Tag: Shells
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Web Shells Gain Sophistication for Stealth, Persistence
A favorite post-exploitation tool continues to gain sophistication, with one recent example adding disguised log-in pages, credential …
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Attackers Target Log4J to Drop Ransomware, Web Shells, Backdoors
Threat actors, including at least one nation-state actor, are attempting to exploit the newly disclosed Log4j flaw to deploy ransomware, …
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The Edge Pro Tip: Brush Up on Web Shells
While neither new nor novel, Web shells are making an impact with a surge of Exchange attacks. What’s next for Web …
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FBI operation removes backdoors from hacked Exchange servers in the US
The court-approved operation eliminated “malicious web shells” from hundreds of vulnerable …
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FBI Clears ProxyLogon Web Shells from Hundreds of Orgs
The Feds have cleared malicious web shells from hundreds of vulnerable computers in the United States that had been compromised via the …
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