-2-and-older?language=en_US Salesforce Phishing https://labs.guard.io/phishforce-vulnerability-uncovered-in-salesforces-email-services-exploited-f...

Zeek and Defender Endpoint https://isc.sans.edu/diary/Zeek%20and%20Defender%20Endpoint/30088 New Ivanti MobileIron Core Vulnerability https://forums.ivanti.com/s/article/CVE-2023-35082-Remote-Unauthenticated-API-Access-Vulnerability-in-MobileIron-Core-11-2-and-older?language=en_US Salesforce Phishing https://labs.guard.io/phishforce-vulnerability-uncovered-in-salesforces-email-services-exploited-f...

DNS Over HTTPS Summary https://isc.sans.edu/diary/Summary%20of%20DNS%20over%20HTTPS%20requests%20against%20our%20honeypots./30084 Malware Infects Airgapped Networks https://usa.kaspersky.com/about/press-releases/2023_kaspersky-uncovers-malware-for-targeted-data-exfiltration-from-air-gapped-environments Google Deleting Inactive Accounts https://support.google.com/accounts/answer/12418290?visit_id=6...

DNS Over HTTPS Summary https://isc.sans.edu/diary/Summary%20of%20DNS%20over%20HTTPS%20requests%20against%20our%20honeypots./30084 Malware Infects Airgapped Networks https://usa.kaspersky.com/about/press-releases/2023_kaspersky-uncovers-malware-for-targeted-data-exfiltration-from-air-gapped-environments Google Deleting Inactive Accounts https://support.google.com/accounts/answer/12418290?visit_id=6...

Ivanti End Point Manager 2nd Zero Day https://forums.ivanti.com/s/article/CVE-2023-35081-Arbitrary-File-Write?language=en_US New Redis Malware Uses Unknown Initial Access Vector https://www.cadosecurity.com/redis-p2pinfect/ https://unit42.paloaltonetworks.com/peer-to-peer-worm-p2pinfect/ Google Android 0-Day Summary https://security.googleblog.com/2023/07/the-ups-and-downs-of-0-days-year-in.html W...

Ivanti End Point Manager 2nd Zero Day https://forums.ivanti.com/s/article/CVE-2023-35081-Arbitrary-File-Write?language=en_US New Redis Malware Uses Unknown Initial Access Vector https://www.cadosecurity.com/redis-p2pinfect/ https://unit42.paloaltonetworks.com/peer-to-peer-worm-p2pinfect/ Google Android 0-Day Summary https://security.googleblog.com/2023/07/the-ups-and-downs-of-0-days-year-in.html W...

USPS Phishing Scam Targeting iOS Users https://isc.sans.edu/forums/diary/USPS+Phishing+Scam+Targeting+iOS+Users/30078/ Do Attackers Pay More Attention to IPv6 https://isc.sans.edu/diary/Do%20Attackers%20Pay%20More%20Attention%20to%20IPv6%3F/30076 Shell Code in Images https://isc.sans.edu/diary/ShellCode%20Hidden%20with%20Steganography/30074 Ivanti Mobileiron Exploit Public https://github.com/vchan...

USPS Phishing Scam Targeting iOS Users https://isc.sans.edu/forums/diary/USPS+Phishing+Scam+Targeting+iOS+Users/30078/ Do Attackers Pay More Attention to IPv6 https://isc.sans.edu/diary/Do%20Attackers%20Pay%20More%20Attention%20to%20IPv6%3F/30076 Shell Code in Images https://isc.sans.edu/diary/ShellCode%20Hidden%20with%20Steganography/30074 Ivanti Mobileiron Exploit Public https://github.com/vchan...

Ubuntu OverlayFS Vulnerability https://www.wiz.io/blog/ubuntu-overlayfs-vulnerability CISA Warns of Insecure Direct Option Reference Vulnerabilities https://www.cisa.gov/news-events/cybersecurity-advisories/aa23-208a Sophos UTM Patch https://docs.sophos.com/releasenotes/index.html?productGroupID=nsg&productID=utm&versionID=9.7 Aruba Patches https://www.arubanetworks.com/assets/alert/ARUBA-...

Ubuntu OverlayFS Vulnerability https://www.wiz.io/blog/ubuntu-overlayfs-vulnerability CISA Warns of Insecure Direct Option Reference Vulnerabilities https://www.cisa.gov/news-events/cybersecurity-advisories/aa23-208a Sophos UTM Patch https://docs.sophos.com/releasenotes/index.html?productGroupID=nsg&productID=utm&versionID=9.7 Aruba Patches https://www.arubanetworks.com/assets/alert/ARUBA-...

Suspicious IP Addresses Avoided By Malware Samples https://isc.sans.edu/diary/Suspicious%20IP%20Addresses%20Avoided%20by%20Malware%20Samples/30068 Messaging Layer Security (MLS) Protocol https://datatracker.ietf.org/doc/html/rfc9420 PySecDB: Security Commit Dataset in Python https://github.com/SunLab-GMU/PySecDB MacOS Infostealer https://www.sentinelone.com/blog/apple-crimeware-massive-rust-infost...

Suspicious IP Addresses Avoided By Malware Samples https://isc.sans.edu/diary/Suspicious%20IP%20Addresses%20Avoided%20by%20Malware%20Samples/30068 Messaging Layer Security (MLS) Protocol https://datatracker.ietf.org/doc/html/rfc9420 PySecDB: Security Commit Dataset in Python https://github.com/SunLab-GMU/PySecDB MacOS Infostealer https://www.sentinelone.com/blog/apple-crimeware-massive-rust-infost...

Ivanti Patches Endpoint Manager Mobile https://forums.ivanti.com/s/article/CVE-2023-35078-Remote-unauthenticated-API-access-vulnerability?language=en_US Atlassian Patches https://confluence.atlassian.com/security/security-bulletin-july-18-2023-1251417643.html AMD Zen-2 Vulnerability https://lock.cmpxchg8b.com/zenbleed.html VMWare CVE-2023-20891 https://socradar.io/vmwares-response-to-the-critical-...

Ivanti Patches Endpoint Manager Mobile https://forums.ivanti.com/s/article/CVE-2023-35078-Remote-unauthenticated-API-access-vulnerability?language=en_US Atlassian Patches https://confluence.atlassian.com/security/security-bulletin-july-18-2023-1251417643.html AMD Zen-2 Vulnerability https://lock.cmpxchg8b.com/zenbleed.html VMWare CVE-2023-20891 https://socradar.io/vmwares-response-to-the-critical-...

Apple Updates https://isc.sans.edu/forums/diary/Apple%20Updates%20Everything%20%28again%29/30062/ https://support.apple.com/en-us/HT201222 Parsing Data with jq https://isc.sans.edu/diary/JQ%3A%20Another%20Tool%20We%20Thought%20We%20Knew/30060 TETRA Radio Backdoor https://www.wired.com/story/tetra-radio-encryption-backdoor/

Apple Updates https://isc.sans.edu/forums/diary/Apple%20Updates%20Everything%20%28again%29/30062/ https://support.apple.com/en-us/HT201222 Parsing Data with jq https://isc.sans.edu/diary/JQ%3A%20Another%20Tool%20We%20Thought%20We%20Knew/30060 TETRA Radio Backdoor https://www.wired.com/story/tetra-radio-encryption-backdoor/

Shodan's API for the (Recon) Win! https://isc.sans.edu/diary/Shodan%27s%20API%20For%20The%20%28Recon%29%20Win!/30050 Stolen Microsoft Key May Have Opened Up a lot more than US Government E-Mail Inboxes https://www.wiz.io/blog/storm-0558-compromised-microsoft-key-enables-authentication-of-countless-micr https://www.theregister.com/2023/07/21/microsoft_key_skeleton/ Okta Logs Decoded https://www.rez...

Shodan's API for the (Recon) Win! https://isc.sans.edu/diary/Shodan%27s%20API%20For%20The%20%28Recon%29%20Win!/30050 Stolen Microsoft Key May Have Opened Up a lot more than US Government E-Mail Inboxes https://www.wiz.io/blog/storm-0558-compromised-microsoft-key-enables-authentication-of-countless-micr https://www.theregister.com/2023/07/21/microsoft_key_skeleton/ Okta Logs Decoded https://www.rez...

Deobfuscation of Malware Delivered Through a .bat File https://isc.sans.edu/diary/Deobfuscation%20of%20Malware%20Delivered%20Through%20a%20.bat%20File/30048 Citrix CVE-2023-3519 Indicators of Compromise https://www.deyda.net/index.php/en/2023/07/19/checklist-for-citrix-adc-cve-2023-3519/ ssh-agent vulnerability https://www.qualys.com/2023/07/19/cve-2023-38408/rce-openssh-forwarded-ssh-agent.txt Sp...

Deobfuscation of Malware Delivered Through a .bat File https://isc.sans.edu/diary/Deobfuscation%20of%20Malware%20Delivered%20Through%20a%20.bat%20File/30048 Citrix CVE-2023-3519 Indicators of Compromise https://www.deyda.net/index.php/en/2023/07/19/checklist-for-citrix-adc-cve-2023-3519/ ssh-agent vulnerability https://www.qualys.com/2023/07/19/cve-2023-38408/rce-openssh-forwarded-ssh-agent.txt Sp...

Citrix ADC Vulneraiblity CVE-2023-3519, CVE-2023-3466, CVE-2023-3467 https://isc.sans.edu/forums/diary/Citrix%20ADC%20Vulnerability%20CVE-2023-3519%2C%203466%20and%203467%20-%20Patch%20Now!/30044/ HAM Radio Enigma Machine Challenge https://isc.sans.edu/diary/HAM%20Radio%20%2B%20Enigma%20Machine%20Challenge/30042 Oracle Critical Patch Update https://www.oracle.com/security-alerts/cpujul2023.html Mi...